1 #include "test/mockedenginebackendtest.h"
2 #include "track/beatgrid.h"
3 #include "util/memory.h"
4
5 class BeatsTranslateTest : public MockedEngineBackendTest {
6 };
7
TEST_F(BeatsTranslateTest,SimpleTranslateMatch)8 TEST_F(BeatsTranslateTest, SimpleTranslateMatch) {
9 // Set up BeatGrids for decks 1 and 2.
10 const double bpm = 60.0;
11 const double firstBeat = 0.0;
12 auto grid1 = mixxx::BeatGrid::makeBeatGrid(
13 m_pTrack1->getSampleRate(), QString(), bpm, firstBeat);
14 m_pTrack1->trySetBeats(grid1);
15 ASSERT_DOUBLE_EQ(firstBeat, grid1->findClosestBeat(0));
16
17 auto grid2 = mixxx::BeatGrid::makeBeatGrid(
18 m_pTrack2->getSampleRate(), QString(), bpm, firstBeat);
19 m_pTrack2->trySetBeats(grid2);
20 ASSERT_DOUBLE_EQ(firstBeat, grid2->findClosestBeat(0));
21
22 // Seek deck 1 forward a bit.
23 const double delta = 2222.0;
24 m_pChannel1->getEngineBuffer()->slotControlSeekAbs(delta);
25 ProcessBuffer();
26 EXPECT_TRUE(m_pChannel1->getEngineBuffer()->getVisualPlayPos() > 0);
27
28 // Make both decks playing.
29 ControlObject::getControl(m_sGroup1, "play")->set(1.0);
30 ControlObject::getControl(m_sGroup2, "play")->set(1.0);
31 ProcessBuffer();
32 // Manually set the "bpm" control... I would like to figure out why this
33 // doesn't get set naturally, but this will do for now.
34 auto pBpm1 = std::make_unique<ControlProxy>(m_sGroup1, "bpm");
35 auto pBpm2 = std::make_unique<ControlProxy>(m_sGroup1, "bpm");
36 pBpm1->set(bpm);
37 pBpm2->set(bpm);
38 ProcessBuffer();
39
40 // Push the button on deck 2.
41 auto pTranslateMatchAlignment = std::make_unique<ControlProxy>(
42 m_sGroup2, "beats_translate_match_alignment");
43 pTranslateMatchAlignment->set(1.0);
44 ProcessBuffer();
45
46 // Deck 1 is +delta away from its closest beat (which is at 0).
47 // Deck 2 was left at 0. We translated grid 2 so that it is also +delta
48 // away from its closest beat, so that beat should be at -delta.
49 mixxx::BeatsPointer beats = m_pTrack2->getBeats();
50 ASSERT_DOUBLE_EQ(-delta, beats->findClosestBeat(0));
51 }
52