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// Copyright 2023 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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#include "src/tint/lang/core/ir/let.h"
#include "gmock/gmock.h"
#include "gtest/gtest-spi.h"
#include "src/tint/lang/core/ir/builder.h"
#include "src/tint/lang/core/ir/instruction.h"
#include "src/tint/lang/core/ir/ir_helper_test.h"
namespace tint::core::ir {
namespace {
using namespace tint::core::fluent_types; // NOLINT
using namespace tint::core::number_suffixes; // NOLINT
using IR_LetTest = IRTestHelper;
TEST_F(IR_LetTest, Fail_NullValue) {
EXPECT_FATAL_FAILURE(
{
Module mod;
Builder b{mod};
ir::Value* value = nullptr;
b.Let("l", value);
},
"");
}
TEST_F(IR_LetTest, Results) {
auto* value = b.Constant(1_f);
auto* let = b.Let("l", value);
EXPECT_EQ(let->Results().Length(), 1u);
EXPECT_TRUE(let->Result(0)->Is<InstructionResult>());
EXPECT_EQ(let->Result(0)->Instruction(), let);
EXPECT_EQ(let->Result(0)->Type(), value->Type());
}
TEST_F(IR_LetTest, Clone) {
auto* value = b.Constant(4_f);
auto* let = b.Let("l", value);
auto* new_let = clone_ctx.Clone(let);
EXPECT_NE(let, new_let);
EXPECT_NE(nullptr, new_let->Result(0));
EXPECT_NE(let->Result(0), new_let->Result(0));
auto new_val = new_let->Value()->As<Constant>()->Value();
ASSERT_TRUE(new_val->Is<core::constant::Scalar<f32>>());
EXPECT_FLOAT_EQ(4_f, new_val->As<core::constant::Scalar<f32>>()->ValueAs<f32>());
EXPECT_EQ(std::string("l"), mod.NameOf(new_let).Name());
EXPECT_EQ(std::string("l"), mod.NameOf(new_let->Result(0)).Name());
}
} // namespace
} // namespace tint::core::ir