diff options
Diffstat (limited to 'src/kernel/tests/util.c')
| -rw-r--r-- | src/kernel/tests/util.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/kernel/tests/util.c b/src/kernel/tests/util.c index e7dcb82..2442d47 100644 --- a/src/kernel/tests/util.c +++ b/src/kernel/tests/util.c @@ -1,5 +1,6 @@ #include <kernel/tests/base.h> #include <kernel/tests/tests.h> +#include <shared/container/ring.h> #include <shared/mem.h> TEST(memcmp) { @@ -30,7 +31,37 @@ TEST(strcmp) { TEST_COND(0 != strcmp("stress", "string")); } +TEST(ring) { + char buf[16], backbuf[16]; + size_t num_read = 0, num_written = 0; + uint8_t c; + + ring_t r = {backbuf, 16, 0, 0}; + + TEST_COND(ring_size(&r) == 0); + for (size_t i = 0; i < 7; i++) + ring_put1b(&r, num_written++); + TEST_COND(ring_size(&r) == 7); + for (size_t i = 0; i < 3; i++) { + ring_get(&r, &c, 1); + TEST_COND(num_read++ == c); + } + TEST_COND(ring_size(&r) == 4); + + for (size_t j = 0; j < 40; j++) { + for (size_t i = 0; i < 7; i++) + ring_put1b(&r, num_written++ & 0xff); + TEST_COND(ring_size(&r) == 11); + for (size_t i = 0; i < 7; i++) { + ring_get(&r, &c, 1); + TEST_COND((num_read++ & 0xff) == c); + } + TEST_COND(ring_size(&r) == 4); + } +} + void tests_utils(void) { TEST_RUN(memcmp); TEST_RUN(strcmp); + TEST_RUN(ring); } |