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android_external_drm_hwcomp.../drm/DrmDisplayPipelineTest.cpp
Andrew Wolfers ec00b3dc25 drm_hwcomposer: Add PipelineBindable unit tests
Change-Id: Iada6f16cb3b72f38cbaad1b71b38c8ef201c4722
2025-10-02 15:06:16 +00:00

90 lines
3.4 KiB
C++

/*
* Copyright (C) 2025 The Android Open Source Project
*
* 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 <memory>
#include <gtest/gtest.h>
#include "DrmDisplayPipeline.h"
namespace android::drm_hwcomposer {
class NoOpBindable : public PipelineBindable<NoOpBindable> {};
class DrmDisplayPipelineTest : public ::testing::Test {};
TEST_F(DrmDisplayPipelineTest, BindPipeline_Success) {
const auto pipeline = std::make_unique<DrmDisplayPipeline>();
NoOpBindable bindable;
const auto binding = bindable.BindPipeline(pipeline.get(),
/*return_object_if_bound=*/true);
ASSERT_NE(binding, nullptr);
EXPECT_EQ(binding->Get()->GetPipeline(), pipeline.get());
EXPECT_EQ(binding->Get(), &bindable);
}
TEST_F(DrmDisplayPipelineTest, BindPipeline_SamePipelineReturnsSameBinding) {
const auto pipeline = std::make_unique<DrmDisplayPipeline>();
NoOpBindable bindable;
const auto binding1 = bindable.BindPipeline(pipeline.get(),
/*return_object_if_bound=*/true);
ASSERT_NE(binding1, nullptr);
EXPECT_EQ(binding1->Get()->GetPipeline(), pipeline.get());
EXPECT_EQ(binding1->Get(), &bindable);
const auto binding2 = bindable.BindPipeline(pipeline.get(),
/*return_object_if_bound=*/true);
EXPECT_EQ(binding1, binding2);
}
TEST_F(DrmDisplayPipelineTest,
BindPipeline_DifferentPipelineReturnsNullBinding) {
const auto pipeline1 = std::make_unique<DrmDisplayPipeline>();
const auto pipeline2 = std::make_unique<DrmDisplayPipeline>();
NoOpBindable bindable;
const auto binding1 = bindable.BindPipeline(pipeline1.get(),
/*return_object_if_bound=*/true);
ASSERT_NE(binding1, nullptr);
EXPECT_EQ(binding1->Get()->GetPipeline(), pipeline1.get());
EXPECT_EQ(binding1->Get(), &bindable);
const auto binding2 = bindable.BindPipeline(pipeline2.get(),
/*return_object_if_bound=*/true);
EXPECT_EQ(binding2, nullptr);
}
TEST_F(DrmDisplayPipelineTest,
BindPipeline_ReleasedBindingDoesntPreventNewBinding) {
const auto pipeline1 = std::make_unique<DrmDisplayPipeline>();
const auto pipeline2 = std::make_unique<DrmDisplayPipeline>();
NoOpBindable bindable;
auto binding1 = bindable.BindPipeline(pipeline1.get(),
/*return_object_if_bound=*/true);
ASSERT_NE(binding1, nullptr);
EXPECT_EQ(binding1->Get()->GetPipeline(), pipeline1.get());
EXPECT_EQ(binding1->Get(), &bindable);
binding1.reset();
const auto binding2 = bindable.BindPipeline(pipeline2.get(),
/*return_object_if_bound=*/true);
ASSERT_NE(binding2, nullptr);
EXPECT_EQ(binding2->Get()->GetPipeline(), pipeline2.get());
EXPECT_EQ(binding2->Get(), &bindable);
}
} // namespace android::drm_hwcomposer