[igt-dev] [PATCH i-g-t 3/5] lib/tests/igt_audio: add test with an extra frequency

Simon Ser
2019-05-29T13:32:44Z

Make sure it fails.

Signed-off-by: Simon Ser <simon.ser@intel.com>
---
lib/tests/igt_audio.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)

diff --git a/lib/tests/igt_audio.c b/lib/tests/igt_audio.c
index 7b068c255973..0f1c39d93728 100644
--- a/lib/tests/igt_audio.c
+++ b/lib/tests/igt_audio.c
@@ -36,6 +36,8 @@ static const int test_freqs[] = { 300, 700, 5000 };

static const size_t test_freqs_len = sizeof(test_freqs) / sizeof(test_freqs[0]);

+#define TEST_EXTRA_FREQ 500
+
static void test_signal_detect_verbatim(struct audio_signal *signal)
{
double buf[BUFFER_LEN];
@@ -89,6 +91,26 @@ static void test_signal_detect_missing(struct audio_signal *signal)
igt_assert(!ok);
}

+static void test_signal_detect_extra(struct audio_signal *signal)
+{
+ double buf[BUFFER_LEN];
+ struct audio_signal *extra;
+ bool ok;
+ size_t i;
+
+ /* Add an extra, unexpected frequency */
+ extra = audio_signal_init(CHANNELS, SAMPLING_RATE);
+ for (i = 0; i < test_freqs_len; i++) {
+ audio_signal_add_frequency(extra, test_freqs[i], 0);
+ }
+ audio_signal_add_frequency(extra, TEST_EXTRA_FREQ, 0);
+ audio_signal_synthesize(extra);
+
+ audio_signal_fill(extra, buf, BUFFER_LEN / CHANNELS);
+ ok = audio_signal_detect(signal, SAMPLING_RATE, 0, buf, BUFFER_LEN);
+ igt_assert(!ok);
+}
+
igt_main
{
struct audio_signal *signal;
@@ -121,6 +143,9 @@ igt_main
igt_subtest("signal-detect-missing")
test_signal_detect_missing(signal);

+ igt_subtest("signal-detect-extra")
+ test_signal_detect_extra(signal);
+
igt_fixture {
audio_signal_fini(signal);
}
--
2.21.0