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// Copyright 2023 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/lang/core/constant/manager.h"
#include "gtest/gtest.h"
#include "src/tint/lang/core/constant/scalar.h"
#include "src/tint/lang/core/type/abstract_float.h"
#include "src/tint/lang/core/type/abstract_int.h"
#include "src/tint/lang/core/type/bool.h"
#include "src/tint/lang/core/type/f16.h"
#include "src/tint/lang/core/type/f32.h"
#include "src/tint/lang/core/type/i32.h"
#include "src/tint/lang/core/type/manager.h"
#include "src/tint/lang/core/type/u32.h"
namespace tint::core::constant {
namespace {
using namespace tint::core::number_suffixes; // NOLINT
template <typename T>
size_t count(const T& range_loopable) {
size_t n = 0;
for (auto it : range_loopable) {
(void)it;
n++;
}
return n;
}
using ManagerTest = testing::Test;
TEST_F(ManagerTest, GetUnregistered) {
constant::Manager cm;
auto* c = cm.Get(1_i);
static_assert(std::is_same_v<const Scalar<i32>*, decltype(c)>);
ASSERT_NE(c, nullptr);
}
TEST_F(ManagerTest, GetSameConstantReturnsSamePtr) {
constant::Manager cm;
auto* c1 = cm.Get(1_i);
static_assert(std::is_same_v<const Scalar<i32>*, decltype(c1)>);
ASSERT_NE(c1, nullptr);
auto* c2 = cm.Get(1_i);
static_assert(std::is_same_v<const Scalar<i32>*, decltype(c2)>);
EXPECT_EQ(c1, c2);
EXPECT_EQ(c1->Type(), c2->Type());
}
TEST_F(ManagerTest, GetDifferentTypeReturnsDifferentPtr) {
constant::Manager cm;
auto* c1 = cm.Get(1_i);
static_assert(std::is_same_v<const Scalar<i32>*, decltype(c1)>);
ASSERT_NE(c1, nullptr);
auto* c2 = cm.Get(1_u);
static_assert(std::is_same_v<const Scalar<u32>*, decltype(c2)>);
EXPECT_NE(static_cast<const Value*>(c1), static_cast<const Value*>(c2));
EXPECT_NE(c1->Type(), c2->Type());
}
TEST_F(ManagerTest, GetDifferentValueReturnsDifferentPtr) {
constant::Manager cm;
auto* c1 = cm.Get(1_i);
static_assert(std::is_same_v<const Scalar<i32>*, decltype(c1)>);
ASSERT_NE(c1, nullptr);
auto* c2 = cm.Get(2_i);
static_assert(std::is_same_v<const Scalar<i32>*, decltype(c2)>);
ASSERT_NE(c2, nullptr);
EXPECT_NE(c1, c2);
EXPECT_EQ(c1->Type(), c2->Type());
}
TEST_F(ManagerTest, Get_i32) {
constant::Manager cm;
auto* c = cm.Get(1_i);
static_assert(std::is_same_v<const Scalar<i32>*, decltype(c)>);
ASSERT_TRUE(Is<core::type::I32>(c->Type()));
EXPECT_EQ(c->value, 1_i);
}
TEST_F(ManagerTest, Get_u32) {
constant::Manager cm;
auto* c = cm.Get(1_u);
static_assert(std::is_same_v<const Scalar<u32>*, decltype(c)>);
ASSERT_TRUE(Is<core::type::U32>(c->Type()));
EXPECT_EQ(c->value, 1_u);
}
TEST_F(ManagerTest, Get_f32) {
constant::Manager cm;
auto* c = cm.Get(1_f);
static_assert(std::is_same_v<const Scalar<f32>*, decltype(c)>);
ASSERT_TRUE(Is<core::type::F32>(c->Type()));
EXPECT_EQ(c->value, 1_f);
}
TEST_F(ManagerTest, Get_f16) {
constant::Manager cm;
auto* c = cm.Get(1_h);
static_assert(std::is_same_v<const Scalar<f16>*, decltype(c)>);
ASSERT_TRUE(Is<core::type::F16>(c->Type()));
EXPECT_EQ(c->value, 1_h);
}
TEST_F(ManagerTest, Get_bool) {
constant::Manager cm;
auto* c = cm.Get(true);
static_assert(std::is_same_v<const Scalar<bool>*, decltype(c)>);
ASSERT_TRUE(Is<core::type::Bool>(c->Type()));
EXPECT_EQ(c->value, true);
}
TEST_F(ManagerTest, Get_AFloat) {
constant::Manager cm;
auto* c = cm.Get(1._a);
static_assert(std::is_same_v<const Scalar<AFloat>*, decltype(c)>);
ASSERT_TRUE(Is<core::type::AbstractFloat>(c->Type()));
EXPECT_EQ(c->value, 1._a);
}
TEST_F(ManagerTest, Get_AInt) {
constant::Manager cm;
auto* c = cm.Get(1_a);
static_assert(std::is_same_v<const Scalar<AInt>*, decltype(c)>);
ASSERT_TRUE(Is<core::type::AbstractInt>(c->Type()));
EXPECT_EQ(c->value, 1_a);
}
TEST_F(ManagerTest, WrapDoesntAffectInner_Constant) {
Manager inner;
Manager outer = Manager::Wrap(inner);
inner.Get(1_i);
EXPECT_EQ(count(inner), 1u);
EXPECT_EQ(count(outer), 0u);
outer.Get(1_i);
EXPECT_EQ(count(inner), 1u);
EXPECT_EQ(count(outer), 1u);
}
TEST_F(ManagerTest, WrapDoesntAffectInner_Types) {
Manager inner;
Manager outer = Manager::Wrap(inner);
inner.types.Get<core::type::I32>();
EXPECT_EQ(count(inner.types), 1u);
EXPECT_EQ(count(outer.types), 0u);
outer.types.Get<core::type::U32>();
EXPECT_EQ(count(inner.types), 1u);
EXPECT_EQ(count(outer.types), 1u);
}
} // namespace
} // namespace tint::core::constant