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#include "../tests.h"
#include <shared/container/ring.h>
#include <string.h>
static void test_ringbuf(void) {
char backbuf[16], cmpbuf[16];
size_t num_read = 0, num_written = 0;
uint8_t c;
ring_t r = {backbuf, 16, 0, 0};
/* aliasing */
for (size_t i = 0; i < 16; i++) {
test(ring_used(&r) == 0);
test(ring_avail(&r) == 16);
ring_put(&r, "11 bytes...", 11);
test(ring_used(&r) == 11);
test(ring_avail(&r) == 5);
memset(cmpbuf, 0, sizeof cmpbuf);
test(ring_get(&r, cmpbuf, 16) == 11);
test(memcmp(cmpbuf, "11 bytes...", 11) == 0);
}
test(ring_used(&r) == 0);
for (size_t i = 0; i < 7; i++)
ring_put1b(&r, num_written++);
test(ring_used(&r) == 7);
for (size_t i = 0; i < 3; i++) {
ring_get(&r, &c, 1);
test(num_read++ == c);
}
test(ring_used(&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(ring_used(&r) == 11);
for (size_t i = 0; i < 7; i++) {
ring_get(&r, &c, 1);
test((num_read++ & 0xff) == c);
}
test(ring_used(&r) == 4);
}
}
void r_s_ringbuf(void) {
run_test(test_ringbuf);
}
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