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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 "gmock/gmock.h"
#include "src/tint/ir/ir_test_helper.h"
namespace tint::ir {
namespace {
using namespace tint::number_suffixes; // NOLINT
using namespace tint::builtin::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()->Alive());
inst->Destroy();
EXPECT_EQ(inst->Block(), nullptr);
EXPECT_TRUE(lhs->Usages().IsEmpty());
EXPECT_TRUE(rhs->Usages().IsEmpty());
EXPECT_FALSE(inst->Result()->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()->Alive());
}
TEST_F(IR_OperandInstructionTest, SetOperands_WithNullOperand) {
auto* inst = b.Var(ty.ptr<private_, f32>());
utils::Vector<Value*, 1> ops;
ops.Push(nullptr);
inst->SetOperands(ops);
}
} // namespace
} // namespace tint::ir