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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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// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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#include "gmock/gmock.h"
#include "src/tint/lang/core/ir/ir_helper_test.h"
namespace tint::core::ir {
namespace {
using namespace tint::core::number_suffixes; // NOLINT
using namespace tint::core::fluent_types; // NOLINT
using IR_OperandInstructionTest = IRTestHelper;
TEST_F(IR_OperandInstructionTest, Destroy) {
auto* block = b.Block();
auto* inst = b.Add(ty.i32(), 1_i, 2_i);
block->Append(inst);
auto* lhs = inst->LHS();
auto* rhs = inst->RHS();
EXPECT_EQ(inst->Block(), block);
EXPECT_THAT(lhs->Usages(), testing::ElementsAre(Usage{inst, 0u}));
EXPECT_THAT(rhs->Usages(), testing::ElementsAre(Usage{inst, 1u}));
EXPECT_TRUE(inst->Result(0)->Alive());
inst->Destroy();
EXPECT_EQ(inst->Block(), nullptr);
EXPECT_TRUE(lhs->Usages().IsEmpty());
EXPECT_TRUE(rhs->Usages().IsEmpty());
EXPECT_FALSE(inst->Result(0)->Alive());
}
TEST_F(IR_OperandInstructionTest, ClearOperands_WithNullOperand) {
auto* block = b.Block();
// The var initializer is a nullptr
auto* inst = b.Var(ty.ptr<private_, f32>());
block->Append(inst);
inst->Destroy();
EXPECT_EQ(inst->Block(), nullptr);
EXPECT_FALSE(inst->Result(0)->Alive());
}
TEST_F(IR_OperandInstructionTest, SetOperands_WithNullOperand) {
auto* inst = b.Var(ty.ptr<private_, f32>());
Vector<Value*, 1> ops;
ops.Push(nullptr);
inst->SetOperands(ops);
}
} // namespace
} // namespace tint::core::ir