#include "catch2/catch.hpp"
#include "../sources/AudioBuffer.h"
#include <algorithm>
using namespace Catch::literals;

TEST_CASE("[AudioBuffer/SplitBuffer] Empty buffers")
{
    AudioBuffer<float> floatBuffer;
    REQUIRE(floatBuffer.empty());
    REQUIRE(floatBuffer.getNumFrames() == 0);
    AudioBuffer<double> doubleBuffer;
    REQUIRE(doubleBuffer.empty());
    REQUIRE(doubleBuffer.getNumFrames() == 0);
    AudioBuffer<int> intBuffer;
    REQUIRE(intBuffer.empty());
    REQUIRE(intBuffer.getNumFrames() == 0);

    SplitAudioBuffer<float> floatSplitBuffer;
    REQUIRE(floatSplitBuffer.empty());
    REQUIRE(floatSplitBuffer.getNumFrames() == 0);
    SplitAudioBuffer<double> doubleSplitBuffer;
    REQUIRE(doubleSplitBuffer.empty());
    REQUIRE(doubleSplitBuffer.getNumFrames() == 0);
    SplitAudioBuffer<int> intSplitBuffer;
    REQUIRE(intSplitBuffer.empty());
    REQUIRE(intSplitBuffer.getNumFrames() == 0);
}

TEST_CASE("[AudioBuffer/SplitBuffer] Non-empty")
{
    AudioBuffer<float> floatBuffer(10);
    REQUIRE(!floatBuffer.empty());
    REQUIRE(floatBuffer.getNumFrames() == 10);
    AudioBuffer<double> doubleBuffer(10);
    REQUIRE(!doubleBuffer.empty());
    REQUIRE(doubleBuffer.getNumFrames() == 10);
    AudioBuffer<int> intBuffer(10);
    REQUIRE(!intBuffer.empty());
    REQUIRE(intBuffer.getNumFrames() == 10);

    SplitAudioBuffer<float> floatSplitBuffer(10);
    REQUIRE(!floatSplitBuffer.empty());
    REQUIRE(floatSplitBuffer.getNumFrames() == 10);
    SplitAudioBuffer<double> doubleSplitBuffer(10);
    REQUIRE(!doubleSplitBuffer.empty());
    REQUIRE(doubleSplitBuffer.getNumFrames() == 10);
    SplitAudioBuffer<int> intSplitBuffer(10);
    REQUIRE(!intSplitBuffer.empty());
    REQUIRE(intSplitBuffer.getNumFrames() == 10);
}

TEST_CASE("[AudioBuffer/SplitBuffer] Access")
{
    const int size { 5 };
    AudioBuffer<double> doubleBuffer(size);
    for (auto chanIdx = 0; chanIdx < doubleBuffer.getNumChannels(); ++chanIdx)
        for (auto frameIdx = 0; frameIdx < doubleBuffer.getNumFrames(); ++frameIdx)
            doubleBuffer.getSample(chanIdx, frameIdx) = static_cast<double>(doubleBuffer.getNumFrames()) * chanIdx + frameIdx;

    for (auto chanIdx = 0; chanIdx < doubleBuffer.getNumChannels(); ++chanIdx)
        for (auto frameIdx = 0; frameIdx < doubleBuffer.getNumFrames(); ++frameIdx)
            REQUIRE(doubleBuffer.getSample(chanIdx, frameIdx) == static_cast<double>(doubleBuffer.getNumFrames()) * chanIdx + frameIdx);

    SplitAudioBuffer<double> splitDoubleBuffer(size);
    for (auto chanIdx = 0; chanIdx < splitDoubleBuffer.getNumChannels(); ++chanIdx)
        for (auto frameIdx = 0; frameIdx < splitDoubleBuffer.getNumFrames(); ++frameIdx)
            splitDoubleBuffer.getSample(chanIdx, frameIdx) = static_cast<double>(splitDoubleBuffer.getNumFrames()) * chanIdx + frameIdx;

    for (auto chanIdx = 0; chanIdx < splitDoubleBuffer.getNumChannels(); ++chanIdx)
        for (auto frameIdx = 0; frameIdx < splitDoubleBuffer.getNumFrames(); ++frameIdx)
            REQUIRE(splitDoubleBuffer.getSample(chanIdx, frameIdx) == static_cast<double>(splitDoubleBuffer.getNumFrames()) * chanIdx + frameIdx);
}

TEST_CASE("[AudioBuffer/SplitBuffer] Access 2")
{
    const int size { 5 };
    AudioBuffer<int> doubleBuffer(size);
    for (auto chanIdx = 0; chanIdx < doubleBuffer.getNumChannels(); ++chanIdx)
        for (auto frameIdx = 0; frameIdx < doubleBuffer.getNumFrames(); ++frameIdx)
            doubleBuffer(chanIdx, frameIdx) = static_cast<int>(doubleBuffer.getNumFrames()) * chanIdx + frameIdx;

    for (auto chanIdx = 0; chanIdx < doubleBuffer.getNumChannels(); ++chanIdx)
        for (auto frameIdx = 0; frameIdx < doubleBuffer.getNumFrames(); ++frameIdx)
            REQUIRE(doubleBuffer(chanIdx, frameIdx) == static_cast<int>(doubleBuffer.getNumFrames()) * chanIdx + frameIdx);

    SplitAudioBuffer<int> splitDoubleBuffer(size);
    for (auto chanIdx = 0; chanIdx < splitDoubleBuffer.getNumChannels(); ++chanIdx)
        for (auto frameIdx = 0; frameIdx < splitDoubleBuffer.getNumFrames(); ++frameIdx)
            splitDoubleBuffer(chanIdx, frameIdx) = static_cast<int>(splitDoubleBuffer.getNumFrames()) * chanIdx + frameIdx;

    for (auto chanIdx = 0; chanIdx < splitDoubleBuffer.getNumChannels(); ++chanIdx)
        for (auto frameIdx = 0; frameIdx < splitDoubleBuffer.getNumFrames(); ++frameIdx)
            REQUIRE(splitDoubleBuffer(chanIdx, frameIdx) == static_cast<int>(splitDoubleBuffer.getNumFrames()) * chanIdx + frameIdx);
}

TEST_CASE("[AudioBuffer/SplitBuffer] Iterators")
{
    const int size { 256 };
    const float fillValue { 2.0f };
    AudioBuffer<float> buffer(size);
    for (auto chanIdx = 0; chanIdx < buffer.getNumChannels(); ++chanIdx)
        std::fill(buffer.begin(chanIdx), buffer.end(chanIdx), fillValue);

    for (auto chanIdx = 0; chanIdx < buffer.getNumChannels(); ++chanIdx)
        REQUIRE( std::all_of(buffer.begin(chanIdx), buffer.end(chanIdx), [fillValue](auto value) { return value == fillValue; }) );

    SplitAudioBuffer<float> splitBuffer(size);
    for (auto chanIdx = 0; chanIdx < splitBuffer.getNumChannels(); ++chanIdx)
        std::fill(splitBuffer.begin(chanIdx), splitBuffer.end(chanIdx), fillValue);

    for (auto chanIdx = 0; chanIdx < splitBuffer.getNumChannels(); ++chanIdx)
        REQUIRE( std::all_of(splitBuffer.begin(chanIdx), splitBuffer.end(chanIdx), [fillValue](auto value) { return value == fillValue; }) );
}

template<class Type, unsigned int NumChannels, unsigned int Alignment = 16>
void channelAlignmentTest(int size)
{
    static constexpr auto AlignmentMask { Alignment - 1 };
    const Type fillValue { 2 };
    AudioBuffer<Type, NumChannels, Alignment> buffer(size);
    for (auto chanIdx = 0; chanIdx < NumChannels; ++chanIdx)
        REQUIRE( ((size_t)buffer.getChannel(chanIdx) & AlignmentMask) == 0 );

    SplitAudioBuffer<Type, NumChannels, Alignment> splitBuffer(size);
    for (auto chanIdx = 0; chanIdx < NumChannels; ++chanIdx)
        REQUIRE( ((size_t)splitBuffer.getChannel(chanIdx) & AlignmentMask) == 0 );
}

TEST_CASE("[AudioBuffer/SplitBuffer] Channel alignments (floats)")
{
    channelAlignmentTest<float, 1>(4);
    channelAlignmentTest<float, 1>(5);
    channelAlignmentTest<float, 1>(8);
    channelAlignmentTest<float, 1>(256);
    channelAlignmentTest<float, 1>(257);
    channelAlignmentTest<float, 1>(1023);
    channelAlignmentTest<float, 1>(1024);
    channelAlignmentTest<float, 1>(65537);
    channelAlignmentTest<float, 1>(65536);
    channelAlignmentTest<float, 1>(65535);

    channelAlignmentTest<float, 2>(4);
    channelAlignmentTest<float, 2>(5);
    channelAlignmentTest<float, 2>(8);
    channelAlignmentTest<float, 2>(256);
    channelAlignmentTest<float, 2>(257);
    channelAlignmentTest<float, 2>(1023);
    channelAlignmentTest<float, 2>(1024);
    channelAlignmentTest<float, 2>(65537);
    channelAlignmentTest<float, 2>(65536);
    channelAlignmentTest<float, 2>(65535);

    channelAlignmentTest<float, 3>(4);
    channelAlignmentTest<float, 3>(5);
    channelAlignmentTest<float, 3>(8);
    channelAlignmentTest<float, 3>(256);
    channelAlignmentTest<float, 3>(257);
    channelAlignmentTest<float, 3>(1023);
    channelAlignmentTest<float, 3>(1024);
    channelAlignmentTest<float, 3>(65537);
    channelAlignmentTest<float, 3>(65536);
    channelAlignmentTest<float, 3>(65535);

    channelAlignmentTest<float, 4>(4);
    channelAlignmentTest<float, 4>(5);
    channelAlignmentTest<float, 4>(8);
    channelAlignmentTest<float, 4>(256);
    channelAlignmentTest<float, 4>(257);
    channelAlignmentTest<float, 4>(1023);
    channelAlignmentTest<float, 4>(1024);
    channelAlignmentTest<float, 4>(65537);
    channelAlignmentTest<float, 4>(65536);
    channelAlignmentTest<float, 4>(65535);

    channelAlignmentTest<float, 1, 4>(4);
    channelAlignmentTest<float, 1, 4>(5);
    channelAlignmentTest<float, 1, 4>(8);
    channelAlignmentTest<float, 1, 4>(256);
    channelAlignmentTest<float, 1, 4>(257);
    channelAlignmentTest<float, 1, 4>(1023);
    channelAlignmentTest<float, 1, 4>(1024);
    channelAlignmentTest<float, 1, 4>(65537);
    channelAlignmentTest<float, 1, 4>(65536);
    channelAlignmentTest<float, 1, 4>(65535);

    channelAlignmentTest<float, 2, 4>(4);
    channelAlignmentTest<float, 2, 4>(5);
    channelAlignmentTest<float, 2, 4>(8);
    channelAlignmentTest<float, 2, 4>(256);
    channelAlignmentTest<float, 2, 4>(257);
    channelAlignmentTest<float, 2, 4>(1023);
    channelAlignmentTest<float, 2, 4>(1024);
    channelAlignmentTest<float, 2, 4>(65537);
    channelAlignmentTest<float, 2, 4>(65536);
    channelAlignmentTest<float, 2, 4>(65535);

    channelAlignmentTest<float, 1, 8>(4);
    channelAlignmentTest<float, 1, 8>(5);
    channelAlignmentTest<float, 1, 8>(8);
    channelAlignmentTest<float, 1, 8>(256);
    channelAlignmentTest<float, 1, 8>(257);
    channelAlignmentTest<float, 1, 8>(1023);
    channelAlignmentTest<float, 1, 8>(1024);
    channelAlignmentTest<float, 1, 8>(65537);
    channelAlignmentTest<float, 1, 8>(65536);
    channelAlignmentTest<float, 1, 8>(65535);

    channelAlignmentTest<float, 2, 8>(4);
    channelAlignmentTest<float, 2, 8>(5);
    channelAlignmentTest<float, 2, 8>(8);
    channelAlignmentTest<float, 2, 8>(256);
    channelAlignmentTest<float, 2, 8>(257);
    channelAlignmentTest<float, 2, 8>(1023);
    channelAlignmentTest<float, 2, 8>(1024);
    channelAlignmentTest<float, 2, 8>(65537);
    channelAlignmentTest<float, 2, 8>(65536);
    channelAlignmentTest<float, 2, 8>(65535);
}

TEST_CASE("[AudioBuffer/SplitBuffer] Channel alignments (doubles)")
{
    channelAlignmentTest<double, 1>(4);
    channelAlignmentTest<double, 1>(5);
    channelAlignmentTest<double, 1>(8);
    channelAlignmentTest<double, 1>(256);
    channelAlignmentTest<double, 1>(257);
    channelAlignmentTest<double, 1>(1023);
    channelAlignmentTest<double, 1>(1024);
    channelAlignmentTest<double, 1>(65537);
    channelAlignmentTest<double, 1>(65536);
    channelAlignmentTest<double, 1>(65535);

    channelAlignmentTest<double, 2>(4);
    channelAlignmentTest<double, 2>(5);
    channelAlignmentTest<double, 2>(8);
    channelAlignmentTest<double, 2>(256);
    channelAlignmentTest<double, 2>(257);
    channelAlignmentTest<double, 2>(1023);
    channelAlignmentTest<double, 2>(1024);
    channelAlignmentTest<double, 2>(65537);
    channelAlignmentTest<double, 2>(65536);
    channelAlignmentTest<double, 2>(65535);

    channelAlignmentTest<double, 3>(4);
    channelAlignmentTest<double, 3>(5);
    channelAlignmentTest<double, 3>(8);
    channelAlignmentTest<double, 3>(256);
    channelAlignmentTest<double, 3>(257);
    channelAlignmentTest<double, 3>(1023);
    channelAlignmentTest<double, 3>(1024);
    channelAlignmentTest<double, 3>(65537);
    channelAlignmentTest<double, 3>(65536);
    channelAlignmentTest<double, 3>(65535);

    channelAlignmentTest<double, 4>(4);
    channelAlignmentTest<double, 4>(5);
    channelAlignmentTest<double, 4>(8);
    channelAlignmentTest<double, 4>(256);
    channelAlignmentTest<double, 4>(257);
    channelAlignmentTest<double, 4>(1023);
    channelAlignmentTest<double, 4>(1024);
    channelAlignmentTest<double, 4>(65537);
    channelAlignmentTest<double, 4>(65536);
    channelAlignmentTest<double, 4>(65535);

    channelAlignmentTest<double, 1, 8>(4);
    channelAlignmentTest<double, 1, 8>(5);
    channelAlignmentTest<double, 1, 8>(8);
    channelAlignmentTest<double, 1, 8>(256);
    channelAlignmentTest<double, 1, 8>(257);
    channelAlignmentTest<double, 1, 8>(1023);
    channelAlignmentTest<double, 1, 8>(1024);
    channelAlignmentTest<double, 1, 8>(65537);
    channelAlignmentTest<double, 1, 8>(65536);
    channelAlignmentTest<double, 1, 8>(65535);

    channelAlignmentTest<double, 2, 8>(4);
    channelAlignmentTest<double, 2, 8>(5);
    channelAlignmentTest<double, 2, 8>(8);
    channelAlignmentTest<double, 2, 8>(256);
    channelAlignmentTest<double, 2, 8>(257);
    channelAlignmentTest<double, 2, 8>(1023);
    channelAlignmentTest<double, 2, 8>(1024);
    channelAlignmentTest<double, 2, 8>(65537);
    channelAlignmentTest<double, 2, 8>(65536);
    channelAlignmentTest<double, 2, 8>(65535);
}

TEST_CASE("[AudioBuffer] fills")
{
    SECTION("Floats - 0.0")
    {
        AudioBuffer<float> buffer(10);
        buffer.fill(0.0f);
        std::array<float, 10> expected;
        std::fill(expected.begin(), expected.end(), 0.0f);
        std::array<float, 10> real { 2.0f };
        for (auto chanIdx = 0; chanIdx < buffer.getNumChannels(); ++chanIdx)
        {
            for (auto frameIdx = 0; frameIdx < buffer.getNumFrames(); ++frameIdx)
                real[frameIdx] = buffer(chanIdx, frameIdx);
            REQUIRE( real == expected );
        }
    }

    SECTION("Floats - 1.0")
    {
        AudioBuffer<float> buffer(10);
        buffer.fill(1.0f);
        std::array<float, 10> expected;
        std::fill(expected.begin(), expected.end(), 1.0f);
        std::array<float, 10> real { 2.0f };
        for (auto chanIdx = 0; chanIdx < buffer.getNumChannels(); ++chanIdx)
        {
            for (auto frameIdx = 0; frameIdx < buffer.getNumFrames(); ++frameIdx)
                real[frameIdx] = buffer(chanIdx, frameIdx);
            REQUIRE( real == expected );
        }
    }

    SECTION("Doubles - 0.0")
    {
        AudioBuffer<double> buffer(10);
        buffer.fill(0.0);
        std::array<double, 10> expected;
        std::fill(expected.begin(), expected.end(), 0.0);
        std::array<double, 10> real { 2.0 };
        for (auto chanIdx = 0; chanIdx < buffer.getNumChannels(); ++chanIdx)
        {
            for (auto frameIdx = 0; frameIdx < buffer.getNumFrames(); ++frameIdx)
                real[frameIdx] = buffer(chanIdx, frameIdx);
            REQUIRE( real == expected );
        }
    }

    SECTION("Doubles - 1.0")
    {
        AudioBuffer<double> buffer(10);
        buffer.fill(1.0);
        std::array<double, 10> expected;
        std::fill(expected.begin(), expected.end(), 1.0);
        std::array<double, 10> real { 2.0 };
        for (auto chanIdx = 0; chanIdx < buffer.getNumChannels(); ++chanIdx)
        {
            for (auto frameIdx = 0; frameIdx < buffer.getNumFrames(); ++frameIdx)
                real[frameIdx] = buffer(chanIdx, frameIdx);
            REQUIRE( real == expected );
        }
    }

    SECTION("Floats - 0.0 - SSE")
    {
        AudioBuffer<float> buffer(10);
        buffer.fill<VectorOperations::sse>(0.0f);
        std::array<float, 10> expected;
        std::fill(expected.begin(), expected.end(), 0.0f);
        std::array<float, 10> real { 2.0f };
        for (auto chanIdx = 0; chanIdx < buffer.getNumChannels(); ++chanIdx)
        {
            for (auto frameIdx = 0; frameIdx < buffer.getNumFrames(); ++frameIdx)
                real[frameIdx] = buffer(chanIdx, frameIdx);
            REQUIRE( real == expected );
        }
    }

    SECTION("Floats - 1.0 - SSE")
    {
        AudioBuffer<float> buffer(10);
        buffer.fill<VectorOperations::sse>(1.0f);
        std::array<float, 10> expected { 1.0f };
        std::fill(expected.begin(), expected.end(), 1.0f);
        std::array<float, 10> real { 2.0f };
        for (auto chanIdx = 0; chanIdx < buffer.getNumChannels(); ++chanIdx)
        {
            for (auto frameIdx = 0; frameIdx < buffer.getNumFrames(); ++frameIdx)
                real[frameIdx] = buffer(chanIdx, frameIdx);
            REQUIRE( real == expected );
        }
    }
}

TEST_CASE("[SplitAudioBuffer] fills")
{
    SECTION("Floats - 0.0")
    {
        SplitAudioBuffer<float> buffer(10);
        buffer.fill(0.0f);
        std::array<float, 10> expected;
        std::fill(expected.begin(), expected.end(), 0.0f);
        std::array<float, 10> real { 2.0f };
        for (auto chanIdx = 0; chanIdx < buffer.getNumChannels(); ++chanIdx)
        {
            for (auto frameIdx = 0; frameIdx < buffer.getNumFrames(); ++frameIdx)
                real[frameIdx] = buffer(chanIdx, frameIdx);
            REQUIRE( real == expected );
        }
    }

    SECTION("Floats - 1.0")
    {
        SplitAudioBuffer<float> buffer(10);
        buffer.fill(1.0f);
        std::array<float, 10> expected;
        std::fill(expected.begin(), expected.end(), 1.0f);
        std::array<float, 10> real { 2.0f };
        for (auto chanIdx = 0; chanIdx < buffer.getNumChannels(); ++chanIdx)
        {
            for (auto frameIdx = 0; frameIdx < buffer.getNumFrames(); ++frameIdx)
                real[frameIdx] = buffer(chanIdx, frameIdx);
            REQUIRE( real == expected );
        }
    }

    SECTION("Doubles - 0.0")
    {
        SplitAudioBuffer<double> buffer(10);
        buffer.fill(0.0);
        std::array<double, 10> expected;
        std::fill(expected.begin(), expected.end(), 0.0);
        std::array<double, 10> real { 2.0 };
        for (auto chanIdx = 0; chanIdx < buffer.getNumChannels(); ++chanIdx)
        {
            for (auto frameIdx = 0; frameIdx < buffer.getNumFrames(); ++frameIdx)
                real[frameIdx] = buffer(chanIdx, frameIdx);
            REQUIRE( real == expected );
        }
    }

    SECTION("Doubles - 1.0")
    {
        SplitAudioBuffer<double> buffer(10);
        buffer.fill(1.0);
        std::array<double, 10> expected;
        std::fill(expected.begin(), expected.end(), 1.0);
        std::array<double, 10> real { 2.0 };
        for (auto chanIdx = 0; chanIdx < buffer.getNumChannels(); ++chanIdx)
        {
            for (auto frameIdx = 0; frameIdx < buffer.getNumFrames(); ++frameIdx)
                real[frameIdx] = buffer(chanIdx, frameIdx);
            REQUIRE( real == expected );
        }
    }

    SECTION("Floats - 0.0 - SSE")
    {
        SplitAudioBuffer<float> buffer(10);
        buffer.fill<VectorOperations::sse>(0.0f);
        std::array<float, 10> expected;
        std::fill(expected.begin(), expected.end(), 0.0f);
        std::array<float, 10> real { 2.0f };
        for (auto chanIdx = 0; chanIdx < buffer.getNumChannels(); ++chanIdx)
        {
            for (auto frameIdx = 0; frameIdx < buffer.getNumFrames(); ++frameIdx)
                real[frameIdx] = buffer(chanIdx, frameIdx);
            REQUIRE( real == expected );
        }
    }

    SECTION("Floats - 1.0 - SSE")
    {
        SplitAudioBuffer<float> buffer(10);
        buffer.fill<VectorOperations::sse>(1.0f);
        std::array<float, 10> expected { 1.0f };
        std::fill(expected.begin(), expected.end(), 1.0f);
        std::array<float, 10> real { 2.0f };
        for (auto chanIdx = 0; chanIdx < buffer.getNumChannels(); ++chanIdx)
        {
            for (auto frameIdx = 0; frameIdx < buffer.getNumFrames(); ++frameIdx)
                real[frameIdx] = buffer(chanIdx, frameIdx);
            REQUIRE( real == expected );
        }
    }
}

TEST_CASE("[AudioBuffer] Interleave read")
{
    AudioBuffer<float> buffer(8);
    std::array<float, 16> input = { 0.0f, 10.0f, 1.0f, 11.0f, 2.0f, 12.0f, 3.0f, 13.0f, 4.0f, 14.0f, 5.0f, 15.0f, 6.0f, 16.0f, 7.0f, 17.0f};
    std::array<float, 16> expected = { 0.0f, 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 10.0f, 11.0f, 12.0f, 13.0f, 14.0f, 15.0f, 16.0f, 17.0f };
    buffer.readInterleaved(input.data(), 8);
    std::array<float, 16> real { 0.0f };
    auto realIdx = 0;
    for (auto chanIdx = 0; chanIdx < buffer.getNumChannels(); ++chanIdx)
        for (auto frameIdx = 0; frameIdx < buffer.getNumFrames(); ++frameIdx)
            real[realIdx++] = buffer(chanIdx, frameIdx);
    REQUIRE( real == expected );
}

TEST_CASE("[AudioBuffer] Interleave read -- SSE")
{
    AudioBuffer<float> buffer(8);
    std::array<float, 16> input = { 0.0f, 10.0f, 1.0f, 11.0f, 2.0f, 12.0f, 3.0f, 13.0f, 4.0f, 14.0f, 5.0f, 15.0f, 6.0f, 16.0f, 7.0f, 17.0f};
    std::array<float, 16> expected = { 0.0f, 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 10.0f, 11.0f, 12.0f, 13.0f, 14.0f, 15.0f, 16.0f, 17.0f };
    buffer.readInterleaved<VectorOperations::sse>(input.data(), 8);
    std::array<float, 16> real { 0.0f };
    auto realIdx = 0;
    for (auto chanIdx = 0; chanIdx < buffer.getNumChannels(); ++chanIdx)
        for (auto frameIdx = 0; frameIdx < buffer.getNumFrames(); ++frameIdx)
            real[realIdx++] = buffer(chanIdx, frameIdx);
    REQUIRE( real == expected );
}

TEST_CASE("[AudioBuffer] Interleave read unaligned end -- SSE")
{
    AudioBuffer<float> buffer(10);
    std::array<float, 20> input = { 0.0f, 10.0f, 1.0f, 11.0f, 2.0f, 12.0f, 3.0f, 13.0f, 4.0f, 14.0f, 5.0f, 15.0f, 6.0f, 16.0f, 7.0f, 17.0f, 8.0f, 18.0f, 9.0f, 19.0f};
    std::array<float, 20> expected = { 0.0f, 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f, 9.0f, 10.0f, 11.0f, 12.0f, 13.0f, 14.0f, 15.0f, 16.0f, 17.0f, 18.0f, 19.0f};
    buffer.readInterleaved<VectorOperations::sse>(input.data(), 10);
    std::array<float, 20> real { 0.0f };
    auto realIdx = 0;
    for (auto chanIdx = 0; chanIdx < buffer.getNumChannels(); ++chanIdx)
        for (auto frameIdx = 0; frameIdx < buffer.getNumFrames(); ++frameIdx)
            real[realIdx++] = buffer(chanIdx, frameIdx);
    REQUIRE( real == expected );
}

TEST_CASE("[AudioBuffer] Fill a big Audiobuffer")
{
    constexpr int size { 2039247 };
    AudioBuffer<float> buffer (size);
    std::vector<float> input (2*size);
    std::iota(input.begin(), input.end(), 1.0f);
    buffer.readInterleaved(input.data(), size);
}