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_params_test.cc | 221 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 221 insertions(+) create mode 100644 tests/src/pcm_params_test.cc (limited to 'tests/src/pcm_params_test.cc') diff --git a/tests/src/pcm_params_test.cc b/tests/src/pcm_params_test.cc new file mode 100644 index 0000000..18c3c2c --- /dev/null +++ b/tests/src/pcm_params_test.cc @@ -0,0 +1,221 @@ +/* pcm_params_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 { + +static inline unsigned int OrAllBits(const pcm_mask *mask) { + unsigned int res = 0; + for (uint32_t i = 0; i < 32 / sizeof(unsigned int); ++i) { + res |= mask->bits[i]; + } + return res; +} + +TEST(PcmParamsTest, GetAndFreeParams) { + pcm_params *params = nullptr; + + // test to get nonexistent card and device. + params = pcm_params_get(1000, 1000, PCM_IN); + ASSERT_EQ(params, nullptr); + + // test free null params. + pcm_params_free(params); + + // assume that card 0, device 0 is always available. + params = pcm_params_get(0, 0, PCM_OUT); + ASSERT_NE(params, nullptr); + pcm_params_free(params); +} + +TEST(PcmParamsTest, GetParamsBitMask) { + // test to get mask with null params + ASSERT_EQ(pcm_params_get_mask(nullptr, PCM_PARAM_ACCESS), nullptr); + + // assume that card 0, device 0 is always available. + pcm_params *params = pcm_params_get(0, 0, PCM_OUT); + ASSERT_NE(params, nullptr); + + // test to get param which is not described in bit mask format + ASSERT_EQ(pcm_params_get_mask(params, PCM_PARAM_SAMPLE_BITS), nullptr); + + // test to get mask out of pcm_param enum + ASSERT_EQ(pcm_params_get_mask(params, static_cast(100)), nullptr); + + const pcm_mask *mask = pcm_params_get_mask(params, PCM_PARAM_ACCESS); + ASSERT_NE(mask, nullptr); + + pcm_params_free(params); +} + +TEST(PcmParamsTest, GetParamsInterval) { + // test to get interval with null params + ASSERT_EQ(pcm_params_get_min(nullptr, PCM_PARAM_SAMPLE_BITS), 0); + ASSERT_EQ(pcm_params_get_max(nullptr, PCM_PARAM_SAMPLE_BITS), 0); + + // assume that card 0, device 0 is always available. + pcm_params *params = pcm_params_get(0, 0, PCM_OUT); + ASSERT_NE(params, nullptr); + + // test to get param which is not described in interval format + ASSERT_EQ(pcm_params_get_min(params, PCM_PARAM_ACCESS), 0); + ASSERT_EQ(pcm_params_get_max(params, PCM_PARAM_ACCESS), 0); + + // test to get interval out of pcm_param enum + ASSERT_EQ(pcm_params_get_min(params, static_cast(100)), 0); + ASSERT_EQ(pcm_params_get_max(params, static_cast(100)), 0); + + pcm_params_free(params); +} + +TEST(PcmParamsTest, ParamsToString) { + // assume that card 0, device 0 is always available. + pcm_params *params = pcm_params_get(0, 0, PCM_OUT); + ASSERT_NE(params, nullptr); + + char long_string[1024] = { 0 }; + int count = pcm_params_to_string(params, long_string, sizeof(long_string)); + ASSERT_LE(static_cast(count), sizeof(long_string)); + ASSERT_GT(static_cast(count), 0); + + char short_string[1] = { 0 }; + count = pcm_params_to_string(params, short_string, sizeof(short_string)); + ASSERT_GT(static_cast(count), sizeof(short_string)); + + int proper_string_len = count; + int proper_string_size = proper_string_len + 1; + auto proper_string = std::make_unique(proper_string_size); + count = pcm_params_to_string(params, proper_string.get(), proper_string_size); + ASSERT_GT(static_cast(count), 0); + ASSERT_EQ(static_cast(count), proper_string_len); + ASSERT_EQ(std::strlen(proper_string.get()), proper_string_len); + pcm_params_free(params); +} + +TEST(PcmParamsTest, GetPlaybackDeviceParams) { + pcm_params *params = pcm_params_get(kLoopbackCard, kLoopbackPlaybackDevice, PCM_OUT); + ASSERT_NE(params, nullptr); + + const pcm_mask *access_mask = pcm_params_get_mask(params, PCM_PARAM_ACCESS); + ASSERT_NE(access_mask, nullptr); + ASSERT_NE(OrAllBits(access_mask), 0); + + const pcm_mask *format_mask = pcm_params_get_mask(params, PCM_PARAM_FORMAT); + ASSERT_NE(format_mask, nullptr); + ASSERT_NE(OrAllBits(format_mask), 0); + + const pcm_mask *subformat_mask = pcm_params_get_mask(params, PCM_PARAM_SUBFORMAT); + ASSERT_NE(subformat_mask, nullptr); + ASSERT_NE(OrAllBits(subformat_mask), 0); + + unsigned int sample_bits_min = pcm_params_get_min(params, PCM_PARAM_SAMPLE_BITS); + unsigned int sample_bits_max = pcm_params_get_max(params, PCM_PARAM_SAMPLE_BITS); + std::cout << "sample_bits: " << sample_bits_min << " - " << sample_bits_max << std::endl; + ASSERT_GT(sample_bits_min, 0); + ASSERT_GT(sample_bits_max, 0); + + unsigned int frame_bits_min = pcm_params_get_min(params, PCM_PARAM_FRAME_BITS); + unsigned int frame_bits_max = pcm_params_get_max(params, PCM_PARAM_FRAME_BITS); + std::cout << "frame_bits: " << frame_bits_min << " - " << frame_bits_max << std::endl; + ASSERT_GT(frame_bits_min, 0); + ASSERT_GT(frame_bits_max, 0); + + unsigned int channels_min = pcm_params_get_min(params, PCM_PARAM_CHANNELS); + unsigned int channels_max = pcm_params_get_max(params, PCM_PARAM_CHANNELS); + std::cout << "channels: " << channels_min << " - " << channels_max << std::endl; + ASSERT_GT(channels_min, 0); + ASSERT_GT(channels_max, 0); + + unsigned int sampling_rate_min = pcm_params_get_min(params, PCM_PARAM_RATE); + unsigned int sampling_rate_max = pcm_params_get_max(params, PCM_PARAM_RATE); + std::cout << "sampling_rate: " << sampling_rate_min << " - " << sampling_rate_max << std::endl; + ASSERT_GT(sampling_rate_min, 0); + ASSERT_GT(sampling_rate_max, 0); + + unsigned int period_time_min = pcm_params_get_min(params, PCM_PARAM_PERIOD_TIME); + unsigned int period_time_max = pcm_params_get_max(params, PCM_PARAM_PERIOD_TIME); + std::cout << "period_time: " << period_time_min << " - " << period_time_max << std::endl; + ASSERT_GT(period_time_min, 0); + ASSERT_GT(period_time_max, 0); + + unsigned int period_size_min = pcm_params_get_min(params, PCM_PARAM_PERIOD_SIZE); + unsigned int period_size_max = pcm_params_get_max(params, PCM_PARAM_PERIOD_SIZE); + std::cout << "period_size: " << period_size_min << " - " << period_size_max << std::endl; + ASSERT_GT(period_size_min, 0); + ASSERT_GT(period_size_max, 0); + + unsigned int period_bytes_min = pcm_params_get_min(params, PCM_PARAM_PERIOD_BYTES); + unsigned int period_bytes_max = pcm_params_get_max(params, PCM_PARAM_PERIOD_BYTES); + std::cout << "period_bytes: " << period_bytes_min << " - " << period_bytes_max << std::endl; + ASSERT_GT(period_bytes_min, 0); + ASSERT_GT(period_bytes_max, 0); + + unsigned int period_count_min = pcm_params_get_min(params, PCM_PARAM_PERIODS); + unsigned int period_count_max = pcm_params_get_max(params, PCM_PARAM_PERIODS); + std::cout << "period_count: " << period_count_min << " - " << period_count_max << std::endl; + ASSERT_GT(period_count_min, 0); + ASSERT_GT(period_count_max, 0); + + unsigned int buffer_time_min = pcm_params_get_min(params, PCM_PARAM_BUFFER_TIME); + unsigned int buffer_time_max = pcm_params_get_max(params, PCM_PARAM_BUFFER_TIME); + std::cout << "buffer_time: " << buffer_time_min << " - " << buffer_time_max << std::endl; + ASSERT_GT(buffer_time_min, 0); + ASSERT_GT(buffer_time_max, 0); + + unsigned int buffer_size_min = pcm_params_get_min(params, PCM_PARAM_BUFFER_SIZE); + unsigned int buffer_size_max = pcm_params_get_max(params, PCM_PARAM_BUFFER_SIZE); + std::cout << "buffer_size: " << buffer_size_min << " - " << buffer_size_max << std::endl; + ASSERT_GT(buffer_size_min, 0); + ASSERT_GT(buffer_size_max, 0); + + unsigned int buffer_bytes_min = pcm_params_get_min(params, PCM_PARAM_BUFFER_BYTES); + unsigned int buffer_bytes_max = pcm_params_get_max(params, PCM_PARAM_BUFFER_BYTES); + std::cout << "buffer_bytes: " << buffer_bytes_min << " - " << buffer_bytes_max << std::endl; + ASSERT_GT(buffer_bytes_min, 0); + ASSERT_GT(buffer_bytes_max, 0); + + unsigned int tick_in_us_min = pcm_params_get_min(params, PCM_PARAM_TICK_TIME); + unsigned int tick_in_us_max = pcm_params_get_max(params, PCM_PARAM_TICK_TIME); + ASSERT_GT(tick_in_us_max, 0); + std::cout << "tick_in_us: " << tick_in_us_min << " - " << tick_in_us_max << std::endl; + + pcm_params_free(params); +} + +} // namespace testing +} // namespace tinyalse -- cgit v1.2.3