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tests: lib: mpsc_pbuf: Add test case for max packet allocation

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Add test for validating max packet allocation.

Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
This commit is contained in:
Krzysztof Chruscinski 2021-04-27 09:27:40 +02:00 • committed by Christopher Friedt
commit 60210a6191
1 changed files with 34 additions and 0 deletions
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34
tests/lib/mpsc_pbuf/src/main.c
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@ -548,6 +548,39 @@ void test_item_alloc_commit(void)
item_alloc_commit(false);
}
void item_max_alloc(bool overwrite)
{
struct mpsc_pbuf_buffer buffer;
struct test_data_var *packet;
init(&buffer, overwrite, true);
/* First try to allocate the biggest possible packet. */
for (int i = 0; i < 2; i++) {
packet = (struct test_data_var *)mpsc_pbuf_alloc(&buffer,
buffer.size - 1,
K_NO_WAIT);
zassert_true(packet != NULL, NULL);
packet->hdr.len = buffer.size - 1;
mpsc_pbuf_commit(&buffer, (union mpsc_pbuf_generic *)packet);
packet = (struct test_data_var *)mpsc_pbuf_claim(&buffer);
mpsc_pbuf_free(&buffer, (union mpsc_pbuf_generic *)packet);
}
/* Too big packet cannot be allocated. */
packet = (struct test_data_var *)mpsc_pbuf_alloc(&buffer,
buffer.size,
K_NO_WAIT);
zassert_true(packet == NULL, NULL);
}
void test_item_max_alloc(void)
{
item_max_alloc(true);
item_max_alloc(false);
}
static uint32_t saturate_buffer_uneven(struct mpsc_pbuf_buffer *buffer,
uint32_t len)
{
@ -1041,6 +1074,7 @@ void test_main(void)
ztest_unit_test(test_benchmark_item_put_ext),
ztest_unit_test(test_benchmark_item_put_data),
ztest_unit_test(test_item_alloc_commit),
ztest_unit_test(test_item_max_alloc),
ztest_unit_test(test_item_alloc_commit_saturate),
ztest_unit_test(test_item_alloc_preemption),
ztest_unit_test(test_overwrite),