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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************
Audacity: A Digital Audio Editor
ClipTimeAndPitchSourceTest.cpp
Matthieu Hodgkinson
**********************************************************************/
#include "ClipTimeAndPitchSource.h"
#include "AudioContainer.h"
#include "FloatVectorClip.h"
#include <catch2/catch.hpp>
namespace
{
constexpr auto sampleRate = 3;
using FloatVectorVector = std::vector<std::vector<float>>;
} // namespace
TEST_CASE("ClipTimeAndPitchSource")
{
const auto direction =
GENERATE(PlaybackDirection::forward, PlaybackDirection::backward);
SECTION("Pull reads correctly past the end of the clip")
{
const auto clip = std::make_shared<FloatVectorClip>(
sampleRate, FloatVectorVector { { 1.f, 2.f, 3.f, 4.f, 5.f } });
ClipTimeAndPitchSource sut { *clip, 0., direction };
constexpr auto bufferSize = 3;
AudioContainer output(bufferSize, 1u);
sut.Pull(output.channelPointers.data(), bufferSize);
const auto firstExpected = direction == PlaybackDirection::forward ?
std::vector<float> { 1.f, 2.f, 3.f } :
std::vector<float> { 5.f, 4.f, 3.f };
REQUIRE(output.channelVectors[0] == firstExpected);
sut.Pull(output.channelPointers.data(), bufferSize);
const auto secondExpected = direction == PlaybackDirection::forward ?
std::vector<float> { 4.f, 5.f, 0.f } :
std::vector<float> { 2.f, 1.f, 0.f };
REQUIRE(output.channelVectors[0] == secondExpected);
}
}
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