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/*
* Copyright (C) 2012 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 "BufferQueue_test"
//#define LOG_NDEBUG 0
#include <gtest/gtest.h>
#include <utils/String8.h>
#include <utils/threads.h>
#include <ui/GraphicBuffer.h>
#include <ui/FramebufferNativeWindow.h>
#include <gui/BufferQueue.h>
namespace android {
class BufferQueueTest : public ::testing::Test {
protected:
BufferQueueTest() {}
virtual void SetUp() {
const ::testing::TestInfo* const testInfo =
::testing::UnitTest::GetInstance()->current_test_info();
ALOGV("Begin test: %s.%s", testInfo->test_case_name(),
testInfo->name());
mBQ = new BufferQueue();
}
virtual void TearDown() {
mBQ.clear();
const ::testing::TestInfo* const testInfo =
::testing::UnitTest::GetInstance()->current_test_info();
ALOGV("End test: %s.%s", testInfo->test_case_name(),
testInfo->name());
}
void GetMinUndequeuedBufferCount(int* bufferCount) {
ASSERT_NE((void*)NULL, bufferCount);
ASSERT_EQ(OK, mBQ->query(NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, bufferCount));
ASSERT_LE(0, *bufferCount); // non-negative
}
sp<BufferQueue> mBQ;
};
struct DummyConsumer : public BnConsumerListener {
virtual void onFrameAvailable() {}
virtual void onBuffersReleased() {}
};
TEST_F(BufferQueueTest, AcquireBuffer_ExceedsMaxAcquireCount_Fails) {
sp<DummyConsumer> dc(new DummyConsumer);
mBQ->consumerConnect(dc, false);
IGraphicBufferProducer::QueueBufferOutput qbo;
mBQ->connect(NULL, NATIVE_WINDOW_API_CPU, false, &qbo);
mBQ->setBufferCount(4);
int slot;
sp<Fence> fence;
sp<GraphicBuffer> buf;
IGraphicBufferProducer::QueueBufferInput qbi(0, false, Rect(0, 0, 1, 1),
NATIVE_WINDOW_SCALING_MODE_FREEZE, 0, false, Fence::NO_FENCE);
BufferQueue::BufferItem item;
for (int i = 0; i < 2; i++) {
ASSERT_EQ(IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION,
mBQ->dequeueBuffer(&slot, &fence, false, 1, 1, 0,
GRALLOC_USAGE_SW_READ_OFTEN));
ASSERT_EQ(OK, mBQ->requestBuffer(slot, &buf));
ASSERT_EQ(OK, mBQ->queueBuffer(slot, qbi, &qbo));
ASSERT_EQ(OK, mBQ->acquireBuffer(&item, 0));
}
ASSERT_EQ(IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION,
mBQ->dequeueBuffer(&slot, &fence, false, 1, 1, 0,
GRALLOC_USAGE_SW_READ_OFTEN));
ASSERT_EQ(OK, mBQ->requestBuffer(slot, &buf));
ASSERT_EQ(OK, mBQ->queueBuffer(slot, qbi, &qbo));
// Acquire the third buffer, which should fail.
ASSERT_EQ(INVALID_OPERATION, mBQ->acquireBuffer(&item, 0));
}
TEST_F(BufferQueueTest, SetMaxAcquiredBufferCountWithIllegalValues_ReturnsError) {
sp<DummyConsumer> dc(new DummyConsumer);
mBQ->consumerConnect(dc, false);
int minBufferCount;
ASSERT_NO_FATAL_FAILURE(GetMinUndequeuedBufferCount(&minBufferCount));
EXPECT_EQ(BAD_VALUE, mBQ->setMaxAcquiredBufferCount(minBufferCount - 1));
EXPECT_EQ(BAD_VALUE, mBQ->setMaxAcquiredBufferCount(0));
EXPECT_EQ(BAD_VALUE, mBQ->setMaxAcquiredBufferCount(-3));
EXPECT_EQ(BAD_VALUE, mBQ->setMaxAcquiredBufferCount(
BufferQueue::MAX_MAX_ACQUIRED_BUFFERS+1));
EXPECT_EQ(BAD_VALUE, mBQ->setMaxAcquiredBufferCount(100));
}
TEST_F(BufferQueueTest, SetMaxAcquiredBufferCountWithLegalValues_Succeeds) {
sp<DummyConsumer> dc(new DummyConsumer);
mBQ->consumerConnect(dc, false);
int minBufferCount;
ASSERT_NO_FATAL_FAILURE(GetMinUndequeuedBufferCount(&minBufferCount));
EXPECT_EQ(OK, mBQ->setMaxAcquiredBufferCount(1));
EXPECT_EQ(OK, mBQ->setMaxAcquiredBufferCount(2));
EXPECT_EQ(OK, mBQ->setMaxAcquiredBufferCount(minBufferCount));
EXPECT_EQ(OK, mBQ->setMaxAcquiredBufferCount(
BufferQueue::MAX_MAX_ACQUIRED_BUFFERS));
}
} // namespace android
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