scrcpy/app/tests/test_cbuf.c
Romain Vimont b38292cd69 Add generic circular buffer
Add a circular buffer implementation, to factorize multiple specific
queues implementation.
2019-05-30 22:30:18 +02:00

74 lines
1.5 KiB
C

#include <assert.h>
#include <string.h>
#include "cbuf.h"
struct int_queue CBUF(int, 32);
static void test_cbuf_empty(void) {
struct int_queue queue;
cbuf_init(&queue);
assert(cbuf_is_empty(&queue));
bool push_ok = cbuf_push(&queue, 42);
assert(push_ok);
assert(!cbuf_is_empty(&queue));
int item;
bool take_ok = cbuf_take(&queue, &item);
assert(take_ok);
assert(cbuf_is_empty(&queue));
bool take_empty_ok = cbuf_take(&queue, &item);
assert(!take_empty_ok); // the queue is empty
}
static void test_cbuf_full(void) {
struct int_queue queue;
cbuf_init(&queue);
assert(!cbuf_is_full(&queue));
// fill the queue
for (int i = 0; i < 32; ++i) {
bool ok = cbuf_push(&queue, i);
assert(ok);
}
bool ok = cbuf_push(&queue, 42);
assert(!ok); // the queue if full
int item;
bool take_ok = cbuf_take(&queue, &item);
assert(take_ok);
assert(!cbuf_is_full(&queue));
}
static void test_cbuf_push_take(void) {
struct int_queue queue;
cbuf_init(&queue);
bool push1_ok = cbuf_push(&queue, 42);
assert(push1_ok);
bool push2_ok = cbuf_push(&queue, 35);
assert(push2_ok);
int item;
bool take1_ok = cbuf_take(&queue, &item);
assert(take1_ok);
assert(item == 42);
bool take2_ok = cbuf_take(&queue, &item);
assert(take2_ok);
assert(item == 35);
}
int main(void) {
test_cbuf_empty();
test_cbuf_full();
test_cbuf_push_take();
return 0;
}