[igt-dev] [PATCH i-g-t 2/5] lib/tests/igt_audio: add test with missing frequency

Simon Ser
2019-05-29T13:32:43Z

Make sure detection fails.

Signed-off-by: Simon Ser <simon.ser@intel.com>
---
lib/tests/igt_audio.c | 39 +++++++++++++++++++++++++++++++++------
1 file changed, 33 insertions(+), 6 deletions(-)

diff --git a/lib/tests/igt_audio.c b/lib/tests/igt_audio.c
index 0ca3a4342ad9..7b068c255973 100644
--- a/lib/tests/igt_audio.c
+++ b/lib/tests/igt_audio.c
@@ -32,6 +32,10 @@
#define CHANNELS 1
#define BUFFER_LEN 2048

+static const int test_freqs[] = { 300, 700, 5000 };
+
+static const size_t test_freqs_len = sizeof(test_freqs) / sizeof(test_freqs[0]);
+
static void test_signal_detect_verbatim(struct audio_signal *signal)
{
double buf[BUFFER_LEN];
@@ -66,21 +70,41 @@ static void test_signal_detect_noise(struct audio_signal *signal)
igt_assert(!ok);
}

+static void test_signal_detect_missing(struct audio_signal *signal)
+{
+ double buf[BUFFER_LEN];
+ struct audio_signal *missing;
+ bool ok;
+ size_t i;
+
+ /* Miss the first frequency */
+ missing = audio_signal_init(CHANNELS, SAMPLING_RATE);
+ for (i = 1; i < test_freqs_len; i++) {
+ audio_signal_add_frequency(missing, test_freqs[i], 0);
+ }
+ audio_signal_synthesize(missing);
+
+ audio_signal_fill(missing, buf, BUFFER_LEN / CHANNELS);
+ ok = audio_signal_detect(signal, SAMPLING_RATE, 0, buf, BUFFER_LEN);
+ igt_assert(!ok);
+}
+
igt_main
{
struct audio_signal *signal;
int ret;
+ size_t i;

igt_subtest_group {
igt_fixture {
signal = audio_signal_init(CHANNELS, SAMPLING_RATE);

- ret = audio_signal_add_frequency(signal, 300, 0);
- igt_assert(ret == 0);
- ret = audio_signal_add_frequency(signal, 700, 0);
- igt_assert(ret == 0);
- ret = audio_signal_add_frequency(signal, 5000, 0);
- igt_assert(ret == 0);
+ for (i = 0; i < test_freqs_len; i++) {
+ ret = audio_signal_add_frequency(signal,
+ test_freqs[i],
+ 0);
+ igt_assert(ret == 0);
+ }

audio_signal_synthesize(signal);
}
@@ -94,6 +118,9 @@ igt_main
igt_subtest("signal-detect-noise")
test_signal_detect_noise(signal);

+ igt_subtest("signal-detect-missing")
+ test_signal_detect_missing(signal);
+
igt_fixture {
audio_signal_fini(signal);
}
--
2.21.0