// Copyright 2021 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "src/tint/resolver/resolver.h"

#include <cmath>

#include "gtest/gtest.h"
#include "src/tint/resolver/resolver_test_helper.h"
#include "src/tint/sem/expression.h"
#include "src/tint/sem/index_accessor_expression.h"
#include "src/tint/sem/member_accessor_expression.h"
#include "src/tint/sem/test_helper.h"

using namespace tint::number_suffixes;  // NOLINT

namespace tint::resolver {
namespace {

using ResolverConstantsTest = ResolverTest;

////////////////////////////////////////////////////////////////////////////////////////////////////
// Construction
////////////////////////////////////////////////////////////////////////////////////////////////////

TEST_F(ResolverConstantsTest, Scalar_i32) {
    auto* expr = Expr(99_i);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    EXPECT_TRUE(sem->Type()->Is<sem::I32>());
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());
    EXPECT_EQ(sem->ConstantValue()->As<AInt>(), 99);
}

TEST_F(ResolverConstantsTest, Scalar_u32) {
    auto* expr = Expr(99_u);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    EXPECT_TRUE(sem->Type()->Is<sem::U32>());
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());
    EXPECT_EQ(sem->ConstantValue()->As<AInt>(), 99u);
}

TEST_F(ResolverConstantsTest, Scalar_f32) {
    auto* expr = Expr(9.9_f);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    EXPECT_TRUE(sem->Type()->Is<sem::F32>());
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());
    EXPECT_EQ(sem->ConstantValue()->As<AFloat>().value, 9.9f);
}

TEST_F(ResolverConstantsTest, Scalar_f16) {
    Enable(ast::Extension::kF16);

    auto* expr = Expr(9.9_h);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    EXPECT_NE(sem, nullptr);
    EXPECT_TRUE(sem->Type()->Is<sem::F16>());
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());
    // 9.9 is not exactly representable by f16, and should be quantized to 9.8984375
    EXPECT_EQ(sem->ConstantValue()->As<AFloat>(), 9.8984375f);
}

TEST_F(ResolverConstantsTest, Scalar_bool) {
    auto* expr = Expr(true);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    EXPECT_TRUE(sem->Type()->Is<sem::Bool>());
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());
    EXPECT_EQ(sem->ConstantValue()->As<bool>(), true);
}

TEST_F(ResolverConstantsTest, Vec3_ZeroInit_i32) {
    auto* expr = vec3<i32>();
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::I32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AInt>(), 0);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AInt>(), 0);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AInt>(), 0);
}

TEST_F(ResolverConstantsTest, Vec3_ZeroInit_u32) {
    auto* expr = vec3<u32>();
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::U32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AInt>(), 0u);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AInt>(), 0u);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AInt>(), 0u);
}

TEST_F(ResolverConstantsTest, Vec3_ZeroInit_f32) {
    auto* expr = vec3<f32>();
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AFloat>(), 0._a);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AFloat>(), 0._a);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AFloat>(), 0._a);
}

TEST_F(ResolverConstantsTest, Vec3_ZeroInit_f16) {
    Enable(ast::Extension::kF16);

    auto* expr = vec3<f16>();
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    EXPECT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F16>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AFloat>(), 0._a);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AFloat>(), 0._a);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AFloat>(), 0._a);
}

TEST_F(ResolverConstantsTest, Vec3_ZeroInit_bool) {
    auto* expr = vec3<bool>();
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::Bool>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<bool>(), false);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<bool>(), false);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<bool>(), false);
}

TEST_F(ResolverConstantsTest, Vec3_Splat_i32) {
    auto* expr = vec3<i32>(99_i);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::I32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AInt>(), 99);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AInt>(), 99);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AInt>(), 99);
}

TEST_F(ResolverConstantsTest, Vec3_Splat_u32) {
    auto* expr = vec3<u32>(99_u);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::U32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AInt>(), 99u);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AInt>(), 99u);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AInt>(), 99u);
}

TEST_F(ResolverConstantsTest, Vec3_Splat_f32) {
    auto* expr = vec3<f32>(9.9_f);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AFloat>(), 9.9f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AFloat>(), 9.9f);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AFloat>(), 9.9f);
}

TEST_F(ResolverConstantsTest, Vec3_Splat_f16) {
    Enable(ast::Extension::kF16);

    auto* expr = vec3<f16>(9.9_h);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    EXPECT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F16>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());
    // 9.9 is not exactly representable by f16, and should be quantized to 9.8984375

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AFloat>(), 9.8984375f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AFloat>(), 9.8984375f);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AFloat>(), 9.8984375f);
}

TEST_F(ResolverConstantsTest, Vec3_Splat_bool) {
    auto* expr = vec3<bool>(true);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::Bool>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<bool>(), true);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<bool>(), true);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<bool>(), true);
}

TEST_F(ResolverConstantsTest, Vec3_FullConstruct_i32) {
    auto* expr = vec3<i32>(1_i, 2_i, 3_i);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::I32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AInt>(), 1);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AInt>(), 2);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AInt>(), 3);
}

TEST_F(ResolverConstantsTest, Vec3_FullConstruct_u32) {
    auto* expr = vec3<u32>(1_u, 2_u, 3_u);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::U32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AInt>(), 1);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AInt>(), 2);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AInt>(), 3);
}

TEST_F(ResolverConstantsTest, Vec3_FullConstruct_f32) {
    auto* expr = vec3<f32>(1_f, 2_f, 3_f);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AFloat>(), 1.f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AFloat>(), 2.f);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AFloat>(), 3.f);
}

TEST_F(ResolverConstantsTest, Vec3_FullConstruct_f16) {
    Enable(ast::Extension::kF16);

    auto* expr = vec3<f16>(1_h, 2_h, 3_h);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    EXPECT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F16>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AFloat>(), 1.f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AFloat>(), 2.f);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AFloat>(), 3.f);
}

TEST_F(ResolverConstantsTest, Vec3_FullConstruct_bool) {
    auto* expr = vec3<bool>(true, false, true);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::Bool>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<bool>(), true);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<bool>(), false);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<bool>(), true);
}

TEST_F(ResolverConstantsTest, Vec3_MixConstruct_i32) {
    auto* expr = vec3<i32>(1_i, vec2<i32>(2_i, 3_i));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::I32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AInt>(), 1);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AInt>(), 2);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AInt>(), 3);
}

TEST_F(ResolverConstantsTest, Vec3_MixConstruct_u32) {
    auto* expr = vec3<u32>(vec2<u32>(1_u, 2_u), 3_u);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::U32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AInt>(), 1);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AInt>(), 2);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AInt>(), 3);
}

TEST_F(ResolverConstantsTest, Vec3_MixConstruct_f32) {
    auto* expr = vec3<f32>(1_f, vec2<f32>(2_f, 3_f));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AFloat>(), 1.f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AFloat>(), 2.f);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AFloat>(), 3.f);
}

TEST_F(ResolverConstantsTest, Vec3_MixConstruct_f32_all_10) {
    auto* expr = vec3<f32>(10_f, vec2<f32>(10_f, 10_f));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    EXPECT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<f32>(), 10_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<f32>(), 10_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<f32>(), 10_f);
}

TEST_F(ResolverConstantsTest, Vec3_MixConstruct_f32_all_positive_0) {
    auto* expr = vec3<f32>(0_f, vec2<f32>(0_f, 0_f));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    EXPECT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<f32>(), 0_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<f32>(), 0_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<f32>(), 0_f);
}

TEST_F(ResolverConstantsTest, Vec3_MixConstruct_f32_all_negative_0) {
    auto* expr = vec3<f32>(vec2<f32>(-0_f, -0_f), -0_f);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    EXPECT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<f32>(), -0_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<f32>(), -0_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<f32>(), -0_f);
}

TEST_F(ResolverConstantsTest, Vec3_MixConstruct_f32_mixed_sign_0) {
    auto* expr = vec3<f32>(0_f, vec2<f32>(-0_f, 0_f));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    EXPECT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<f32>(), 0_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<f32>(), -0_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<f32>(), 0_f);
}

TEST_F(ResolverConstantsTest, Vec3_MixConstruct_f16) {
    Enable(ast::Extension::kF16);

    auto* expr = vec3<f16>(1_h, vec2<f16>(2_h, 3_h));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    EXPECT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F16>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AFloat>(), 1.f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AFloat>(), 2.f);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AFloat>(), 3.f);
}

TEST_F(ResolverConstantsTest, Vec3_MixConstruct_f16_all_10) {
    Enable(ast::Extension::kF16);

    auto* expr = vec3<f16>(10_h, vec2<f16>(10_h, 10_h));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    EXPECT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F16>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<f16>(), 10_h);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<f16>(), 10_h);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<f16>(), 10_h);
}

TEST_F(ResolverConstantsTest, Vec3_MixConstruct_f16_all_positive_0) {
    Enable(ast::Extension::kF16);

    auto* expr = vec3<f16>(0_h, vec2<f16>(0_h, 0_h));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    EXPECT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F16>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<f16>(), 0_h);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<f16>(), 0_h);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<f16>(), 0_h);
}

TEST_F(ResolverConstantsTest, Vec3_MixConstruct_f16_all_negative_0) {
    Enable(ast::Extension::kF16);

    auto* expr = vec3<f16>(vec2<f16>(-0_h, -0_h), -0_h);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    EXPECT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F16>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<f16>(), -0_h);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<f16>(), -0_h);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<f16>(), -0_h);
}

TEST_F(ResolverConstantsTest, Vec3_MixConstruct_f16_mixed_sign_0) {
    Enable(ast::Extension::kF16);

    auto* expr = vec3<f16>(0_h, vec2<f16>(-0_h, 0_h));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    EXPECT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F16>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<f16>(), 0_h);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<f16>(), -0_h);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<f16>(), 0_h);
}

TEST_F(ResolverConstantsTest, Vec3_MixConstruct_bool) {
    auto* expr = vec3<bool>(vec2<bool>(true, false), true);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::Bool>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<bool>(), true);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<bool>(), false);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<bool>(), true);
}

TEST_F(ResolverConstantsTest, Vec3_MixConstruct_all_true) {
    auto* expr = vec3<bool>(true, vec2<bool>(true, true));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::Bool>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<bool>(), true);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<bool>(), true);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<bool>(), true);
}

TEST_F(ResolverConstantsTest, Vec3_MixConstruct_all_false) {
    auto* expr = vec3<bool>(false, vec2<bool>(false, false));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::Bool>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<bool>(), false);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<bool>(), false);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<bool>(), false);
}

TEST_F(ResolverConstantsTest, Vec3_Convert_f32_to_i32) {
    auto* expr = vec3<i32>(vec3<f32>(1.1_f, 2.2_f, 3.3_f));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::I32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AInt>(), 1);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AInt>(), 2);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AInt>(), 3);
}

TEST_F(ResolverConstantsTest, Vec3_Convert_u32_to_f32) {
    auto* expr = vec3<f32>(vec3<u32>(10_u, 20_u, 30_u));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AFloat>(), 10.f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AFloat>(), 20.f);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AFloat>(), 30.f);
}

TEST_F(ResolverConstantsTest, Vec3_Convert_f16_to_i32) {
    Enable(ast::Extension::kF16);

    auto* expr = vec3<i32>(vec3<f16>(1.1_h, 2.2_h, 3.3_h));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    EXPECT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::I32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AInt>(), 1_i);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AInt>(), 2_i);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AInt>(), 3_i);
}

TEST_F(ResolverConstantsTest, Vec3_Convert_u32_to_f16) {
    Enable(ast::Extension::kF16);

    auto* expr = vec3<f16>(vec3<u32>(10_u, 20_u, 30_u));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    EXPECT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F16>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AFloat>(), 10.f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AFloat>(), 20.f);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AFloat>(), 30.f);
}

TEST_F(ResolverConstantsTest, Vec3_Convert_Large_f32_to_i32) {
    auto* expr = vec3<i32>(vec3<f32>(1e10_f, -1e20_f, 1e30_f));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::I32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AInt>(), i32::kHighest);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AInt>(), i32::kLowest);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AInt>(), i32::kHighest);
}

TEST_F(ResolverConstantsTest, Vec3_Convert_Large_f32_to_u32) {
    auto* expr = vec3<u32>(vec3<f32>(1e10_f, -1e20_f, 1e30_f));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::U32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AInt>(), u32::kHighest);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AInt>(), u32::kLowest);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AInt>(), u32::kHighest);
}

TEST_F(ResolverConstantsTest, Vec3_Convert_Large_f32_to_f16) {
    Enable(ast::Extension::kF16);

    auto* expr = vec3<f16>(vec3<f32>(1e10_f, -1e20_f, 1e30_f));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    constexpr auto kInf = std::numeric_limits<double>::infinity();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F16>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AFloat>(), kInf);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AFloat>(), -kInf);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AFloat>(), kInf);
}

TEST_F(ResolverConstantsTest, Vec3_Convert_Small_f32_to_f16) {
    Enable(ast::Extension::kF16);

    auto* expr = vec3<f16>(vec3<f32>(1e-20_f, -2e-30_f, 3e-40_f));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F16>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<AFloat>(), 0.0);
    EXPECT_FALSE(std::signbit(sem->ConstantValue()->Index(0)->As<AFloat>().value));

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<AFloat>(), -0.0);
    EXPECT_TRUE(std::signbit(sem->ConstantValue()->Index(1)->As<AFloat>().value));

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<AFloat>(), 0.0);
    EXPECT_FALSE(std::signbit(sem->ConstantValue()->Index(2)->As<AFloat>().value));
}

TEST_F(ResolverConstantsTest, Mat2x3_ZeroInit_f32) {
    auto* expr = mat2x3<f32>();
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* mat = sem->Type()->As<sem::Matrix>();
    ASSERT_NE(mat, nullptr);
    EXPECT_TRUE(mat->type()->Is<sem::F32>());
    EXPECT_EQ(mat->columns(), 2u);
    EXPECT_EQ(mat->rows(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(0)->As<f32>(), 0._f);

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(1)->As<f32>(), 0._f);

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(2)->As<f32>(), 0._f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(0)->As<f32>(), 0._f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(1)->As<f32>(), 0._f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(2)->As<f32>(), 0._f);
}

TEST_F(ResolverConstantsTest, Mat2x3_ZeroInit_f16) {
    Enable(ast::Extension::kF16);

    auto* expr = mat2x3<f16>();
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    EXPECT_NE(sem, nullptr);
    auto* mat = sem->Type()->As<sem::Matrix>();
    ASSERT_NE(mat, nullptr);
    EXPECT_TRUE(mat->type()->Is<sem::F16>());
    EXPECT_EQ(mat->columns(), 2u);
    EXPECT_EQ(mat->rows(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(0)->As<f16>(), 0._h);

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(1)->As<f16>(), 0._h);

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(2)->As<f16>(), 0._h);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(0)->As<f16>(), 0._h);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(1)->As<f16>(), 0._h);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(2)->As<f16>(), 0._h);
}

TEST_F(ResolverConstantsTest, Mat3x2_Construct_Scalars_af) {
    auto* expr = Construct(ty.mat(nullptr, 3, 2), 1.0_a, 2.0_a, 3.0_a, 4.0_a, 5.0_a, 6.0_a);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* mat = sem->Type()->As<sem::Matrix>();
    ASSERT_NE(mat, nullptr);
    EXPECT_TRUE(mat->type()->Is<sem::F32>());
    EXPECT_EQ(mat->columns(), 3u);
    EXPECT_EQ(mat->rows(), 2u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(0)->As<AFloat>(), 1._a);

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(1)->As<AFloat>(), 2._a);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(0)->As<AFloat>(), 3._a);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(1)->As<AFloat>(), 4._a);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->Index(0)->As<AFloat>(), 5._a);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->Index(1)->As<AFloat>(), 6._a);
}

TEST_F(ResolverConstantsTest, Mat3x2_Construct_Columns_af) {
    auto* expr = Construct(ty.mat(nullptr, 3, 2),           //
                           vec(nullptr, 2u, 1.0_a, 2.0_a),  //
                           vec(nullptr, 2u, 3.0_a, 4.0_a),  //
                           vec(nullptr, 2u, 5.0_a, 6.0_a));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* mat = sem->Type()->As<sem::Matrix>();
    ASSERT_NE(mat, nullptr);
    EXPECT_TRUE(mat->type()->Is<sem::F32>());
    EXPECT_EQ(mat->columns(), 3u);
    EXPECT_EQ(mat->rows(), 2u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(0)->As<AFloat>(), 1._a);

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(1)->As<AFloat>(), 2._a);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(0)->As<AFloat>(), 3._a);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(1)->As<AFloat>(), 4._a);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->Index(0)->As<AFloat>(), 5._a);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->Index(1)->As<AFloat>(), 6._a);
}

TEST_F(ResolverConstantsTest, Array_i32_Zero) {
    auto* expr = Construct(ty.array<i32, 4>());
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* arr = sem->Type()->As<sem::Array>();
    ASSERT_NE(arr, nullptr);
    EXPECT_TRUE(arr->ElemType()->Is<sem::I32>());
    EXPECT_EQ(arr->Count(), 4u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<i32>(), 0_i);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<i32>(), 0_i);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<i32>(), 0_i);

    EXPECT_TRUE(sem->ConstantValue()->Index(3)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(3)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(3)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(3)->As<i32>(), 0_i);
}

TEST_F(ResolverConstantsTest, Array_f32_Zero) {
    auto* expr = Construct(ty.array<f32, 4>());
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* arr = sem->Type()->As<sem::Array>();
    ASSERT_NE(arr, nullptr);
    EXPECT_TRUE(arr->ElemType()->Is<sem::F32>());
    EXPECT_EQ(arr->Count(), 4u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<f32>(), 0_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<f32>(), 0_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<f32>(), 0_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(3)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(3)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(3)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(3)->As<f32>(), 0_f);
}

TEST_F(ResolverConstantsTest, Array_vec3_f32_Zero) {
    auto* expr = Construct(ty.array(ty.vec3<f32>(), 2_u));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* arr = sem->Type()->As<sem::Array>();
    ASSERT_NE(arr, nullptr);
    EXPECT_TRUE(arr->ElemType()->Is<sem::Vector>());
    EXPECT_EQ(arr->Count(), 2u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(0)->As<f32>(), 0_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(1)->As<f32>(), 0_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(2)->As<f32>(), 0_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(0)->As<f32>(), 0_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(1)->As<f32>(), 0_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(2)->As<f32>(), 0_f);
}

TEST_F(ResolverConstantsTest, Array_Struct_f32_Zero) {
    Structure("S", {
                       Member("m1", ty.f32()),
                       Member("m2", ty.f32()),
                   });
    auto* expr = Construct(ty.array(ty.type_name("S"), 2_u));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* arr = sem->Type()->As<sem::Array>();
    ASSERT_NE(arr, nullptr);
    EXPECT_TRUE(arr->ElemType()->Is<sem::Struct>());
    EXPECT_EQ(arr->Count(), 2u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(0)->As<f32>(), 0_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(1)->As<f32>(), 0_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(0)->As<f32>(), 0_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(1)->As<f32>(), 0_f);
}

TEST_F(ResolverConstantsTest, Array_i32_Elements) {
    auto* expr = Construct(ty.array<i32, 4>(), 10_i, 20_i, 30_i, 40_i);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* arr = sem->Type()->As<sem::Array>();
    ASSERT_NE(arr, nullptr);
    EXPECT_TRUE(arr->ElemType()->Is<sem::I32>());
    EXPECT_EQ(arr->Count(), 4u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<i32>(), 10_i);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<i32>(), 20_i);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<i32>(), 30_i);

    EXPECT_TRUE(sem->ConstantValue()->Index(3)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(3)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(3)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(3)->As<i32>(), 40_i);
}

TEST_F(ResolverConstantsTest, Array_f32_Elements) {
    auto* expr = Construct(ty.array<f32, 4>(), 10_f, 20_f, 30_f, 40_f);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* arr = sem->Type()->As<sem::Array>();
    ASSERT_NE(arr, nullptr);
    EXPECT_TRUE(arr->ElemType()->Is<sem::F32>());
    EXPECT_EQ(arr->Count(), 4u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<f32>(), 10_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<f32>(), 20_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<f32>(), 30_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(3)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(3)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(3)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(3)->As<f32>(), 40_f);
}

TEST_F(ResolverConstantsTest, Array_vec3_f32_Elements) {
    auto* expr = Construct(ty.array(ty.vec3<f32>(), 2_u),  //
                           vec3<f32>(1_f, 2_f, 3_f), vec3<f32>(4_f, 5_f, 6_f));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* arr = sem->Type()->As<sem::Array>();
    ASSERT_NE(arr, nullptr);
    EXPECT_TRUE(arr->ElemType()->Is<sem::Vector>());
    EXPECT_EQ(arr->Count(), 2u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(0)->As<f32>(), 1_f);
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(1)->As<f32>(), 2_f);
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(2)->As<f32>(), 3_f);
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(0)->As<f32>(), 4_f);
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(1)->As<f32>(), 5_f);
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(2)->As<f32>(), 6_f);
}

TEST_F(ResolverConstantsTest, Array_Struct_f32_Elements) {
    Structure("S", {
                       Member("m1", ty.f32()),
                       Member("m2", ty.f32()),
                   });
    auto* expr = Construct(ty.array(ty.type_name("S"), 2_u),        //
                           Construct(ty.type_name("S"), 1_f, 2_f),  //
                           Construct(ty.type_name("S"), 3_f, 4_f));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* arr = sem->Type()->As<sem::Array>();
    ASSERT_NE(arr, nullptr);
    EXPECT_TRUE(arr->ElemType()->Is<sem::Struct>());
    EXPECT_EQ(arr->Count(), 2u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(0)->As<f32>(), 1_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(1)->As<f32>(), 2_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(0)->As<f32>(), 3_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(1)->As<f32>(), 4_f);
}

TEST_F(ResolverConstantsTest, Struct_I32s_ZeroInit) {
    Structure("S", {Member("m1", ty.i32()), Member("m2", ty.i32()), Member("m3", ty.i32())});
    auto* expr = Construct(ty.type_name("S"));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* str = sem->Type()->As<sem::Struct>();
    ASSERT_NE(str, nullptr);
    EXPECT_EQ(str->Members().size(), 3u);
    ASSERT_NE(sem->ConstantValue(), nullptr);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Type()->Is<sem::I32>());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<i32>(), 0_i);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Type()->Is<sem::I32>());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<i32>(), 0_i);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->Type()->Is<sem::I32>());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<i32>(), 0_i);
}

TEST_F(ResolverConstantsTest, Struct_MixedScalars_ZeroInit) {
    Enable(ast::Extension::kF16);

    Structure("S", {
                       Member("m1", ty.i32()),
                       Member("m2", ty.u32()),
                       Member("m3", ty.f32()),
                       Member("m4", ty.f16()),
                       Member("m5", ty.bool_()),
                   });
    auto* expr = Construct(ty.type_name("S"));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* str = sem->Type()->As<sem::Struct>();
    ASSERT_NE(str, nullptr);
    EXPECT_EQ(str->Members().size(), 5u);
    ASSERT_NE(sem->ConstantValue(), nullptr);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Type()->Is<sem::I32>());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<i32>(), 0_i);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Type()->Is<sem::U32>());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<u32>(), 0_u);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->Type()->Is<sem::F32>());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<f32>(), 0._f);

    EXPECT_TRUE(sem->ConstantValue()->Index(3)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(3)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(3)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(3)->Type()->Is<sem::F16>());
    EXPECT_EQ(sem->ConstantValue()->Index(3)->As<f16>(), 0._h);

    EXPECT_TRUE(sem->ConstantValue()->Index(4)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(4)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(4)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(4)->Type()->Is<sem::Bool>());
    EXPECT_EQ(sem->ConstantValue()->Index(4)->As<bool>(), false);
}

TEST_F(ResolverConstantsTest, Struct_VectorF32s_ZeroInit) {
    Structure("S", {
                       Member("m1", ty.vec3<f32>()),
                       Member("m2", ty.vec3<f32>()),
                       Member("m3", ty.vec3<f32>()),
                   });
    auto* expr = Construct(ty.type_name("S"));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* str = sem->Type()->As<sem::Struct>();
    ASSERT_NE(str, nullptr);
    EXPECT_EQ(str->Members().size(), 3u);
    ASSERT_NE(sem->ConstantValue(), nullptr);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Type()->Is<sem::Vector>());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Type()->As<sem::Vector>()->type()->Is<sem::F32>());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(0)->As<f32>(), 0._f);
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(1)->As<f32>(), 0._f);
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(2)->As<f32>(), 0._f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Type()->Is<sem::Vector>());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Type()->As<sem::Vector>()->type()->Is<sem::F32>());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(0)->As<f32>(), 0._f);
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(1)->As<f32>(), 0._f);
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(2)->As<f32>(), 0._f);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->Type()->Is<sem::Vector>());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->Type()->As<sem::Vector>()->type()->Is<sem::F32>());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->Index(0)->As<f32>(), 0._f);
    EXPECT_EQ(sem->ConstantValue()->Index(2)->Index(1)->As<f32>(), 0._f);
    EXPECT_EQ(sem->ConstantValue()->Index(2)->Index(2)->As<f32>(), 0._f);
}

TEST_F(ResolverConstantsTest, Struct_MixedVectors_ZeroInit) {
    Enable(ast::Extension::kF16);

    Structure("S", {
                       Member("m1", ty.vec2<i32>()),
                       Member("m2", ty.vec3<u32>()),
                       Member("m3", ty.vec4<f32>()),
                       Member("m4", ty.vec3<f16>()),
                       Member("m5", ty.vec2<bool>()),
                   });
    auto* expr = Construct(ty.type_name("S"));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* str = sem->Type()->As<sem::Struct>();
    ASSERT_NE(str, nullptr);
    EXPECT_EQ(str->Members().size(), 5u);
    ASSERT_NE(sem->ConstantValue(), nullptr);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Type()->Is<sem::Vector>());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Type()->As<sem::Vector>()->type()->Is<sem::I32>());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(0)->As<i32>(), 0_i);
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(1)->As<i32>(), 0_i);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Type()->Is<sem::Vector>());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Type()->As<sem::Vector>()->type()->Is<sem::U32>());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(0)->As<u32>(), 0_u);
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(1)->As<u32>(), 0_u);
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(2)->As<u32>(), 0_u);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->Type()->Is<sem::Vector>());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->Type()->As<sem::Vector>()->type()->Is<sem::F32>());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->Index(0)->As<f32>(), 0._f);
    EXPECT_EQ(sem->ConstantValue()->Index(2)->Index(1)->As<f32>(), 0._f);
    EXPECT_EQ(sem->ConstantValue()->Index(2)->Index(2)->As<f32>(), 0._f);
    EXPECT_EQ(sem->ConstantValue()->Index(2)->Index(3)->As<f32>(), 0._f);

    EXPECT_TRUE(sem->ConstantValue()->Index(3)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(3)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(3)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(3)->Type()->Is<sem::Vector>());
    EXPECT_TRUE(sem->ConstantValue()->Index(3)->Type()->As<sem::Vector>()->type()->Is<sem::F16>());
    EXPECT_EQ(sem->ConstantValue()->Index(3)->Index(0)->As<f16>(), 0._h);
    EXPECT_EQ(sem->ConstantValue()->Index(3)->Index(1)->As<f16>(), 0._h);
    EXPECT_EQ(sem->ConstantValue()->Index(3)->Index(2)->As<f16>(), 0._h);

    EXPECT_TRUE(sem->ConstantValue()->Index(4)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(4)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(4)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(4)->Type()->Is<sem::Vector>());
    EXPECT_TRUE(sem->ConstantValue()->Index(4)->Type()->As<sem::Vector>()->type()->Is<sem::Bool>());
    EXPECT_EQ(sem->ConstantValue()->Index(4)->Index(0)->As<bool>(), false);
    EXPECT_EQ(sem->ConstantValue()->Index(4)->Index(1)->As<bool>(), false);
}

TEST_F(ResolverConstantsTest, Struct_Struct_ZeroInit) {
    Structure("Inner", {
                           Member("m1", ty.i32()),
                           Member("m2", ty.u32()),
                           Member("m3", ty.f32()),
                       });

    Structure("Outer", {
                           Member("m1", ty.type_name("Inner")),
                           Member("m2", ty.type_name("Inner")),
                       });
    auto* expr = Construct(ty.type_name("Outer"));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* str = sem->Type()->As<sem::Struct>();
    ASSERT_NE(str, nullptr);
    EXPECT_EQ(str->Members().size(), 2u);
    ASSERT_NE(sem->ConstantValue(), nullptr);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->AllZero());

    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Type()->Is<sem::Struct>());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(0)->As<i32>(), 0_i);
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(1)->As<u32>(), 0_u);
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(2)->As<f32>(), 0_f);

    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Type()->Is<sem::Struct>());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(0)->As<i32>(), 0_i);
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(1)->As<u32>(), 0_u);
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(2)->As<f32>(), 0_f);
}

TEST_F(ResolverConstantsTest, Struct_MixedScalars_Construct) {
    Enable(ast::Extension::kF16);

    Structure("S", {
                       Member("m1", ty.i32()),
                       Member("m2", ty.u32()),
                       Member("m3", ty.f32()),
                       Member("m4", ty.f16()),
                       Member("m5", ty.bool_()),
                   });
    auto* expr = Construct(ty.type_name("S"), 1_i, 2_u, 3_f, 4_h, false);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* str = sem->Type()->As<sem::Struct>();
    ASSERT_NE(str, nullptr);
    EXPECT_EQ(str->Members().size(), 5u);
    ASSERT_NE(sem->ConstantValue(), nullptr);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Type()->Is<sem::I32>());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<i32>(), 1_i);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Type()->Is<sem::U32>());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<u32>(), 2_u);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->Type()->Is<sem::F32>());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<f32>(), 3._f);

    EXPECT_TRUE(sem->ConstantValue()->Index(3)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(3)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(3)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(3)->Type()->Is<sem::F16>());
    EXPECT_EQ(sem->ConstantValue()->Index(3)->As<f16>(), 4._h);

    EXPECT_TRUE(sem->ConstantValue()->Index(4)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(4)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(4)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(4)->Type()->Is<sem::Bool>());
    EXPECT_EQ(sem->ConstantValue()->Index(4)->As<bool>(), false);
}

TEST_F(ResolverConstantsTest, Struct_MixedVectors_Construct) {
    Enable(ast::Extension::kF16);

    Structure("S", {
                       Member("m1", ty.vec2<i32>()),
                       Member("m2", ty.vec3<u32>()),
                       Member("m3", ty.vec4<f32>()),
                       Member("m4", ty.vec3<f16>()),
                       Member("m5", ty.vec2<bool>()),
                   });
    auto* expr = Construct(ty.type_name("S"), vec2<i32>(1_i), vec3<u32>(2_u), vec4<f32>(3_f),
                           vec3<f16>(4_h), vec2<bool>(false));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* str = sem->Type()->As<sem::Struct>();
    ASSERT_NE(str, nullptr);
    EXPECT_EQ(str->Members().size(), 5u);
    ASSERT_NE(sem->ConstantValue(), nullptr);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Type()->Is<sem::Vector>());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Type()->As<sem::Vector>()->type()->Is<sem::I32>());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(0)->As<i32>(), 1_i);
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(1)->As<i32>(), 1_i);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Type()->Is<sem::Vector>());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Type()->As<sem::Vector>()->type()->Is<sem::U32>());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(0)->As<u32>(), 2_u);
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(1)->As<u32>(), 2_u);
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(2)->As<u32>(), 2_u);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->Type()->Is<sem::Vector>());
    EXPECT_TRUE(sem->ConstantValue()->Index(2)->Type()->As<sem::Vector>()->type()->Is<sem::F32>());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->Index(0)->As<f32>(), 3._f);
    EXPECT_EQ(sem->ConstantValue()->Index(2)->Index(1)->As<f32>(), 3._f);
    EXPECT_EQ(sem->ConstantValue()->Index(2)->Index(2)->As<f32>(), 3._f);
    EXPECT_EQ(sem->ConstantValue()->Index(2)->Index(3)->As<f32>(), 3._f);

    EXPECT_TRUE(sem->ConstantValue()->Index(3)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(3)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(3)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(3)->Type()->Is<sem::Vector>());
    EXPECT_TRUE(sem->ConstantValue()->Index(3)->Type()->As<sem::Vector>()->type()->Is<sem::F16>());
    EXPECT_EQ(sem->ConstantValue()->Index(3)->Index(0)->As<f16>(), 4._h);
    EXPECT_EQ(sem->ConstantValue()->Index(3)->Index(1)->As<f16>(), 4._h);
    EXPECT_EQ(sem->ConstantValue()->Index(3)->Index(2)->As<f16>(), 4._h);

    EXPECT_TRUE(sem->ConstantValue()->Index(4)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(4)->AnyZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(4)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(4)->Type()->Is<sem::Vector>());
    EXPECT_TRUE(sem->ConstantValue()->Index(4)->Type()->As<sem::Vector>()->type()->Is<sem::Bool>());
    EXPECT_EQ(sem->ConstantValue()->Index(4)->Index(0)->As<bool>(), false);
    EXPECT_EQ(sem->ConstantValue()->Index(4)->Index(1)->As<bool>(), false);
}

TEST_F(ResolverConstantsTest, Struct_Struct_Construct) {
    Structure("Inner", {
                           Member("m1", ty.i32()),
                           Member("m2", ty.u32()),
                           Member("m3", ty.f32()),
                       });

    Structure("Outer", {
                           Member("m1", ty.type_name("Inner")),
                           Member("m2", ty.type_name("Inner")),
                       });
    auto* expr = Construct(ty.type_name("Outer"),  //
                           Construct(ty.type_name("Inner"), 1_i, 2_u, 3_f),
                           Construct(ty.type_name("Inner"), 4_i, 0_u, 6_f));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* str = sem->Type()->As<sem::Struct>();
    ASSERT_NE(str, nullptr);
    EXPECT_EQ(str->Members().size(), 2u);
    ASSERT_NE(sem->ConstantValue(), nullptr);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Type()->Is<sem::Struct>());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(0)->As<i32>(), 1_i);
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(1)->As<u32>(), 2_u);
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(2)->As<f32>(), 3_f);

    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Type()->Is<sem::Struct>());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(0)->As<i32>(), 4_i);
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(1)->As<u32>(), 0_u);
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(2)->As<f32>(), 6_f);
}

TEST_F(ResolverConstantsTest, Struct_Array_Construct) {
    Structure("S", {
                       Member("m1", ty.array<i32, 2>()),
                       Member("m2", ty.array<f32, 3>()),
                   });
    auto* expr = Construct(ty.type_name("S"),  //
                           Construct(ty.array<i32, 2>(), 1_i, 2_i),
                           Construct(ty.array<f32, 3>(), 1_f, 2_f, 3_f));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* str = sem->Type()->As<sem::Struct>();
    ASSERT_NE(str, nullptr);
    EXPECT_EQ(str->Members().size(), 2u);
    ASSERT_NE(sem->ConstantValue(), nullptr);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(0)->Type()->Is<sem::Array>());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(0)->As<i32>(), 1_i);
    EXPECT_EQ(sem->ConstantValue()->Index(0)->Index(1)->As<u32>(), 2_i);

    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_TRUE(sem->ConstantValue()->Index(1)->Type()->Is<sem::Array>());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(0)->As<i32>(), 1_f);
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(1)->As<u32>(), 2_f);
    EXPECT_EQ(sem->ConstantValue()->Index(1)->Index(2)->As<f32>(), 3_f);
}

////////////////////////////////////////////////////////////////////////////////////////////////////
// Indexing
////////////////////////////////////////////////////////////////////////////////////////////////////

TEST_F(ResolverConstantsTest, Vec3_Index) {
    auto* expr = IndexAccessor(vec3<i32>(1_i, 2_i, 3_i), 2_i);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    ASSERT_TRUE(sem->Type()->Is<sem::I32>());
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());
    EXPECT_EQ(sem->ConstantValue()->As<i32>(), 3_i);
}

TEST_F(ResolverConstantsTest, Vec3_Index_OOB_High) {
    auto* expr = IndexAccessor(vec3<i32>(1_i, 2_i, 3_i), Expr(Source{{12, 34}}, 3_i));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();
    EXPECT_EQ(r()->error(), "12:34 warning: index 3 out of bounds [0..2]. Clamping index to 2");

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    ASSERT_TRUE(sem->Type()->Is<sem::I32>());
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());
    EXPECT_EQ(sem->ConstantValue()->As<i32>(), 3_i);
}

TEST_F(ResolverConstantsTest, Vec3_Index_OOB_Low) {
    auto* expr = IndexAccessor(vec3<i32>(1_i, 2_i, 3_i), Expr(Source{{12, 34}}, -3_i));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();
    EXPECT_EQ(r()->error(), "12:34 warning: index -3 out of bounds [0..2]. Clamping index to 0");

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    ASSERT_TRUE(sem->Type()->Is<sem::I32>());
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());
    EXPECT_EQ(sem->ConstantValue()->As<i32>(), 1_i);
}

TEST_F(ResolverConstantsTest, Vec3_Swizzle_Scalar) {
    auto* expr = MemberAccessor(vec3<i32>(1_i, 2_i, 3_i), "y");
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    ASSERT_TRUE(sem->Type()->Is<sem::I32>());
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());
    EXPECT_EQ(sem->ConstantValue()->As<i32>(), 2_i);
}

TEST_F(ResolverConstantsTest, Vec3_Swizzle_Vector) {
    auto* expr = MemberAccessor(vec3<i32>(1_i, 2_i, 3_i), "zx");
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_EQ(vec->Width(), 2u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<f32>(), 3._a);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<f32>(), 1._a);
}

TEST_F(ResolverConstantsTest, Vec3_Swizzle_Chain) {
    auto* expr =  // (1, 2, 3) -> (2, 3, 1) -> (3, 2) -> 2
        MemberAccessor(MemberAccessor(MemberAccessor(vec3<i32>(1_i, 2_i, 3_i), "gbr"), "yx"), "y");
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    ASSERT_TRUE(sem->Type()->Is<sem::I32>());
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());
    EXPECT_EQ(sem->ConstantValue()->As<i32>(), 2_i);
}

TEST_F(ResolverConstantsTest, Mat3x2_Index) {
    auto* expr = IndexAccessor(
        mat3x2<f32>(vec2<f32>(1._a, 2._a), vec2<f32>(3._a, 4._a), vec2<f32>(5._a, 6._a)), 2_i);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_EQ(vec->Width(), 2u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<f32>(), 5._a);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<f32>(), 6._a);
}

TEST_F(ResolverConstantsTest, Mat3x2_Index_OOB_High) {
    auto* expr = IndexAccessor(
        mat3x2<f32>(vec2<f32>(1._a, 2._a), vec2<f32>(3._a, 4._a), vec2<f32>(5._a, 6._a)),
        Expr(Source{{12, 34}}, 3_i));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();
    EXPECT_EQ(r()->error(), "12:34 warning: index 3 out of bounds [0..2]. Clamping index to 2");

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_EQ(vec->Width(), 2u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<f32>(), 5._a);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<f32>(), 6._a);
}

TEST_F(ResolverConstantsTest, Mat3x2_Index_OOB_Low) {
    auto* expr = IndexAccessor(
        mat3x2<f32>(vec2<f32>(1._a, 2._a), vec2<f32>(3._a, 4._a), vec2<f32>(5._a, 6._a)),
        Expr(Source{{12, 34}}, -3_i));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();
    EXPECT_EQ(r()->error(), "12:34 warning: index -3 out of bounds [0..2]. Clamping index to 0");

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_EQ(vec->Width(), 2u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<f32>(), 1._a);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<f32>(), 2._a);
}

TEST_F(ResolverConstantsTest, Array_vec3_f32_Index) {
    auto* expr = IndexAccessor(Construct(ty.array(ty.vec3<f32>(), 2_u),  //
                                         vec3<f32>(1_f, 2_f, 3_f), vec3<f32>(4_f, 5_f, 6_f)),
                               1_i);
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<f32>(), 4_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<f32>(), 5_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<f32>(), 6_f);
}

TEST_F(ResolverConstantsTest, Array_vec3_f32_Index_OOB_High) {
    auto* expr = IndexAccessor(Construct(ty.array(ty.vec3<f32>(), 2_u),  //
                                         vec3<f32>(1_f, 2_f, 3_f), vec3<f32>(4_f, 5_f, 6_f)),
                               Expr(Source{{12, 34}}, 2_i));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();
    EXPECT_EQ(r()->error(), "12:34 warning: index 2 out of bounds [0..1]. Clamping index to 1");

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<f32>(), 4_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<f32>(), 5_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<f32>(), 6_f);
}

TEST_F(ResolverConstantsTest, Array_vec3_f32_Index_OOB_Low) {
    auto* expr = IndexAccessor(Construct(ty.array(ty.vec3<f32>(), 2_u),  //
                                         vec3<f32>(1_f, 2_f, 3_f), vec3<f32>(4_f, 5_f, 6_f)),
                               Expr(Source{{12, 34}}, -2_i));
    WrapInFunction(expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();
    EXPECT_EQ(r()->error(), "12:34 warning: index -2 out of bounds [0..1]. Clamping index to 0");

    auto* sem = Sem().Get(expr);
    ASSERT_NE(sem, nullptr);
    auto* vec = sem->Type()->As<sem::Vector>();
    ASSERT_NE(vec, nullptr);
    EXPECT_TRUE(vec->type()->Is<sem::F32>());
    EXPECT_EQ(vec->Width(), 3u);
    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
    EXPECT_FALSE(sem->ConstantValue()->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->AllZero());

    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<f32>(), 1_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<f32>(), 2_f);

    EXPECT_TRUE(sem->ConstantValue()->Index(2)->AllEqual());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AnyZero());
    EXPECT_FALSE(sem->ConstantValue()->Index(2)->AllZero());
    EXPECT_EQ(sem->ConstantValue()->Index(2)->As<f32>(), 3_f);
}

TEST_F(ResolverConstantsTest, ChainedIndex) {
    auto* arr_expr = Construct(ty.array(ty.mat2x3<f32>(), 2_u),        // array<mat2x3<f32>, 2u>
                               mat2x3<f32>(vec3<f32>(1_f, 2_f, 3_f),   //
                                           vec3<f32>(4_f, 5_f, 6_f)),  //
                               mat2x3<f32>(vec3<f32>(7_f, 0_f, 9_f),   //
                                           vec3<f32>(10_f, 11_f, 12_f)));

    auto* mat_expr = IndexAccessor(arr_expr, 1_i);  // arr[1]
    auto* vec_expr = IndexAccessor(mat_expr, 0_i);  // arr[1][0]
    auto* f32_expr = IndexAccessor(vec_expr, 2_i);  // arr[1][0][2]
    WrapInFunction(f32_expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    {
        auto* mat = Sem().Get(mat_expr);
        EXPECT_NE(mat, nullptr);
        auto* ty = mat->Type()->As<sem::Matrix>();
        ASSERT_NE(mat->Type(), nullptr);
        EXPECT_TRUE(ty->ColumnType()->Is<sem::Vector>());
        EXPECT_EQ(ty->columns(), 2u);
        EXPECT_EQ(ty->rows(), 3u);
        EXPECT_EQ(mat->ConstantValue()->Type(), mat->Type());
        EXPECT_FALSE(mat->ConstantValue()->AllEqual());
        EXPECT_TRUE(mat->ConstantValue()->AnyZero());
        EXPECT_FALSE(mat->ConstantValue()->AllZero());

        EXPECT_TRUE(mat->ConstantValue()->Index(0)->Index(0)->AllEqual());
        EXPECT_FALSE(mat->ConstantValue()->Index(0)->Index(0)->AnyZero());
        EXPECT_FALSE(mat->ConstantValue()->Index(0)->Index(0)->AllZero());
        EXPECT_EQ(mat->ConstantValue()->Index(0)->Index(0)->As<f32>(), 7_f);

        EXPECT_TRUE(mat->ConstantValue()->Index(0)->Index(1)->AllEqual());
        EXPECT_TRUE(mat->ConstantValue()->Index(0)->Index(1)->AnyZero());
        EXPECT_TRUE(mat->ConstantValue()->Index(0)->Index(1)->AllZero());
        EXPECT_EQ(mat->ConstantValue()->Index(0)->Index(1)->As<f32>(), 0_f);

        EXPECT_TRUE(mat->ConstantValue()->Index(0)->Index(2)->AllEqual());
        EXPECT_FALSE(mat->ConstantValue()->Index(0)->Index(2)->AnyZero());
        EXPECT_FALSE(mat->ConstantValue()->Index(0)->Index(2)->AllZero());
        EXPECT_EQ(mat->ConstantValue()->Index(0)->Index(2)->As<f32>(), 9_f);

        EXPECT_TRUE(mat->ConstantValue()->Index(1)->Index(0)->AllEqual());
        EXPECT_FALSE(mat->ConstantValue()->Index(1)->Index(0)->AnyZero());
        EXPECT_FALSE(mat->ConstantValue()->Index(1)->Index(0)->AllZero());
        EXPECT_EQ(mat->ConstantValue()->Index(1)->Index(0)->As<f32>(), 10_f);

        EXPECT_TRUE(mat->ConstantValue()->Index(1)->Index(1)->AllEqual());
        EXPECT_FALSE(mat->ConstantValue()->Index(1)->Index(1)->AnyZero());
        EXPECT_FALSE(mat->ConstantValue()->Index(1)->Index(1)->AllZero());
        EXPECT_EQ(mat->ConstantValue()->Index(1)->Index(1)->As<f32>(), 11_f);

        EXPECT_TRUE(mat->ConstantValue()->Index(1)->Index(2)->AllEqual());
        EXPECT_FALSE(mat->ConstantValue()->Index(1)->Index(2)->AnyZero());
        EXPECT_FALSE(mat->ConstantValue()->Index(1)->Index(2)->AllZero());
        EXPECT_EQ(mat->ConstantValue()->Index(1)->Index(2)->As<f32>(), 12_f);
    }
    {
        auto* vec = Sem().Get(vec_expr);
        EXPECT_NE(vec, nullptr);
        auto* ty = vec->Type()->As<sem::Vector>();
        ASSERT_NE(vec->Type(), nullptr);
        EXPECT_TRUE(ty->type()->Is<sem::F32>());
        EXPECT_EQ(ty->Width(), 3u);
        EXPECT_EQ(vec->ConstantValue()->Type(), vec->Type());
        EXPECT_FALSE(vec->ConstantValue()->AllEqual());
        EXPECT_TRUE(vec->ConstantValue()->AnyZero());
        EXPECT_FALSE(vec->ConstantValue()->AllZero());

        EXPECT_TRUE(vec->ConstantValue()->Index(0)->AllEqual());
        EXPECT_FALSE(vec->ConstantValue()->Index(0)->AnyZero());
        EXPECT_FALSE(vec->ConstantValue()->Index(0)->AllZero());
        EXPECT_EQ(vec->ConstantValue()->Index(0)->As<f32>(), 7_f);

        EXPECT_TRUE(vec->ConstantValue()->Index(1)->AllEqual());
        EXPECT_TRUE(vec->ConstantValue()->Index(1)->AnyZero());
        EXPECT_TRUE(vec->ConstantValue()->Index(1)->AllZero());
        EXPECT_EQ(vec->ConstantValue()->Index(1)->As<f32>(), 0_f);

        EXPECT_TRUE(vec->ConstantValue()->Index(2)->AllEqual());
        EXPECT_FALSE(vec->ConstantValue()->Index(2)->AnyZero());
        EXPECT_FALSE(vec->ConstantValue()->Index(2)->AllZero());
        EXPECT_EQ(vec->ConstantValue()->Index(2)->As<f32>(), 9_f);
    }
    {
        auto* f = Sem().Get(f32_expr);
        EXPECT_NE(f, nullptr);
        EXPECT_TRUE(f->Type()->Is<sem::F32>());
        EXPECT_EQ(f->ConstantValue()->Type(), f->Type());
        EXPECT_TRUE(f->ConstantValue()->AllEqual());
        EXPECT_FALSE(f->ConstantValue()->AnyZero());
        EXPECT_FALSE(f->ConstantValue()->AllZero());
        EXPECT_EQ(f->ConstantValue()->As<f32>(), 9_f);
    }
}

TEST_F(ResolverConstantsTest, ChainedIndex_OOB) {
    auto* arr_expr = Construct(ty.array(ty.mat2x3<f32>(), 2_u),        // array<mat2x3<f32>, 2u>
                               mat2x3<f32>(vec3<f32>(1_f, 2_f, 3_f),   //
                                           vec3<f32>(4_f, 5_f, 6_f)),  //
                               mat2x3<f32>(vec3<f32>(7_f, 8_f, 9_f),   //
                                           vec3<f32>(10_f, 11_f, 12_f)));

    auto* mat_expr = IndexAccessor(arr_expr, Expr(Source{{1, 2}}, -3_i));  // arr[3]
    auto* vec_expr = IndexAccessor(mat_expr, Expr(Source{{3, 4}}, -2_i));  // arr[3][-2]
    auto* f32_expr = IndexAccessor(vec_expr, Expr(Source{{5, 6}}, 4_i));   // arr[3][-2][4]
    WrapInFunction(f32_expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();
    EXPECT_EQ(r()->error(), R"(1:2 warning: index -3 out of bounds [0..1]. Clamping index to 0
3:4 warning: index -2 out of bounds [0..1]. Clamping index to 0
5:6 warning: index 4 out of bounds [0..2]. Clamping index to 2)");

    {
        auto* mat = Sem().Get(mat_expr);
        EXPECT_NE(mat, nullptr);
        auto* ty = mat->Type()->As<sem::Matrix>();
        ASSERT_NE(mat->Type(), nullptr);
        EXPECT_TRUE(ty->ColumnType()->Is<sem::Vector>());
        EXPECT_EQ(ty->columns(), 2u);
        EXPECT_EQ(ty->rows(), 3u);
        EXPECT_EQ(mat->ConstantValue()->Type(), mat->Type());
        EXPECT_FALSE(mat->ConstantValue()->AllEqual());
        EXPECT_FALSE(mat->ConstantValue()->AnyZero());
        EXPECT_FALSE(mat->ConstantValue()->AllZero());

        EXPECT_TRUE(mat->ConstantValue()->Index(0)->Index(0)->AllEqual());
        EXPECT_FALSE(mat->ConstantValue()->Index(0)->Index(0)->AnyZero());
        EXPECT_FALSE(mat->ConstantValue()->Index(0)->Index(0)->AllZero());
        EXPECT_EQ(mat->ConstantValue()->Index(0)->Index(0)->As<f32>(), 1_f);

        EXPECT_TRUE(mat->ConstantValue()->Index(0)->Index(1)->AllEqual());
        EXPECT_FALSE(mat->ConstantValue()->Index(0)->Index(1)->AnyZero());
        EXPECT_FALSE(mat->ConstantValue()->Index(0)->Index(1)->AllZero());
        EXPECT_EQ(mat->ConstantValue()->Index(0)->Index(1)->As<f32>(), 2_f);

        EXPECT_TRUE(mat->ConstantValue()->Index(0)->Index(2)->AllEqual());
        EXPECT_FALSE(mat->ConstantValue()->Index(0)->Index(2)->AnyZero());
        EXPECT_FALSE(mat->ConstantValue()->Index(0)->Index(2)->AllZero());
        EXPECT_EQ(mat->ConstantValue()->Index(0)->Index(2)->As<f32>(), 3_f);

        EXPECT_TRUE(mat->ConstantValue()->Index(1)->Index(0)->AllEqual());
        EXPECT_FALSE(mat->ConstantValue()->Index(1)->Index(0)->AnyZero());
        EXPECT_FALSE(mat->ConstantValue()->Index(1)->Index(0)->AllZero());
        EXPECT_EQ(mat->ConstantValue()->Index(1)->Index(0)->As<f32>(), 4_f);

        EXPECT_TRUE(mat->ConstantValue()->Index(1)->Index(1)->AllEqual());
        EXPECT_FALSE(mat->ConstantValue()->Index(1)->Index(1)->AnyZero());
        EXPECT_FALSE(mat->ConstantValue()->Index(1)->Index(1)->AllZero());
        EXPECT_EQ(mat->ConstantValue()->Index(1)->Index(1)->As<f32>(), 5_f);

        EXPECT_TRUE(mat->ConstantValue()->Index(1)->Index(2)->AllEqual());
        EXPECT_FALSE(mat->ConstantValue()->Index(1)->Index(2)->AnyZero());
        EXPECT_FALSE(mat->ConstantValue()->Index(1)->Index(2)->AllZero());
        EXPECT_EQ(mat->ConstantValue()->Index(1)->Index(2)->As<f32>(), 6_f);
    }
    {
        auto* vec = Sem().Get(vec_expr);
        EXPECT_NE(vec, nullptr);
        auto* ty = vec->Type()->As<sem::Vector>();
        ASSERT_NE(vec->Type(), nullptr);
        EXPECT_TRUE(ty->type()->Is<sem::F32>());
        EXPECT_EQ(ty->Width(), 3u);
        EXPECT_EQ(vec->ConstantValue()->Type(), vec->Type());
        EXPECT_FALSE(vec->ConstantValue()->AllEqual());
        EXPECT_FALSE(vec->ConstantValue()->AnyZero());
        EXPECT_FALSE(vec->ConstantValue()->AllZero());

        EXPECT_TRUE(vec->ConstantValue()->Index(0)->AllEqual());
        EXPECT_FALSE(vec->ConstantValue()->Index(0)->AnyZero());
        EXPECT_FALSE(vec->ConstantValue()->Index(0)->AllZero());
        EXPECT_EQ(vec->ConstantValue()->Index(0)->As<f32>(), 1_f);

        EXPECT_TRUE(vec->ConstantValue()->Index(1)->AllEqual());
        EXPECT_FALSE(vec->ConstantValue()->Index(1)->AnyZero());
        EXPECT_FALSE(vec->ConstantValue()->Index(1)->AllZero());
        EXPECT_EQ(vec->ConstantValue()->Index(1)->As<f32>(), 2_f);

        EXPECT_TRUE(vec->ConstantValue()->Index(2)->AllEqual());
        EXPECT_FALSE(vec->ConstantValue()->Index(2)->AnyZero());
        EXPECT_FALSE(vec->ConstantValue()->Index(2)->AllZero());
        EXPECT_EQ(vec->ConstantValue()->Index(2)->As<f32>(), 3_f);
    }
    {
        auto* f = Sem().Get(f32_expr);
        EXPECT_NE(f, nullptr);
        EXPECT_TRUE(f->Type()->Is<sem::F32>());
        EXPECT_EQ(f->ConstantValue()->Type(), f->Type());
        EXPECT_TRUE(f->ConstantValue()->AllEqual());
        EXPECT_FALSE(f->ConstantValue()->AnyZero());
        EXPECT_FALSE(f->ConstantValue()->AllZero());
        EXPECT_EQ(f->ConstantValue()->As<f32>(), 3_f);
    }
}

////////////////////////////////////////////////////////////////////////////////////////////////////
// Member accessing
////////////////////////////////////////////////////////////////////////////////////////////////////

TEST_F(ResolverConstantsTest, MemberAccess) {
    Structure("Inner", {
                           Member("i1", ty.i32()),
                           Member("i2", ty.u32()),
                           Member("i3", ty.f32()),
                       });

    Structure("Outer", {
                           Member("o1", ty.type_name("Inner")),
                           Member("o2", ty.type_name("Inner")),
                       });
    auto* outer_expr = Construct(ty.type_name("Outer"),  //
                                 Construct(ty.type_name("Inner"), 1_i, 2_u, 3_f),
                                 Construct(ty.type_name("Inner")));
    auto* o1_expr = MemberAccessor(outer_expr, "o1");
    auto* i2_expr = MemberAccessor(o1_expr, "i2");
    WrapInFunction(i2_expr);

    EXPECT_TRUE(r()->Resolve()) << r()->error();

    auto* outer = Sem().Get(outer_expr);
    ASSERT_NE(outer, nullptr);
    auto* str = outer->Type()->As<sem::Struct>();
    ASSERT_NE(str, nullptr);
    EXPECT_EQ(str->Members().size(), 2u);
    ASSERT_NE(outer->ConstantValue(), nullptr);
    EXPECT_TYPE(outer->ConstantValue()->Type(), outer->Type());
    EXPECT_FALSE(outer->ConstantValue()->AllEqual());
    EXPECT_TRUE(outer->ConstantValue()->AnyZero());
    EXPECT_FALSE(outer->ConstantValue()->AllZero());

    auto* o1 = Sem().Get(o1_expr);
    ASSERT_NE(o1->ConstantValue(), nullptr);
    EXPECT_FALSE(o1->ConstantValue()->AllEqual());
    EXPECT_FALSE(o1->ConstantValue()->AnyZero());
    EXPECT_FALSE(o1->ConstantValue()->AllZero());
    EXPECT_TRUE(o1->ConstantValue()->Type()->Is<sem::Struct>());
    EXPECT_EQ(o1->ConstantValue()->Index(0)->As<i32>(), 1_i);
    EXPECT_EQ(o1->ConstantValue()->Index(1)->As<u32>(), 2_u);
    EXPECT_EQ(o1->ConstantValue()->Index(2)->As<f32>(), 3_f);

    auto* i2 = Sem().Get(i2_expr);
    ASSERT_NE(i2->ConstantValue(), nullptr);
    EXPECT_TRUE(i2->ConstantValue()->AllEqual());
    EXPECT_FALSE(i2->ConstantValue()->AnyZero());
    EXPECT_FALSE(i2->ConstantValue()->AllZero());
    EXPECT_TRUE(i2->ConstantValue()->Type()->Is<sem::U32>());
    EXPECT_EQ(i2->ConstantValue()->As<u32>(), 2_u);
}

}  // namespace
}  // namespace tint::resolver