mediapipe/mediapipe/framework/formats/image_frame_pool_test.cc
MediaPipe Team a908d668c7 Project import generated by Copybara.
GitOrigin-RevId: 4cee4a2c2317fb190680c17e31ebbb03bb73b71c
2020-09-17 11:09:17 -04:00

104 lines
3.2 KiB
C++

// Copyright 2019 The MediaPipe Authors.
//
// 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 "mediapipe/framework/formats/image_frame_pool.h"
#include "absl/memory/memory.h"
#include "mediapipe/framework/port/gmock.h"
#include "mediapipe/framework/port/gtest.h"
#include "mediapipe/framework/port/status.h"
namespace mediapipe {
namespace {
using Pair = std::pair<int, int>;
constexpr int kWidth = 300;
constexpr int kHeight = 200;
constexpr ImageFormat::Format kFormat = ImageFormat::SRGBA;
constexpr int kKeepCount = 2;
class ImageFramePoolTest : public ::testing::Test {
protected:
ImageFramePoolTest() {
pool_ = ImageFramePool::Create(kWidth, kHeight, kFormat, kKeepCount);
}
void SetUp() override {}
std::shared_ptr<ImageFramePool> pool_;
};
TEST_F(ImageFramePoolTest, GetBuffer) {
EXPECT_EQ(Pair(0, 0), pool_->GetInUseAndAvailableCounts());
auto buffer = pool_->GetBuffer();
EXPECT_EQ(Pair(1, 0), pool_->GetInUseAndAvailableCounts());
buffer = nullptr;
EXPECT_EQ(Pair(0, 1), pool_->GetInUseAndAvailableCounts());
buffer = pool_->GetBuffer();
EXPECT_EQ(Pair(1, 0), pool_->GetInUseAndAvailableCounts());
}
TEST_F(ImageFramePoolTest, GetMoreBuffers) {
EXPECT_EQ(Pair(0, 0), pool_->GetInUseAndAvailableCounts());
std::vector<ImageFrameSharedPtr> buffers;
// Create kKeepCount + 1 buffers
for (int i = 0; i <= kKeepCount; i++) {
buffers.emplace_back(pool_->GetBuffer());
}
EXPECT_EQ(Pair(kKeepCount + 1, 0), pool_->GetInUseAndAvailableCounts());
// Delete one
buffers.resize(kKeepCount);
EXPECT_EQ(Pair(kKeepCount, 0), pool_->GetInUseAndAvailableCounts());
// Delete all
buffers.resize(0);
EXPECT_EQ(Pair(0, kKeepCount), pool_->GetInUseAndAvailableCounts());
// Create one more
buffers.emplace_back(pool_->GetBuffer());
EXPECT_EQ(Pair(1, kKeepCount - 1), pool_->GetInUseAndAvailableCounts());
}
TEST_F(ImageFramePoolTest, DeleteNotLast) {
EXPECT_EQ(Pair(0, 0), pool_->GetInUseAndAvailableCounts());
std::vector<ImageFrameSharedPtr> buffers;
// Create kKeepCount + 1 buffers
for (int i = 0; i <= kKeepCount; i++) {
buffers.emplace_back(pool_->GetBuffer());
}
EXPECT_EQ(Pair(kKeepCount + 1, 0), pool_->GetInUseAndAvailableCounts());
// Delete second
buffers.erase(buffers.begin() + 1);
EXPECT_EQ(Pair(kKeepCount, 0), pool_->GetInUseAndAvailableCounts());
// Delete first
buffers.erase(buffers.begin());
EXPECT_EQ(Pair(kKeepCount - 1, 1), pool_->GetInUseAndAvailableCounts());
}
TEST(ImageFrameBufferPoolStaticTest, BufferCanOutlivePool) {
auto pool = ImageFramePool::Create(kWidth, kHeight, kFormat, kKeepCount);
auto buffer = pool->GetBuffer();
pool = nullptr;
buffer = nullptr;
}
} // anonymous namespace
} // namespace mediapipe