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Diffstat (limited to 'extensions/renderer/api/display_source/wifi_display/wifi_display_elementary_stream_descriptor_unittest.cc')
| -rw-r--r-- | extensions/renderer/api/display_source/wifi_display/wifi_display_elementary_stream_descriptor_unittest.cc | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/extensions/renderer/api/display_source/wifi_display/wifi_display_elementary_stream_descriptor_unittest.cc b/extensions/renderer/api/display_source/wifi_display/wifi_display_elementary_stream_descriptor_unittest.cc new file mode 100644 index 0000000..4e049db --- /dev/null +++ b/extensions/renderer/api/display_source/wifi_display/wifi_display_elementary_stream_descriptor_unittest.cc @@ -0,0 +1,151 @@ +// Copyright 2016 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "extensions/renderer/api/display_source/wifi_display/wifi_display_elementary_stream_descriptor.h" + +#include <algorithm> +#include <vector> + +#include "testing/gtest/include/gtest/gtest.h" + +using LPCMAudioStreamDescriptor = + extensions::WiFiDisplayElementaryStreamDescriptor::LPCMAudioStream; + +namespace extensions { + +namespace { + +// Copy constructors cannot always be tested by calling them directly as +// a compiler is allowed to optimize copy constructor calls away in certain +// cases (that is called return value optimization). Therefore, this helper +// function is needed to really create a copy of an object. +template <typename T> +T Copy(const T& t) { + return t; +} + +class Data : public std::vector<uint8_t> { + public: + template <size_t N> + explicit Data(const char (&str)[N]) { + EXPECT_EQ('\0', str[N - 1]); + insert(end(), str, str + N - 1); + } + + bool operator==(const WiFiDisplayElementaryStreamDescriptor& rhs) const { + return size() == rhs.size() && std::equal(begin(), end(), rhs.begin()); + } +}; + +TEST(WiFiDisplayElementaryStreamDescriptorTest, AVCTimingAndHRDDescriptor) { + using AVCTimingAndHRDDescriptor = + WiFiDisplayElementaryStreamDescriptor::AVCTimingAndHRD; + EXPECT_EQ(Data("\x2A\x02\x7E\x1F"), AVCTimingAndHRDDescriptor::Create()); + EXPECT_EQ(Data("\x2A\x02\x7E\x1F"), + Copy(AVCTimingAndHRDDescriptor::Create())); +} + +TEST(WiFiDisplayElementaryStreamDescriptorTest, AVCVideoDescriptor) { + using AVCVideoDescriptor = WiFiDisplayElementaryStreamDescriptor::AVCVideo; + EXPECT_EQ( + Data("\x28\x04\x00\x00\x00\x3F"), + AVCVideoDescriptor::Create(0x0u, false, false, false, 0x0u, 0x0u, false)); + EXPECT_EQ(Data("\x28\x04\x00\x00\x00\x3F"), + Copy(AVCVideoDescriptor::Create(0x0u, false, false, false, 0x0u, + 0x0u, false))); + EXPECT_EQ(Data("\x28\x04\xFF\x00\x00\x3F"), + AVCVideoDescriptor::Create(0xFFu, false, false, false, 0x0u, 0x0u, + false)); + EXPECT_EQ( + Data("\x28\x04\x00\x80\x00\x3F"), + AVCVideoDescriptor::Create(0x0u, true, false, false, 0x0u, 0x0u, false)); + EXPECT_EQ( + Data("\x28\x04\x00\x40\x00\x3F"), + AVCVideoDescriptor::Create(0x0u, false, true, false, 0x0u, 0x0u, false)); + EXPECT_EQ( + Data("\x28\x04\x00\x20\x00\x3F"), + AVCVideoDescriptor::Create(0x0u, false, false, true, 0x0u, 0x0u, false)); + EXPECT_EQ(Data("\x28\x04\x00\x1F\x00\x3F"), + AVCVideoDescriptor::Create(0x0u, false, false, false, 0x1Fu, 0x0u, + false)); + EXPECT_EQ(Data("\x28\x04\x00\x00\xFF\x3F"), + AVCVideoDescriptor::Create(0x0u, false, false, false, 0x0u, 0xFFu, + false)); + EXPECT_EQ( + Data("\x28\x04\x00\x00\x00\xBF"), + AVCVideoDescriptor::Create(0x0u, false, false, false, 0x0u, 0x0u, true)); +} + +class LPCMAudioStreamDescriptorTest + : public testing::TestWithParam< + testing::tuple<LPCMAudioStreamDescriptor::SamplingFrequency, + LPCMAudioStreamDescriptor::BitsPerSample, + bool, + LPCMAudioStreamDescriptor::NumberOfChannels, + Data>> { + protected: + LPCMAudioStreamDescriptorTest() + : sampling_frequency_(testing::get<0>(GetParam())), + bits_per_sample_(testing::get<1>(GetParam())), + emphasis_flag_(testing::get<2>(GetParam())), + number_of_channels_(testing::get<3>(GetParam())), + expected_data_(testing::get<4>(GetParam())), + descriptor_(LPCMAudioStreamDescriptor::Create(sampling_frequency_, + bits_per_sample_, + emphasis_flag_, + number_of_channels_)) {} + + const LPCMAudioStreamDescriptor::SamplingFrequency sampling_frequency_; + const LPCMAudioStreamDescriptor::BitsPerSample bits_per_sample_; + const bool emphasis_flag_; + const LPCMAudioStreamDescriptor::NumberOfChannels number_of_channels_; + const Data expected_data_; + const WiFiDisplayElementaryStreamDescriptor descriptor_; +}; + +TEST_P(LPCMAudioStreamDescriptorTest, Create) { + EXPECT_EQ(expected_data_, descriptor_); + EXPECT_EQ(expected_data_, Copy(descriptor_)); +} + +TEST_P(LPCMAudioStreamDescriptorTest, Accessors) { + ASSERT_EQ(LPCMAudioStreamDescriptor::kTag, descriptor_.tag()); + const LPCMAudioStreamDescriptor& descriptor = + *static_cast<const LPCMAudioStreamDescriptor*>(&descriptor_); + EXPECT_EQ(sampling_frequency_, descriptor.sampling_frequency()); + EXPECT_EQ(bits_per_sample_, descriptor.bits_per_sample()); + EXPECT_EQ(emphasis_flag_, descriptor.emphasis_flag()); + EXPECT_EQ(number_of_channels_, descriptor.number_of_channels()); +} + +INSTANTIATE_TEST_CASE_P( + WiFiDisplayElementaryStreamDescriptorTests, + LPCMAudioStreamDescriptorTest, + testing::Values(testing::make_tuple( + LPCMAudioStreamDescriptor::SAMPLING_FREQUENCY_44_1K, + LPCMAudioStreamDescriptor::BITS_PER_SAMPLE_16, + false, + LPCMAudioStreamDescriptor::NUMBER_OF_CHANNELS_DUAL_MONO, + Data("\x83\x02\x26\x0F")), + testing::make_tuple( + LPCMAudioStreamDescriptor::SAMPLING_FREQUENCY_48K, + LPCMAudioStreamDescriptor::BITS_PER_SAMPLE_16, + false, + LPCMAudioStreamDescriptor::NUMBER_OF_CHANNELS_DUAL_MONO, + Data("\x83\x02\x46\x0F")), + testing::make_tuple( + LPCMAudioStreamDescriptor::SAMPLING_FREQUENCY_44_1K, + LPCMAudioStreamDescriptor::BITS_PER_SAMPLE_16, + true, + LPCMAudioStreamDescriptor::NUMBER_OF_CHANNELS_DUAL_MONO, + Data("\x83\x02\x27\x0F")), + testing::make_tuple( + LPCMAudioStreamDescriptor::SAMPLING_FREQUENCY_44_1K, + LPCMAudioStreamDescriptor::BITS_PER_SAMPLE_16, + false, + LPCMAudioStreamDescriptor::NUMBER_OF_CHANNELS_STEREO, + Data("\x83\x02\x26\x2F")))); + +} // namespace +} // namespace extensions |