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tests: lib: spsc_pbuf: Add test for getting maximum utilization

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Add test for CONFIG_SPSC_PBUF_UTILIZATION option.

Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
This commit is contained in:
Krzysztof Chruscinski 2022-06-01 13:55:01 +02:00 • committed by Carles Cufí
commit cf19d7ef82
2 changed files with 50 additions and 0 deletions
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42
tests/lib/spsc_pbuf/src/main.c
View file

@ -366,6 +366,48 @@ ZTEST(test_spsc_pbuf, test_largest_alloc)
PACKET_WRITE(pb, SPSC_PBUF_MAX_LEN - 1, 0, 1, 12);
}
ZTEST(test_spsc_pbuf, test_utilization)
{
static uint8_t buffer[64] __aligned(MAX(CONFIG_SPSC_PBUF_CACHE_LINE, 4));
struct spsc_pbuf *pb;
uint32_t capacity;
uint16_t len1, len2, len3;
int u;
pb = spsc_pbuf_init(buffer, sizeof(buffer), 0);
if (!IS_ENABLED(CONFIG_SPSC_PBUF_UTILIZATION)) {
zassert_equal(spsc_pbuf_get_utilization(pb), -ENOTSUP, NULL);
return;
}
capacity = spsc_pbuf_capacity(pb);
len1 = 10;
PACKET_WRITE(pb, len1, len1, 0, len1);
u = spsc_pbuf_get_utilization(pb);
zassert_equal(u, 0, NULL);
PACKET_CONSUME(pb, len1, 0);
u = spsc_pbuf_get_utilization(pb);
zassert_equal(u, ROUND_UP(len1, sizeof(uint32_t)) + sizeof(uint32_t), NULL);
len2 = 11;
PACKET_WRITE(pb, len2, len2, 1, len2);
PACKET_CONSUME(pb, len2, 1);
u = spsc_pbuf_get_utilization(pb);
zassert_equal(u, ROUND_UP(len2, sizeof(uint32_t)) + sizeof(uint32_t), NULL);
len3 = capacity - ROUND_UP(len1, sizeof(uint32_t)) - ROUND_UP(len2, sizeof(uint32_t))
- 3 * sizeof(uint32_t) + sizeof(uint32_t);
PACKET_WRITE(pb, SPSC_PBUF_MAX_LEN, len3, 2, len3);
PACKET_CONSUME(pb, len3, 2);
u = spsc_pbuf_get_utilization(pb);
int exp_u = ROUND_UP(len3, sizeof(uint32_t)) + sizeof(uint32_t);
zassert_equal(u, exp_u, NULL);
}
struct stress_data {
struct spsc_pbuf *pbuf;
uint32_t capacity;

8
tests/lib/spsc_pbuf/testcase.yaml
View file

@ -21,6 +21,14 @@ tests:
extra_configs:
- CONFIG_SPSC_PBUF_CACHE_NEVER=y
lib.spsc_pbuf_utilization:
integration_platforms:
- native_posix
# Exclude platform which does not link with cache functions
platform_exclude: ast1030_evb
extra_configs:
- CONFIG_SPSC_PBUF_UTILIZATION=y
lib.spsc_pbuf_stress:
platform_allow: qemu_x86
extra_configs: