mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-23 20:20:06 +00:00
94dc66b74d
This change will replace a number of the std::vector<std::unique_ptr<Instruction>> member of the module to InstructionList. This is for consistency and to make it easier to delete instructions that are no longer needed.
113 lines
4.2 KiB
C++
113 lines
4.2 KiB
C++
// Copyright (c) 2017 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <algorithm>
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#include <memory>
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#include <vector>
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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#include "opt/instruction.h"
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#include "opt/instruction_list.h"
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namespace {
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using Instruction = spvtools::ir::Instruction;
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using InstructionList = spvtools::ir::InstructionList;
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using ::testing::ContainerEq;
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using ::testing::ElementsAre;
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using InstructionListTest = ::testing::Test;
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// A class that overrides the destructor, so we can trace it.
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class TestInstruction : public Instruction {
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public:
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TestInstruction() : Instruction() { created_instructions_.push_back(this); }
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~TestInstruction() { deleted_instructions_.push_back(this); }
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static std::vector<TestInstruction*> created_instructions_;
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static std::vector<TestInstruction*> deleted_instructions_;
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};
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std::vector<TestInstruction*> TestInstruction::created_instructions_;
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std::vector<TestInstruction*> TestInstruction::deleted_instructions_;
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// Test that the destructor for InstructionList is calling the destructor
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// for every element that is in the list.
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TEST(InstructionListTest, Destructor) {
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InstructionList* list = new InstructionList();
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list->push_back(std::unique_ptr<Instruction>(new Instruction()));
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list->push_back(std::unique_ptr<Instruction>(new Instruction()));
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delete list;
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// Sorting because we do not care if the order of create and destruction is
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// the same. Using generic sort just incase things are changed above.
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std::sort(TestInstruction::created_instructions_.begin(),
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TestInstruction::created_instructions_.end());
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std::sort(TestInstruction::deleted_instructions_.begin(),
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TestInstruction::deleted_instructions_.end());
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EXPECT_THAT(TestInstruction::created_instructions_,
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ContainerEq(TestInstruction::deleted_instructions_));
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}
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// Test the |InsertBefore| with a single instruction in the iterator class.
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// Need to make sure the elements are inserted in the correct order, and the
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// return value points to the correct location.
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//
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// Comparing addresses to make sure they remain stable, so other data structures
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// can have pointers to instructions in InstructionList.
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TEST(InstructionListTest, InsertBefore1) {
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InstructionList list;
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std::vector<Instruction*> inserted_instructions;
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for (int i = 0; i < 4; i++) {
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std::unique_ptr<Instruction> inst(new Instruction());
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inserted_instructions.push_back(inst.get());
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auto new_element = list.end().InsertBefore(std::move(inst));
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EXPECT_EQ(&*new_element, inserted_instructions.back());
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}
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std::vector<Instruction*> output;
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for (auto& i : list) {
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output.push_back(&i);
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}
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EXPECT_THAT(output, ContainerEq(inserted_instructions));
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}
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// Test inserting an entire vector of instructions using InsertBefore. Checking
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// the order of insertion and the return value.
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//
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// Comparing addresses to make sure they remain stable, so other data structures
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// can have pointers to instructions in InstructionList.
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TEST(InstructionListTest, InsertBefore2) {
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InstructionList list;
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std::vector<std::unique_ptr<Instruction>> new_instructions;
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std::vector<Instruction*> created_instructions;
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for (int i = 0; i < 4; i++) {
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std::unique_ptr<Instruction> inst(new Instruction());
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created_instructions.push_back(inst.get());
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new_instructions.push_back(std::move(inst));
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}
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auto new_element = list.begin().InsertBefore(std::move(new_instructions));
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EXPECT_TRUE(new_instructions.empty());
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EXPECT_EQ(&*new_element, created_instructions.front());
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std::vector<Instruction*> output;
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for (auto& i : list) {
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output.push_back(&i);
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}
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EXPECT_THAT(output, ContainerEq(created_instructions));
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}
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} // namespace
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