121 lines
4.1 KiB
C++
121 lines
4.1 KiB
C++
// Copyright 2022 The Android Open Source Project
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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 <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include "aemu/base/ManagedDescriptor.hpp"
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namespace android {
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namespace base {
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namespace {
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using ::testing::_;
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using ::testing::AtLeast;
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struct PlatformTraitTest {
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using DescriptorType = int;
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MOCK_METHOD(void, closeDescriptor, (DescriptorType));
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};
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using ManagedDescriptorForTesting = ManagedDescriptorBase<PlatformTraitTest>;
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TEST(ManagedDescriptorTest, ShouldCloseAnInitializedDescriptorOutOfScope) {
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PlatformTraitTest::DescriptorType rawDescriptor = 42;
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PlatformTraitTest platformTrait;
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{
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EXPECT_CALL(platformTrait, closeDescriptor(rawDescriptor)).Times(1);
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{ ManagedDescriptorForTesting descriptor(rawDescriptor, platformTrait); }
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}
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{
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EXPECT_CALL(platformTrait, closeDescriptor(rawDescriptor)).Times(1);
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{
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ManagedDescriptorForTesting descriptor(rawDescriptor, platformTrait);
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descriptor = ManagedDescriptorForTesting(platformTrait);
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}
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}
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}
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TEST(ManagedDescriptorTest, ShouldNotCloseForAnUninitializedDescriptorOutOfScope) {
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PlatformTraitTest platformTrait;
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EXPECT_CALL(platformTrait, closeDescriptor(_)).Times(0);
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{ ManagedDescriptorForTesting descriptor(platformTrait); }
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{
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ManagedDescriptorForTesting descriptor(42, platformTrait);
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descriptor.release();
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}
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}
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TEST(ManagedDescriptorTest, ShouldGetTheCorrectRawDescriptor) {
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PlatformTraitTest platformTrait;
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PlatformTraitTest::DescriptorType rawDescriptor = 42;
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EXPECT_CALL(platformTrait, closeDescriptor(_)).Times(AtLeast(1));
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{
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ManagedDescriptorForTesting descriptor(rawDescriptor, platformTrait);
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EXPECT_EQ(descriptor.release(), rawDescriptor);
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}
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{
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ManagedDescriptorForTesting descriptor(rawDescriptor, platformTrait);
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EXPECT_EQ(descriptor.get(), rawDescriptor);
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}
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{
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ManagedDescriptorForTesting descriptor(platformTrait);
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EXPECT_EQ(descriptor.release(), std::nullopt);
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}
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{
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ManagedDescriptorForTesting descriptor(platformTrait);
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EXPECT_EQ(descriptor.get(), std::nullopt);
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}
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}
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TEST(ManagedDescriptorTest, ShouldCloseOnceIfMoved) {
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PlatformTraitTest platformTrait;
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PlatformTraitTest::DescriptorType rawDescriptor = 42;
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{
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EXPECT_CALL(platformTrait, closeDescriptor(rawDescriptor)).Times(1);
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{
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ManagedDescriptorForTesting descriptor1(rawDescriptor, platformTrait),
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descriptor2(platformTrait);
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descriptor2 = std::move(descriptor1);
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}
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}
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{
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EXPECT_CALL(platformTrait, closeDescriptor(rawDescriptor)).Times(1);
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{
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ManagedDescriptorForTesting descriptor1(rawDescriptor, platformTrait);
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ManagedDescriptorForTesting descriptor2(std::move(descriptor1));
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}
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}
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{
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EXPECT_CALL(platformTrait, closeDescriptor(rawDescriptor)).Times(1);
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{
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ManagedDescriptorForTesting descriptor(rawDescriptor, platformTrait);
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descriptor = std::move(descriptor);
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}
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}
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{
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PlatformTraitTest::DescriptorType anotherRawDescriptor = 2871;
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EXPECT_CALL(platformTrait, closeDescriptor(rawDescriptor)).Times(1);
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EXPECT_CALL(platformTrait, closeDescriptor(anotherRawDescriptor)).Times(1);
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{
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ManagedDescriptorForTesting descriptor1(rawDescriptor, platformTrait);
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ManagedDescriptorForTesting descriptor2(anotherRawDescriptor, platformTrait);
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descriptor1 = std::move(descriptor2);
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}
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}
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}
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} // namespace
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} // namespace base
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} // namespace android
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