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#include "test/mockedenginebackendtest.h"
#include "track/beatgrid.h"
#include "util/memory.h"
class BeatsTranslateTest : public MockedEngineBackendTest {
};
TEST_F(BeatsTranslateTest, SimpleTranslateMatch) {
// Set up BeatGrids for decks 1 and 2.
const double bpm = 60.0;
const double firstBeat = 0.0;
auto grid1 = mixxx::BeatGrid::makeBeatGrid(
m_pTrack1->getSampleRate(), QString(), bpm, firstBeat);
m_pTrack1->trySetBeats(grid1, false);
ASSERT_DOUBLE_EQ(firstBeat, grid1->findClosestBeat(0));
auto grid2 = mixxx::BeatGrid::makeBeatGrid(
m_pTrack2->getSampleRate(), QString(), bpm, firstBeat);
m_pTrack2->trySetBeats(grid2, false);
ASSERT_DOUBLE_EQ(firstBeat, grid2->findClosestBeat(0));
// Seek deck 1 forward a bit.
const double delta = 2222.0;
m_pChannel1->getEngineBuffer()->slotControlSeekAbs(delta);
ProcessBuffer();
EXPECT_TRUE(m_pChannel1->getEngineBuffer()->getVisualPlayPos() > 0);
// Make both decks playing.
ControlObject::getControl(m_sGroup1, "play")->set(1.0);
ControlObject::getControl(m_sGroup2, "play")->set(1.0);
ProcessBuffer();
// Manually set the "bpm" control... I would like to figure out why this
// doesn't get set naturally, but this will do for now.
auto pBpm1 = std::make_unique<ControlProxy>(m_sGroup1, "bpm");
auto pBpm2 = std::make_unique<ControlProxy>(m_sGroup1, "bpm");
pBpm1->set(bpm);
pBpm2->set(bpm);
ProcessBuffer();
// Push the button on deck 2.
auto pTranslateMatchAlignment = std::make_unique<ControlProxy>(
m_sGroup2, "beats_translate_match_alignment");
pTranslateMatchAlignment->set(1.0);
ProcessBuffer();
// Deck 1 is +delta away from its closest beat (which is at 0).
// Deck 2 was left at 0. We translated grid 2 so that it is also +delta
// away from its closest beat, so that beat should be at -delta.
mixxx::BeatsPointer beats = m_pTrack2->getBeats();
ASSERT_DOUBLE_EQ(-delta, beats->findClosestBeat(0));
}
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