4 #include "temporal/beats.h"
6 CPPUNIT_TEST_SUITE_REGISTRATION(BeatsTest);
8 using namespace Evoral;
9 using namespace Temporal;
11 static const double delta = 1.5 / (double)Beats::PPQN;
14 BeatsTest::createTest()
17 CPPUNIT_ASSERT_EQUAL(1, a.get_beats());
18 CPPUNIT_ASSERT_EQUAL(2, a.get_ticks());
19 CPPUNIT_ASSERT_DOUBLES_EQUAL(1 + 2 / (double)Beats::PPQN, a.to_double(), delta);
22 CPPUNIT_ASSERT_EQUAL(1, b.get_beats());
23 CPPUNIT_ASSERT_EQUAL(Beats::PPQN / 2, b.get_ticks());
24 CPPUNIT_ASSERT_DOUBLES_EQUAL(1.5, b.to_double(), delta);
26 const Beats c = Beats::beats(6);
27 CPPUNIT_ASSERT_EQUAL(6, c.get_beats());
28 CPPUNIT_ASSERT_EQUAL(0, c.get_ticks());
30 const Beats d = Beats::ticks(7);
31 CPPUNIT_ASSERT_EQUAL(0, d.get_beats());
32 CPPUNIT_ASSERT_EQUAL(7, d.get_ticks());
36 CPPUNIT_ASSERT_EQUAL(d, e);
39 // const Beats diff = n2 - n1;
40 // CPPUNIT_ASSERT_EQUAL(-44, diff.get_beats());
41 // CPPUNIT_ASSERT_EQUAL(44 / Beats::PPQN, diff.get_ticks());
42 // CPPUNIT_ASSERT_DOUBLES_EQUAL(diff.to_double(), -44.44, delta);
51 // Positive + positive
52 const Beats c = a + b;
53 CPPUNIT_ASSERT_EQUAL(4, c.get_beats());
54 CPPUNIT_ASSERT_EQUAL(6, c.get_ticks());
56 const Beats n1(-12.34);
57 CPPUNIT_ASSERT_DOUBLES_EQUAL(-12.34, n1.to_double(), delta);
59 const Beats n2(-56.78);
60 CPPUNIT_ASSERT_DOUBLES_EQUAL(-56.78, n2.to_double(), delta);
62 // Positive + negative
64 const Beats p_n = p1 + n1;
65 CPPUNIT_ASSERT_EQUAL(-11, p_n.get_beats());
66 CPPUNIT_ASSERT_EQUAL((int32_t)(Beats::PPQN * -0.34), p_n.get_ticks());
67 CPPUNIT_ASSERT_DOUBLES_EQUAL(-11.34, p_n.to_double(), delta);
69 // Negative + positive
70 const Beats n_p = n1 + p1;
71 CPPUNIT_ASSERT_EQUAL(-11, n_p.get_beats());
72 CPPUNIT_ASSERT_EQUAL((int32_t)(Beats::PPQN * -0.34), n_p.get_ticks());
73 CPPUNIT_ASSERT_DOUBLES_EQUAL(-11.34, n_p.to_double(), delta);
75 // Negative + negative
76 const Beats sum = n1 + n2;
77 CPPUNIT_ASSERT_EQUAL(-69, sum.get_beats());
78 //CPPUNIT_ASSERT_EQUAL((int32_t)(Beats::PPQN * -0.12), n_p.get_ticks());
79 CPPUNIT_ASSERT_DOUBLES_EQUAL(-69.12, sum.to_double(), delta);
83 BeatsTest::subtractTest()
88 // Positive - positive
89 const Beats c = b - a;
90 CPPUNIT_ASSERT_EQUAL(2, c.get_beats());
91 CPPUNIT_ASSERT_EQUAL(2, c.get_ticks());
93 const Beats n1(-12.34);
94 CPPUNIT_ASSERT_DOUBLES_EQUAL(-12.34, n1.to_double(), delta);
96 const Beats n2(-56.78);
97 CPPUNIT_ASSERT_DOUBLES_EQUAL(-56.78, n2.to_double(), delta);
99 // Positive - negative
101 const Beats p_n = p1 - n1;
102 CPPUNIT_ASSERT_EQUAL(13, p_n.get_beats());
103 CPPUNIT_ASSERT_EQUAL((int32_t)(Beats::PPQN * 0.34), p_n.get_ticks());
104 CPPUNIT_ASSERT_DOUBLES_EQUAL(13.34, p_n.to_double(), delta);
106 // Negative - positive
107 const Beats n_p = n1 - p1;
108 CPPUNIT_ASSERT_EQUAL(-13, n_p.get_beats());
109 CPPUNIT_ASSERT_EQUAL((int32_t)(Beats::PPQN * -0.34), n_p.get_ticks());
110 CPPUNIT_ASSERT_DOUBLES_EQUAL(-13.34, n_p.to_double(), delta);
112 // Negative - negative
113 const Beats diff = n1 - n2;
114 CPPUNIT_ASSERT_EQUAL(44, diff.get_beats());
115 CPPUNIT_ASSERT_EQUAL((int32_t)lrint(Beats::PPQN * 0.44), diff.get_ticks());
116 CPPUNIT_ASSERT_DOUBLES_EQUAL(44.44, diff.to_double(), delta);
120 BeatsTest::multiplyTest()
122 CPPUNIT_ASSERT_DOUBLES_EQUAL(3.0, (Beats(1.5) * 2.0).to_double(), delta);
123 CPPUNIT_ASSERT_DOUBLES_EQUAL(-10.0, (Beats(5.0) * -2.0).to_double(), delta);
124 CPPUNIT_ASSERT_DOUBLES_EQUAL(-10.0, (Beats(-5.0) * 2.0).to_double(), delta);
128 BeatsTest::roundTest()
133 const Beats au = a.round_up_to_beat();
134 CPPUNIT_ASSERT_EQUAL(au.get_beats(), 2);
135 CPPUNIT_ASSERT_EQUAL(au.get_ticks(), 0);
138 const Beats ad = a.round_down_to_beat();
139 CPPUNIT_ASSERT_EQUAL(ad.get_beats(), 1);
140 CPPUNIT_ASSERT_EQUAL(ad.get_ticks(), 0);
142 // Round result down again
143 const Beats add = ad.round_down_to_beat();
144 CPPUNIT_ASSERT_EQUAL(ad, add);
147 const Beats adu = ad.round_up_to_beat();
148 CPPUNIT_ASSERT_EQUAL(ad, adu);
151 const Beats snapped = a.snap_to(Beats(1.5));
152 CPPUNIT_ASSERT_EQUAL(snapped.get_beats(), 1);
153 CPPUNIT_ASSERT_EQUAL(snapped.get_ticks(), Beats::PPQN / 2);
157 BeatsTest::convertTest()
159 const Beats a = Beats::ticks_at_rate(72000, 48000);
160 CPPUNIT_ASSERT_DOUBLES_EQUAL(1, a.get_beats(), delta);
161 CPPUNIT_ASSERT_DOUBLES_EQUAL(Beats::PPQN / 2, a.get_ticks(), delta);
162 CPPUNIT_ASSERT_DOUBLES_EQUAL(1.5, a.to_double(), delta);
164 const Beats b = Beats::ticks_at_rate(8, 48000);
165 CPPUNIT_ASSERT_DOUBLES_EQUAL(0, b.get_beats(), delta);
166 CPPUNIT_ASSERT_DOUBLES_EQUAL(Beats::PPQN * 8 / 48000, b.get_ticks(), delta);
167 CPPUNIT_ASSERT_DOUBLES_EQUAL((8 / 48000.0), b.to_double(), delta);
169 CPPUNIT_ASSERT_EQUAL(int64_t(1.5 * Beats::PPQN), a.to_ticks());
170 CPPUNIT_ASSERT_EQUAL(int64_t(1.5 * 192), a.to_ticks(192));