| 48 | } |
| 49 | |
| 50 | BOOST_AUTO_TEST_CASE(Basic) |
| 51 | { |
| 52 | // Create an empty AnalogSnapshot object |
| 53 | sr_datafeed_analog analog; |
| 54 | analog.num_samples = 0; |
| 55 | analog.data = NULL; |
| 56 | |
| 57 | AnalogSnapshot s(analog); |
| 58 | |
| 59 | //----- Test AnalogSnapshot::push_analog -----// |
| 60 | |
| 61 | BOOST_CHECK(s.get_sample_count() == 0); |
| 62 | for (unsigned int i = 0; i < AnalogSnapshot::ScaleStepCount; i++) |
| 63 | { |
| 64 | const AnalogSnapshot::Envelope &m = s._envelope_levels[i]; |
| 65 | BOOST_CHECK_EQUAL(m.length, 0); |
| 66 | BOOST_CHECK_EQUAL(m.data_length, 0); |
| 67 | BOOST_CHECK(m.samples == NULL); |
| 68 | } |
| 69 | |
| 70 | // Push 8 samples of all zeros |
| 71 | push_analog(s, 8, 0.0f); |
| 72 | |
| 73 | BOOST_CHECK(s.get_sample_count() == 8); |
| 74 | |
| 75 | // There should not be enough samples to have a single mip map sample |
| 76 | for (unsigned int i = 0; i < AnalogSnapshot::ScaleStepCount; i++) |
| 77 | { |
| 78 | const AnalogSnapshot::Envelope &m = s._envelope_levels[i]; |
| 79 | BOOST_CHECK_EQUAL(m.length, 0); |
| 80 | BOOST_CHECK_EQUAL(m.data_length, 0); |
| 81 | BOOST_CHECK(m.samples == NULL); |
| 82 | } |
| 83 | |
| 84 | // Push 8 samples of 1.0s to bring the total up to 16 |
| 85 | push_analog(s, 8, 1.0f); |
| 86 | |
| 87 | // There should now be enough data for exactly one sample |
| 88 | // in mip map level 0, and that sample should be 0 |
| 89 | const AnalogSnapshot::Envelope &e0 = s._envelope_levels[0]; |
| 90 | BOOST_CHECK_EQUAL(e0.length, 1); |
| 91 | BOOST_CHECK_EQUAL(e0.data_length, AnalogSnapshot::EnvelopeDataUnit); |
| 92 | BOOST_REQUIRE(e0.samples != NULL); |
| 93 | BOOST_CHECK_EQUAL(e0.samples[0].min, 0.0f); |
| 94 | BOOST_CHECK_EQUAL(e0.samples[0].max, 1.0f); |
| 95 | |
| 96 | // The higher levels should still be empty |
| 97 | for (unsigned int i = 1; i < AnalogSnapshot::ScaleStepCount; i++) |
| 98 | { |
| 99 | const AnalogSnapshot::Envelope &m = s._envelope_levels[i]; |
| 100 | BOOST_CHECK_EQUAL(m.length, 0); |
| 101 | BOOST_CHECK_EQUAL(m.data_length, 0); |
| 102 | BOOST_CHECK(m.samples == NULL); |
| 103 | } |
| 104 | |
| 105 | // Push 240 samples of all zeros to bring the total up to 256 |
| 106 | push_analog(s, 240, -1.0f); |
| 107 |
nothing calls this directly
no test coverage detected