diff options
Diffstat (limited to 'lib/tests')
| -rw-r--r-- | lib/tests/igt_audio.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/tests/igt_audio.c b/lib/tests/igt_audio.c index 47e61adf..4a48aed2 100644 --- a/lib/tests/igt_audio.c +++ b/lib/tests/igt_audio.c @@ -116,6 +116,28 @@ static void test_signal_detect_with_unexpected_freq(struct audio_signal *signal) igt_assert(!ok); } +static void test_signal_detect_held_sample(struct audio_signal *signal) +{ + double *buf; + bool ok; + size_t i; + double value; + + buf = malloc(BUFFER_LEN * sizeof(double)); + audio_signal_fill(signal, buf, BUFFER_LEN / CHANNELS); + + /* Repeat a sample in the middle of the signal */ + value = buf[BUFFER_LEN / 3]; + for (i = 0; i < 5; i++) + buf[BUFFER_LEN / 3 + i] = value; + + ok = audio_signal_detect(signal, SAMPLING_RATE, 0, buf, BUFFER_LEN); + + free(buf); + + igt_assert_f(!ok, "Expected audio signal not to be detected\n"); +} + igt_main { struct audio_signal *signal; @@ -151,6 +173,9 @@ igt_main igt_subtest("signal-detect-with-unexpected-freq") test_signal_detect_with_unexpected_freq(signal); + igt_subtest("signal-detect-held-sample") + test_signal_detect_held_sample(signal); + igt_fixture { audio_signal_fini(signal); } |