Function testAudioFileFormat

tests/choc_tests.h:3128–3202

    {
        CHOC_TEST (StableSort)

        for (int len = 0; len < 500; ++len)
        {
            std::vector<int> v;

            for (int i = 0; i < len; ++i)
                v.push_back (rand() & 63);

            {
                auto comp = [] (int a, int b) { return a / 2 < b / 2; };

                auto v2 = v;
                std::stable_sort (v2.begin(), v2.end(), comp);

                auto v3 = v;
                choc::sorting::stable_sort (v3.begin(), v3.end(), comp);
                CHOC_EXPECT_TRUE (v2 == v3);

                auto v4 = v;
                choc::sorting::stable_sort (v4.data(), v4.data() + v4.size(), comp);
                CHOC_EXPECT_TRUE (v2 == v4);
            }

            auto v2 = v;
            std::stable_sort (v2.begin(), v2.end());

            auto v3 = v;
            choc::sorting::stable_sort (v3.begin(), v3.end());
            CHOC_EXPECT_TRUE (v2 == v3);

            auto v4 = v;
            choc::sorting::stable_sort (v4.data(), v4.data() + v4.size());
            CHOC_EXPECT_TRUE (v2 == v4);
        }
    }
}

//==============================================================================
template <typename FileFormat, typename BufferSampleType>
inline void testAudioFileRoundTrip (choc::test::TestProgress& progress, choc::audio::BitDepth bitDepth,
                                    double sampleRate, uint32_t numChannels, uint32_t length,
                                    std::string quality, BufferSampleType maxDiff)
{
    auto compareBuffers = [&] (const auto& buffer1, const auto& buffer2)
    {
        if (maxDiff == 0)
        {
            maxDiff = 1.0f / 1000000.0f;
            if (bitDepth == choc::audio::BitDepth::int8)  maxDiff = 1.0f / 127.0f;
            if (bitDepth == choc::audio::BitDepth::int16) maxDiff = 1.0f / 32767.0f;
        }

        auto size = buffer1.getSize();
        CHOC_EXPECT_EQ (size.numFrames, buffer2.getSize().numFrames);
        CHOC_EXPECT_EQ (size.numChannels, buffer2.getSize().numChannels);

        if (size.numFrames != 0)