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tests: add test to verify correct minreq behaviour

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Fixed up by Ulrich Eckhardt <ulrich.eckhardt@base-42.de>.

Signed-off-by: Arun Raghavan <arun@arunraghavan.net>
This commit is contained in:
Pierre Ossman 2016-06-26 23:39:11 +02:00 • committed by Arun Raghavan
parent eeec52caa0
commit 06b84bfd05
1 changed files with 80 additions and 0 deletions
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80
src/tests/memblockq-test.c
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@ -212,6 +212,85 @@ START_TEST (memblockq_test) {
}
END_TEST
START_TEST (pop_missing_test) {
int ret;
size_t missing;
pa_mempool *p;
pa_memblockq *bq;
pa_memchunk chunk;
char buffer[2048];
pa_sample_spec ss = {
.format = PA_SAMPLE_S16LE,
.rate = 48000,
.channels = 1
};
pa_log_set_level(PA_LOG_DEBUG);
bq = pa_memblockq_new("test memblockq", 0, 4096, 2048, &ss, 0, 512, 512, NULL);
fail_unless(bq != NULL);
/* Empty buffer, so expect tlength */
missing = pa_memblockq_pop_missing(bq);
fail_unless(missing == 2048);
/* Everything requested, so should be satisfied */
missing = pa_memblockq_pop_missing(bq);
fail_unless(missing == 0);
p = pa_mempool_new(PA_MEM_TYPE_PRIVATE, 0, true);
chunk.memblock = pa_memblock_new_fixed(p, buffer, sizeof(buffer), 1);
fail_unless(chunk.memblock != NULL);
chunk.index = 0;
chunk.length = sizeof(buffer);
/* Fill buffer (i.e. satisfy earlier request) */
ret = pa_memblockq_push(bq, &chunk);
fail_unless(ret == 0);
/* Should still be happy */
missing = pa_memblockq_pop_missing(bq);
fail_unless(missing == 0);
/* Check that we don't request less than minreq */
pa_memblockq_drop(bq, 400);
missing = pa_memblockq_pop_missing(bq);
ck_assert_int_eq(missing, 0);
missing = pa_memblockq_pop_missing(bq);
fail_unless(missing == 0);
/* Reduce tlength under what's dropped and under previous minreq */
pa_memblockq_set_tlength(bq, 256);
pa_memblockq_set_minreq(bq, 64);
/* We are now overbuffered and should not request more */
missing = pa_memblockq_pop_missing(bq);
fail_unless(missing == 0);
/* Drop more data so we are below tlength again, but just barely */
pa_memblockq_drop(bq, 1400);
/* Should still honour minreq */
missing = pa_memblockq_pop_missing(bq);
fail_unless(missing == 0);
/* Finally drop enough to fall below minreq */
pa_memblockq_drop(bq, 80);
/* And expect a request */
missing = pa_memblockq_pop_missing(bq);
fail_unless(missing == 88);
pa_memblockq_free(bq);
pa_memblock_unref(chunk.memblock);
pa_mempool_unref(p);
}
END_TEST
int main(int argc, char *argv[]) {
int failed = 0;
Suite *s;
@ -221,6 +300,7 @@ int main(int argc, char *argv[]) {
s = suite_create("Memblock Queue");
tc = tcase_create("memblockq");
tcase_add_test(tc, memblockq_test);
tcase_add_test(tc, pop_missing_test);
suite_add_tcase(s, tc);
sr = srunner_create(s);