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/*
* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "rtc_base/swap_queue.h"
#include <cstdint>
#include <vector>
#include "test/gtest.h"
namespace webrtc {
namespace {
// Test parameter for the basic sample based SwapQueue Tests.
const size_t kChunkSize = 3;
// Queue item verification function for the vector test.
bool LengthVerifierFunction(const std::vector<int>& v) {
return v.size() == kChunkSize;
}
// Queue item verifier for the vector test.
class LengthVerifierFunctor {
public:
explicit LengthVerifierFunctor(size_t length) : length_(length) {}
bool operator()(const std::vector<int>& v) const {
return v.size() == length_;
}
private:
size_t length_;
};
} // anonymous namespace
TEST(SwapQueueTest, BasicOperation) {
std::vector<int> i(kChunkSize, 0);
SwapQueue<std::vector<int>> queue(2, i);
EXPECT_TRUE(queue.Insert(&i));
EXPECT_EQ(i.size(), kChunkSize);
EXPECT_TRUE(queue.Insert(&i));
EXPECT_EQ(i.size(), kChunkSize);
EXPECT_TRUE(queue.Remove(&i));
EXPECT_EQ(i.size(), kChunkSize);
EXPECT_TRUE(queue.Remove(&i));
EXPECT_EQ(i.size(), kChunkSize);
}
TEST(SwapQueueTest, FullQueue) {
SwapQueue<int> queue(2);
// Fill the queue.
int i = 0;
EXPECT_TRUE(queue.Insert(&i));
i = 1;
EXPECT_TRUE(queue.Insert(&i));
// Ensure that the value is not swapped when doing an Insert
// on a full queue.
i = 2;
EXPECT_FALSE(queue.Insert(&i));
EXPECT_EQ(i, 2);
// Ensure that the Insert didn't overwrite anything in the queue.
EXPECT_TRUE(queue.Remove(&i));
EXPECT_EQ(i, 0);
EXPECT_TRUE(queue.Remove(&i));
EXPECT_EQ(i, 1);
}
TEST(SwapQueueTest, EmptyQueue) {
SwapQueue<int> queue(2);
int i = 0;
EXPECT_FALSE(queue.Remove(&i));
EXPECT_TRUE(queue.Insert(&i));
EXPECT_TRUE(queue.Remove(&i));
EXPECT_FALSE(queue.Remove(&i));
}
TEST(SwapQueueTest, Clear) {
SwapQueue<int> queue(2);
int i = 0;
// Fill the queue.
EXPECT_TRUE(queue.Insert(&i));
EXPECT_TRUE(queue.Insert(&i));
// Ensure full queue.
EXPECT_FALSE(queue.Insert(&i));
// Empty the queue.
queue.Clear();
// Ensure that the queue is empty
EXPECT_FALSE(queue.Remove(&i));
// Ensure that the queue is no longer full.
EXPECT_TRUE(queue.Insert(&i));
}
TEST(SwapQueueTest, SuccessfulItemVerifyFunction) {
std::vector<int> template_element(kChunkSize);
SwapQueue<std::vector<int>,
SwapQueueItemVerifier<std::vector<int>, LengthVerifierFunction>>
queue(2, template_element);
std::vector<int> valid_chunk(kChunkSize, 0);
EXPECT_TRUE(queue.Insert(&valid_chunk));
EXPECT_EQ(valid_chunk.size(), kChunkSize);
EXPECT_TRUE(queue.Remove(&valid_chunk));
EXPECT_EQ(valid_chunk.size(), kChunkSize);
}
TEST(SwapQueueTest, SuccessfulItemVerifyFunctor) {
std::vector<int> template_element(kChunkSize);
LengthVerifierFunctor verifier(kChunkSize);
SwapQueue<std::vector<int>, LengthVerifierFunctor> queue(2, template_element,
verifier);
std::vector<int> valid_chunk(kChunkSize, 0);
EXPECT_TRUE(queue.Insert(&valid_chunk));
EXPECT_EQ(valid_chunk.size(), kChunkSize);
EXPECT_TRUE(queue.Remove(&valid_chunk));
EXPECT_EQ(valid_chunk.size(), kChunkSize);
}
#if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
TEST(SwapQueueDeathTest, UnsuccessfulItemVerifyFunctor) {
// Queue item verifier for the test.
auto minus_2_verifier = [](const int& i) { return i > -2; };
SwapQueue<int, decltype(minus_2_verifier)> queue(2, minus_2_verifier);
int valid_value = 1;
int invalid_value = -4;
EXPECT_TRUE(queue.Insert(&valid_value));
EXPECT_TRUE(queue.Remove(&valid_value));
EXPECT_DEATH((void)queue.Insert(&invalid_value), "");
}
TEST(SwapQueueDeathTest, UnSuccessfulItemVerifyInsert) {
std::vector<int> template_element(kChunkSize);
SwapQueue<std::vector<int>,
SwapQueueItemVerifier<std::vector<int>, &LengthVerifierFunction>>
queue(2, template_element);
std::vector<int> invalid_chunk(kChunkSize - 1, 0);
EXPECT_DEATH((void)queue.Insert(&invalid_chunk), "");
}
TEST(SwapQueueDeathTest, UnSuccessfulItemVerifyRemove) {
std::vector<int> template_element(kChunkSize);
SwapQueue<std::vector<int>,
SwapQueueItemVerifier<std::vector<int>, &LengthVerifierFunction>>
queue(2, template_element);
std::vector<int> invalid_chunk(kChunkSize - 1, 0);
std::vector<int> valid_chunk(kChunkSize, 0);
EXPECT_TRUE(queue.Insert(&valid_chunk));
EXPECT_EQ(valid_chunk.size(), kChunkSize);
EXPECT_DEATH((void)queue.Remove(&invalid_chunk), "");
}
#endif
TEST(SwapQueueTest, VectorContentTest) {
const size_t kQueueSize = 10;
const size_t kFrameLength = 160;
const size_t kDataLength = kQueueSize * kFrameLength;
std::vector<int16_t> buffer_reader(kFrameLength, 0);
std::vector<int16_t> buffer_writer(kFrameLength, 0);
SwapQueue<std::vector<int16_t>> queue(kQueueSize,
std::vector<int16_t>(kFrameLength));
std::vector<int16_t> samples(kDataLength);
for (size_t k = 0; k < kDataLength; k++) {
samples[k] = k % 9;
}
for (size_t k = 0; k < kQueueSize; k++) {
buffer_writer.clear();
buffer_writer.insert(buffer_writer.end(), &samples[0] + k * kFrameLength,
&samples[0] + (k + 1) * kFrameLength);
EXPECT_TRUE(queue.Insert(&buffer_writer));
}
for (size_t k = 0; k < kQueueSize; k++) {
EXPECT_TRUE(queue.Remove(&buffer_reader));
for (size_t j = 0; j < buffer_reader.size(); j++) {
EXPECT_EQ(buffer_reader[j], samples[k * kFrameLength + j]);
}
}
}
TEST(SwapQueueTest, ZeroSlotQueue) {
SwapQueue<int> queue(0);
int i = 42;
EXPECT_FALSE(queue.Insert(&i));
EXPECT_FALSE(queue.Remove(&i));
EXPECT_EQ(i, 42);
}
TEST(SwapQueueTest, OneSlotQueue) {
SwapQueue<int> queue(1);
int i = 42;
EXPECT_TRUE(queue.Insert(&i));
i = 43;
EXPECT_FALSE(queue.Insert(&i));
EXPECT_EQ(i, 43);
EXPECT_TRUE(queue.Remove(&i));
EXPECT_EQ(i, 42);
EXPECT_FALSE(queue.Remove(&i));
}
} // namespace webrtc
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