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#include <kernel/tests/base.h>
#include <kernel/tests/tests.h>
#include <shared/container/ring.h>
#include <shared/mem.h>
TEST(memcmp) {
// basic equality checks
TEST_COND(0 == memcmp("some", "thing", 0));
TEST_COND(0 != memcmp("some", "thing", 1));
TEST_COND(0 != memcmp("some", "thing", 4));
TEST_COND(0 == memcmp("test", "tennis", 0));
TEST_COND(0 == memcmp("test", "tennis", 1));
TEST_COND(0 == memcmp("test", "tennis", 2));
TEST_COND(0 != memcmp("test", "tennis", 3));
TEST_COND(0 != memcmp("test", "tennis", 4));
TEST_COND(0 != memcmp("test", "tennis", 5));
// test signs. does anyone even use that?
TEST_COND(0 > memcmp("foo", "moo", 4));
TEST_COND(0 < memcmp("moo", "foo", 4));
TEST_COND(0 > memcmp("555", "654", 3));
TEST_COND(0 < memcmp("654", "555", 3));
}
TEST(strcmp) {
TEST_COND(0 == strcmp("string", "string"));
TEST_COND(0 > strcmp("str", "string"));
TEST_COND(0 < strcmp("string", "str"));
TEST_COND(0 != strcmp("stress", "string"));
}
TEST(ring) {
char 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);
}
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