From 0eafdbba49227560652325d551b05fff0f374cbc Mon Sep 17 00:00:00 2001 From: dvdli Date: Mon, 16 Nov 2020 17:07:04 +0800 Subject: add unit tests for pcm_* functions --- tests/src/pcm_out_test.cc | 216 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 216 insertions(+) create mode 100644 tests/src/pcm_out_test.cc (limited to 'tests/src/pcm_out_test.cc') diff --git a/tests/src/pcm_out_test.cc b/tests/src/pcm_out_test.cc new file mode 100644 index 0000000..5939565 --- /dev/null +++ b/tests/src/pcm_out_test.cc @@ -0,0 +1,216 @@ +/* pcm_out_test.c +** +** Copyright 2020, The Android Open Source Project +** +** Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in the +** documentation and/or other materials provided with the distribution. +** * Neither the name of The Android Open Source Project nor the names of +** its contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** THIS SOFTWARE IS PROVIDED BY The Android Open Source Project ``AS IS'' AND +** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +** ARE DISCLAIMED. IN NO EVENT SHALL The Android Open Source Project BE LIABLE +** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +** LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +** OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH +** DAMAGE. +*/ +#include "pcm_test_device.h" + +#include +#include +#include + +#include + +#include "tinyalsa/pcm.h" + +namespace tinyalsa { +namespace testing { + +class PcmOutTest : public ::testing::Test { + protected: + PcmOutTest() : pcm_object(nullptr) {} + virtual ~PcmOutTest() = default; + + virtual void SetUp() override { + pcm_object = pcm_open(kLoopbackCard, kLoopbackPlaybackDevice, PCM_OUT, &kDefaultConfig); + ASSERT_NE(pcm_object, nullptr); + ASSERT_TRUE(pcm_is_ready(pcm_object)); + } + + virtual void TearDown() override { + ASSERT_EQ(pcm_close(pcm_object), 0); + } + + static constexpr unsigned int kDefaultChannels = 2; + static constexpr unsigned int kDefaultSamplingRate = 48000; + static constexpr unsigned int kDefaultPeriodSize = 1024; + static constexpr unsigned int kDefaultPeriodCount = 3; + static constexpr pcm_config kDefaultConfig = { + .channels = kDefaultChannels, + .rate = kDefaultSamplingRate, + .period_size = kDefaultPeriodSize, + .period_count = kDefaultPeriodCount, + .format = PCM_FORMAT_S16_LE, + .start_threshold = kDefaultPeriodSize, + .stop_threshold = kDefaultPeriodSize * kDefaultPeriodCount, + .silence_threshold = 0, + .silence_size = 0, + }; + + pcm* pcm_object; +}; + +TEST_F(PcmOutTest, GetFileDescriptor) { + ASSERT_GT(pcm_get_file_descriptor(pcm_object), 0); +} + +TEST_F(PcmOutTest, GetChannels) { + ASSERT_EQ(pcm_get_channels(pcm_object), kDefaultConfig.channels); +} + +TEST_F(PcmOutTest, GetSamplingRate) { + ASSERT_EQ(pcm_get_rate(pcm_object), kDefaultConfig.rate); +} + +TEST_F(PcmOutTest, GetFormat) { + ASSERT_EQ(pcm_get_format(pcm_object), kDefaultConfig.format); + +} + +TEST_F(PcmOutTest, GetErrorMessage) { + ASSERT_STREQ(pcm_get_error(pcm_object), ""); +} + +TEST_F(PcmOutTest, GetConfig) { + ASSERT_EQ(pcm_get_config(nullptr), nullptr); + ASSERT_EQ(std::memcmp(pcm_get_config(pcm_object), &kDefaultConfig, sizeof(pcm_config)), 0); +} + +TEST_F(PcmOutTest, SetConfig) { + ASSERT_EQ(pcm_set_config(nullptr, nullptr), -EFAULT); + ASSERT_EQ(pcm_set_config(pcm_object, nullptr), 0); +} + +TEST_F(PcmOutTest, GetBufferSize) { + unsigned int buffer_size = pcm_get_buffer_size(pcm_object); + ASSERT_EQ(buffer_size, kDefaultConfig.period_count * kDefaultConfig.period_size); +} + +TEST_F(PcmOutTest, FramesBytesConvert) { + unsigned int bytes = pcm_frames_to_bytes(pcm_object, 1); + ASSERT_EQ(bytes, pcm_format_to_bits(kDefaultConfig.format) / 8 * kDefaultConfig.channels); + + unsigned int frames = pcm_bytes_to_frames(pcm_object, bytes + 1); + ASSERT_EQ(frames, 1); +} + +TEST_F(PcmOutTest, GetAvailableAndTimestamp) { + unsigned int available = 0; + timespec time = { 0 }; + + ASSERT_LT(pcm_get_htimestamp(nullptr, nullptr, nullptr), 0); + + ASSERT_EQ(pcm_get_htimestamp(pcm_object, &available, &time), 0); + ASSERT_NE(available, 0); + // ASSERT_NE(time.tv_nsec | time.tv_sec, 0); +} + +TEST_F(PcmOutTest, GetSubdevice) { + ASSERT_EQ(pcm_get_subdevice(pcm_object), 0); +} + +TEST_F(PcmOutTest, Readi) { + size_t buffer_size = pcm_frames_to_bytes(pcm_object, kDefaultConfig.period_size); + auto buffer = std::make_unique(buffer_size); + + unsigned int frames = pcm_bytes_to_frames(pcm_object, buffer_size); + ASSERT_EQ(pcm_readi(pcm_object, buffer.get(), frames), -EINVAL); +} + +TEST_F(PcmOutTest, Writei) { + constexpr uint32_t write_count = 20; + + size_t buffer_size = pcm_frames_to_bytes(pcm_object, kDefaultConfig.period_size); + auto buffer = std::make_unique(buffer_size); + for (uint32_t i = 0; i < buffer_size; ++i) { + buffer[i] = static_cast(i); + } + + int written_frames = 0; + unsigned int frames = pcm_bytes_to_frames(pcm_object, buffer_size); + auto start = std::chrono::steady_clock::now(); + for (uint32_t i = 0; i < write_count; ++i) { + written_frames = pcm_writei(pcm_object, buffer.get(), frames); + ASSERT_EQ(written_frames, frames); + } + + std::chrono::duration difference = std::chrono::steady_clock::now() - start; + std::chrono::milliseconds expected_elapsed_time_ms(frames * + (write_count - kDefaultConfig.period_count) / (kDefaultConfig.rate / 1000)); + + std::cout << difference.count() << std::endl; + std::cout << expected_elapsed_time_ms.count() << std::endl; + + ASSERT_NEAR(difference.count() * 1000, expected_elapsed_time_ms.count(), 100); +} + +class PcmOutMmapTest : public PcmOutTest { + protected: + PcmOutMmapTest() = default; + ~PcmOutMmapTest() = default; + + virtual void SetUp() override { + pcm_object = pcm_open(kLoopbackCard, kLoopbackPlaybackDevice, PCM_OUT | PCM_MMAP, + &kDefaultConfig); + ASSERT_NE(pcm_object, nullptr); + ASSERT_TRUE(pcm_is_ready(pcm_object)); + } + + virtual void TearDown() override { + ASSERT_EQ(pcm_close(pcm_object), 0); + } +}; + +TEST_F(PcmOutMmapTest, Write) { + constexpr uint32_t write_count = 20; + + size_t buffer_size = pcm_frames_to_bytes(pcm_object, kDefaultConfig.period_size); + auto buffer = std::make_unique(buffer_size); + for (uint32_t i = 0; i < buffer_size; ++i) { + buffer[i] = static_cast(i); + } + + int written_frames = 0; + unsigned int frames = pcm_bytes_to_frames(pcm_object, buffer_size); + pcm_start(pcm_object); + auto start = std::chrono::steady_clock::now(); + for (uint32_t i = 0; i < write_count; ++i) { + written_frames = pcm_mmap_write(pcm_object, buffer.get(), buffer_size); + ASSERT_EQ(written_frames, frames); + } + pcm_stop(pcm_object); + + std::chrono::duration difference = std::chrono::steady_clock::now() - start; + std::chrono::milliseconds expected_elapsed_time_ms(frames * + (write_count - kDefaultConfig.period_count) / (kDefaultConfig.rate / 1000)); + + std::cout << difference.count() << std::endl; + std::cout << expected_elapsed_time_ms.count() << std::endl; + + ASSERT_NEAR(difference.count() * 1000, expected_elapsed_time_ms.count(), 100); +} + +} // namespace testing +} // namespace tinyalse -- cgit v1.2.3 From 69d41f144ad82d652f148c303a168cd07d222d41 Mon Sep 17 00:00:00 2001 From: dvdli Date: Wed, 2 Dec 2020 15:20:20 +0800 Subject: fix typo, add comments to describe the tests and fix the loopback test --- tests/src/pcm_out_test.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'tests/src/pcm_out_test.cc') diff --git a/tests/src/pcm_out_test.cc b/tests/src/pcm_out_test.cc index 5939565..cbc6983 100644 --- a/tests/src/pcm_out_test.cc +++ b/tests/src/pcm_out_test.cc @@ -213,4 +213,4 @@ TEST_F(PcmOutMmapTest, Write) { } } // namespace testing -} // namespace tinyalse +} // namespace tinyalsa -- cgit v1.2.3