src/tint/resolver/const_eval_indexing_test.cc - dawn - Git at Google

 // Copyright 2022 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/const_eval_test.h"

 using namespace tint::number_suffixes;  // NOLINT

 namespace tint::resolver {
 namespace {

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

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

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

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

 TEST_F(ResolverConstEvalTest, 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(ResolverConstEvalTest, 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(ResolverConstEvalTest, 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(ResolverConstEvalTest, 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(ResolverConstEvalTest, 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_FALSE(r()->Resolve()) << r()->error();
     EXPECT_EQ(r()->error(), "12:34 error: index 3 out of bounds [0..2]");
 }

 TEST_F(ResolverConstEvalTest, 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_FALSE(r()->Resolve()) << r()->error();
     EXPECT_EQ(r()->error(), "12:34 error: index -3 out of bounds [0..2]");
 }

 TEST_F(ResolverConstEvalTest, 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(ResolverConstEvalTest, 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_FALSE(r()->Resolve()) << r()->error();
     EXPECT_EQ(r()->error(), "12:34 error: index 2 out of bounds [0..1]");
 }

 TEST_F(ResolverConstEvalTest, 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_FALSE(r()->Resolve()) << r()->error();
     EXPECT_EQ(r()->error(), "12:34 error: index -2 out of bounds [0..1]");
 }

 TEST_F(ResolverConstEvalTest, RuntimeArray_vec3_f32_Index_OOB_Low) {
     auto* sb = GlobalVar("sb", ty.array(ty.vec3<f32>()), Group(0_a), Binding(0_a),
                          ast::AddressSpace::kStorage);
     auto* expr = IndexAccessor(sb, Expr(Source{{12, 34}}, -2_i));
     WrapInFunction(expr);

     EXPECT_FALSE(r()->Resolve()) << r()->error();
     EXPECT_EQ(r()->error(), "12:34 error: index -2 out of bounds");
 }

 TEST_F(ResolverConstEvalTest, 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);
     }
 }
 }  // namespace
 }  // namespace tint::resolver
	// Copyright 2022 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/const_eval_test.h"

	using namespace tint::number_suffixes; // NOLINT

	namespace tint::resolver {
	namespace {

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

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

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

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

	TEST_F(ResolverConstEvalTest, 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(ResolverConstEvalTest, 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(ResolverConstEvalTest, 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(ResolverConstEvalTest, 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(ResolverConstEvalTest, 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_FALSE(r()->Resolve()) << r()->error();
	EXPECT_EQ(r()->error(), "12:34 error: index 3 out of bounds [0..2]");
	}

	TEST_F(ResolverConstEvalTest, 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_FALSE(r()->Resolve()) << r()->error();
	EXPECT_EQ(r()->error(), "12:34 error: index -3 out of bounds [0..2]");
	}

	TEST_F(ResolverConstEvalTest, 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(ResolverConstEvalTest, 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_FALSE(r()->Resolve()) << r()->error();
	EXPECT_EQ(r()->error(), "12:34 error: index 2 out of bounds [0..1]");
	}

	TEST_F(ResolverConstEvalTest, 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_FALSE(r()->Resolve()) << r()->error();
	EXPECT_EQ(r()->error(), "12:34 error: index -2 out of bounds [0..1]");
	}

	TEST_F(ResolverConstEvalTest, RuntimeArray_vec3_f32_Index_OOB_Low) {
	auto* sb = GlobalVar("sb", ty.array(ty.vec3<f32>()), Group(0_a), Binding(0_a),
	ast::AddressSpace::kStorage);
	auto* expr = IndexAccessor(sb, Expr(Source{{12, 34}}, -2_i));
	WrapInFunction(expr);

	EXPECT_FALSE(r()->Resolve()) << r()->error();
	EXPECT_EQ(r()->error(), "12:34 error: index -2 out of bounds");
	}

	TEST_F(ResolverConstEvalTest, 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);
	}
	}
	} // namespace
	} // namespace tint::resolver