mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-12-05 09:08:28 -05:00
228 lines
5.8 KiB
C++
Executable File
228 lines
5.8 KiB
C++
Executable File
/*
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* Copyright © 2016 Mozilla Foundation
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*
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* This program is made available under an ISC-style license. See the
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* accompanying file LICENSE for details.
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*/
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#define NOMINMAX
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#include "gtest/gtest.h"
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#include "cubeb_ringbuffer.h"
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#include <iostream>
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#include <thread>
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#include <chrono>
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/* Generate a monotonically increasing sequence of numbers. */
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template<typename T>
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class sequence_generator
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{
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public:
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sequence_generator(size_t channels)
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: channels(channels)
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{ }
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void get(T * elements, size_t frames)
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{
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for (size_t i = 0; i < frames; i++) {
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for (size_t c = 0; c < channels; c++) {
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elements[i * channels + c] = static_cast<T>(index_);
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}
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index_++;
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}
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}
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void rewind(size_t frames)
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{
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index_ -= frames;
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}
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private:
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size_t index_ = 0;
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size_t channels = 0;
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};
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/* Checks that a sequence is monotonically increasing. */
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template<typename T>
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class sequence_verifier
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{
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public:
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sequence_verifier(size_t channels)
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: channels(channels)
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{ }
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void check(T * elements, size_t frames)
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{
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for (size_t i = 0; i < frames; i++) {
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for (size_t c = 0; c < channels; c++) {
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if (elements[i * channels + c] != static_cast<T>(index_)) {
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std::cerr << "Element " << i << " is different. Expected "
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<< static_cast<T>(index_) << ", got " << elements[i]
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<< ". (channel count: " << channels << ")." << std::endl;
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ASSERT_TRUE(false);
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}
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}
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index_++;
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}
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}
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private:
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size_t index_ = 0;
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size_t channels = 0;
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};
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template<typename T>
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void test_ring(lock_free_audio_ring_buffer<T>& buf, int channels, int capacity_frames)
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{
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std::unique_ptr<T[]> seq(new T[capacity_frames * channels]);
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sequence_generator<T> gen(channels);
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sequence_verifier<T> checker(channels);
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int iterations = 1002;
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const int block_size = 128;
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while(iterations--) {
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gen.get(seq.get(), block_size);
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int rv = buf.enqueue(seq.get(), block_size);
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ASSERT_EQ(rv, block_size);
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PodZero(seq.get(), block_size);
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rv = buf.dequeue(seq.get(), block_size);
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ASSERT_EQ(rv, block_size);
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checker.check(seq.get(), block_size);
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}
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}
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template<typename T>
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void test_ring_multi(lock_free_audio_ring_buffer<T>& buf, int channels, int capacity_frames)
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{
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sequence_verifier<T> checker(channels);
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std::unique_ptr<T[]> out_buffer(new T[capacity_frames * channels]);
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const int block_size = 128;
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std::thread t([=, &buf] {
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int iterations = 1002;
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std::unique_ptr<T[]> in_buffer(new T[capacity_frames * channels]);
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sequence_generator<T> gen(channels);
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while(iterations--) {
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std::this_thread::yield();
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gen.get(in_buffer.get(), block_size);
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int rv = buf.enqueue(in_buffer.get(), block_size);
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ASSERT_TRUE(rv <= block_size);
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if (rv != block_size) {
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gen.rewind(block_size - rv);
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}
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}
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});
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int remaining = 1002;
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while(remaining--) {
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std::this_thread::yield();
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int rv = buf.dequeue(out_buffer.get(), block_size);
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ASSERT_TRUE(rv <= block_size);
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checker.check(out_buffer.get(), rv);
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}
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t.join();
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}
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template<typename T>
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void basic_api_test(T& ring)
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{
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ASSERT_EQ(ring.capacity(), 128);
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ASSERT_EQ(ring.available_read(), 0);
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ASSERT_EQ(ring.available_write(), 128);
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int rv = ring.enqueue_default(63);
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ASSERT_TRUE(rv == 63);
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ASSERT_EQ(ring.available_read(), 63);
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ASSERT_EQ(ring.available_write(), 65);
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rv = ring.enqueue_default(65);
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ASSERT_EQ(rv, 65);
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ASSERT_EQ(ring.available_read(), 128);
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ASSERT_EQ(ring.available_write(), 0);
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rv = ring.dequeue(nullptr, 63);
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ASSERT_EQ(ring.available_read(), 65);
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ASSERT_EQ(ring.available_write(), 63);
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rv = ring.dequeue(nullptr, 65);
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ASSERT_EQ(ring.available_read(), 0);
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ASSERT_EQ(ring.available_write(), 128);
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}
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void test_reset_api() {
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const size_t ring_buffer_size = 128;
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const size_t enqueue_size = ring_buffer_size / 2;
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lock_free_queue<float> ring(ring_buffer_size);
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std::thread t([=, &ring] {
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std::unique_ptr<float[]> in_buffer(new float[enqueue_size]);
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ring.enqueue(in_buffer.get(), enqueue_size);
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});
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t.join();
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ring.reset_thread_ids();
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// Enqueue with a different thread. We have reset the thread ID
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// in the ring buffer, this should work.
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std::thread t2([=, &ring] {
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std::unique_ptr<float[]> in_buffer(new float[enqueue_size]);
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ring.enqueue(in_buffer.get(), enqueue_size);
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});
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t2.join();
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ASSERT_TRUE(true);
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}
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TEST(cubeb, ring_buffer)
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{
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/* Basic API test. */
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const int min_channels = 1;
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const int max_channels = 10;
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const int min_capacity = 199;
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const int max_capacity = 1277;
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const int capacity_increment = 27;
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lock_free_queue<float> q1(128);
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basic_api_test(q1);
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lock_free_queue<short> q2(128);
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basic_api_test(q2);
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for (size_t channels = min_channels; channels < max_channels; channels++) {
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lock_free_audio_ring_buffer<float> q3(channels, 128);
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basic_api_test(q3);
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lock_free_audio_ring_buffer<short> q4(channels, 128);
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basic_api_test(q4);
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}
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/* Single thread testing. */
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/* Test mono to 9.1 */
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for (size_t channels = min_channels; channels < max_channels; channels++) {
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/* Use non power-of-two numbers to catch edge-cases. */
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for (size_t capacity_frames = min_capacity;
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capacity_frames < max_capacity; capacity_frames+=capacity_increment) {
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lock_free_audio_ring_buffer<float> ring(channels, capacity_frames);
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test_ring(ring, channels, capacity_frames);
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}
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}
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/* Multi thread testing */
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for (size_t channels = min_channels; channels < max_channels; channels++) {
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/* Use non power-of-two numbers to catch edge-cases. */
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for (size_t capacity_frames = min_capacity;
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capacity_frames < max_capacity; capacity_frames+=capacity_increment) {
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lock_free_audio_ring_buffer<short> ring(channels, capacity_frames);
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test_ring_multi(ring, channels, capacity_frames);
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}
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}
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test_reset_api();
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}
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