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/*
* Copyright 2019 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.
*/
#define LOG_TAG "ANativeWindow_test"
//#define LOG_NDEBUG 0
#include <gtest/gtest.h>
#include <gui/BufferItemConsumer.h>
#include <gui/BufferQueue.h>
#include <gui/Surface.h>
#include <log/log.h>
#include <sync/sync.h>
// We need to use the private system apis since not everything is visible to
// apexes yet.
#include <system/window.h>
using namespace android;
class TestableSurface final : public Surface {
public:
explicit TestableSurface(const sp<IGraphicBufferProducer>& bufferProducer)
: Surface(bufferProducer) {}
// Exposes the internal last dequeue duration that's stored on the Surface.
nsecs_t getLastDequeueDuration() const { return mLastDequeueDuration; }
// Exposes the internal last queue duration that's stored on the Surface.
nsecs_t getLastQueueDuration() const { return mLastQueueDuration; }
// Exposes the internal last dequeue start time that's stored on the Surface.
nsecs_t getLastDequeueStartTime() const { return mLastDequeueStartTime; }
};
class ANativeWindowTest : public ::testing::Test {
protected:
void SetUp() override {
const ::testing::TestInfo* const test_info =
::testing::UnitTest::GetInstance()->current_test_info();
ALOGV("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
BufferQueue::createBufferQueue(&mProducer, &mConsumer);
mItemConsumer = new BufferItemConsumer(mConsumer, GRALLOC_USAGE_SW_READ_OFTEN);
mWindow = new TestableSurface(mProducer);
const int success = native_window_api_connect(mWindow.get(), NATIVE_WINDOW_API_CPU);
EXPECT_EQ(0, success);
}
void TearDown() override {
const ::testing::TestInfo* const test_info =
::testing::UnitTest::GetInstance()->current_test_info();
ALOGV("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
const int success = native_window_api_disconnect(mWindow.get(), NATIVE_WINDOW_API_CPU);
EXPECT_EQ(0, success);
}
sp<IGraphicBufferProducer> mProducer;
sp<IGraphicBufferConsumer> mConsumer;
sp<BufferItemConsumer> mItemConsumer;
sp<TestableSurface> mWindow;
};
TEST_F(ANativeWindowTest, getLastDequeueDuration_noDequeue_returnsZero) {
int result = ANativeWindow_getLastDequeueDuration(mWindow.get());
EXPECT_EQ(0, result);
EXPECT_EQ(0, mWindow->getLastDequeueDuration());
}
TEST_F(ANativeWindowTest, getLastDequeueDuration_withDequeue_returnsTime) {
ANativeWindowBuffer* buffer;
int fd;
int result = ANativeWindow_dequeueBuffer(mWindow.get(), &buffer, &fd);
close(fd);
EXPECT_EQ(0, result);
result = ANativeWindow_getLastDequeueDuration(mWindow.get());
EXPECT_GT(result, 0);
EXPECT_EQ(result, mWindow->getLastDequeueDuration());
}
TEST_F(ANativeWindowTest, getLastQueueDuration_noDequeue_returnsZero) {
int result = ANativeWindow_getLastQueueDuration(mWindow.get());
EXPECT_EQ(0, result);
EXPECT_EQ(0, mWindow->getLastQueueDuration());
}
TEST_F(ANativeWindowTest, getLastQueueDuration_noQueue_returnsZero) {
ANativeWindowBuffer* buffer;
int fd;
int result = ANativeWindow_dequeueBuffer(mWindow.get(), &buffer, &fd);
close(fd);
EXPECT_EQ(0, result);
result = ANativeWindow_getLastQueueDuration(mWindow.get());
EXPECT_EQ(result, 0);
EXPECT_EQ(result, mWindow->getLastQueueDuration());
}
TEST_F(ANativeWindowTest, getLastQueueDuration_withQueue_returnsTime) {
ANativeWindowBuffer* buffer;
int fd;
int result = ANativeWindow_dequeueBuffer(mWindow.get(), &buffer, &fd);
close(fd);
EXPECT_EQ(0, result);
result = ANativeWindow_queueBuffer(mWindow.get(), buffer, 0);
result = ANativeWindow_getLastQueueDuration(mWindow.get());
EXPECT_GT(result, 0);
EXPECT_EQ(result, mWindow->getLastQueueDuration());
}
TEST_F(ANativeWindowTest, getLastDequeueStartTime_noDequeue_returnsZero) {
int64_t result = ANativeWindow_getLastDequeueStartTime(mWindow.get());
EXPECT_EQ(0, result);
EXPECT_EQ(0, mWindow->getLastQueueDuration());
}
TEST_F(ANativeWindowTest, getLastDequeueStartTime_withDequeue_returnsTime) {
ANativeWindowBuffer* buffer;
int fd;
int dequeueResult = ANativeWindow_dequeueBuffer(mWindow.get(), &buffer, &fd);
close(fd);
EXPECT_EQ(0, dequeueResult);
int64_t result = ANativeWindow_getLastDequeueStartTime(mWindow.get());
EXPECT_GT(result, 0);
EXPECT_EQ(result, mWindow->getLastDequeueStartTime());
}
TEST_F(ANativeWindowTest, setDequeueTimeout_causesDequeueTimeout) {
nsecs_t timeout = milliseconds_to_nanoseconds(100);
int result = ANativeWindow_setDequeueTimeout(mWindow.get(), timeout);
EXPECT_EQ(0, result);
// The two dequeues should not timeout...
ANativeWindowBuffer* buffer;
int fd;
int dequeueResult = ANativeWindow_dequeueBuffer(mWindow.get(), &buffer, &fd);
close(fd);
EXPECT_EQ(0, dequeueResult);
int queueResult = ANativeWindow_queueBuffer(mWindow.get(), buffer, -1);
EXPECT_EQ(0, queueResult);
dequeueResult = ANativeWindow_dequeueBuffer(mWindow.get(), &buffer, &fd);
close(fd);
EXPECT_EQ(0, dequeueResult);
queueResult = ANativeWindow_queueBuffer(mWindow.get(), buffer, -1);
EXPECT_EQ(0, queueResult);
// ...but the third one should since the queue depth is too deep.
nsecs_t start = systemTime(SYSTEM_TIME_MONOTONIC);
dequeueResult = ANativeWindow_dequeueBuffer(mWindow.get(), &buffer, &fd);
nsecs_t end = systemTime(SYSTEM_TIME_MONOTONIC);
close(fd);
EXPECT_EQ(TIMED_OUT, dequeueResult);
EXPECT_GE(end - start, timeout);
}
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