#include <check.h>
#include <unistd.h>
#include "ucore/ringbuf.h"

START_TEST (test_ringbuf)
{

    UCRingBuf rb;
    int rc;
    int pgsize = getpagesize();
    rc = uc_ringbuf_init(&rb, pgsize);
    ck_assert_int_eq(rc, 0);
    ck_assert_int_eq(uc_ringbuf_available(&rb), pgsize);


    for (int i = 0 ; i < pgsize; i++) {
        unsigned char data = i % 256;
        rc = uc_ringbuf_write(&rb, &data, 1);
        ck_assert_int_eq(rc, 0);

    }
    ck_assert_int_eq(uc_ringbuf_available(&rb), 0);


    for (int i = 0; i < pgsize; i++) {
        unsigned char data = 0;
        rc = uc_ringbuf_read(&rb, &data, 1);
        ck_assert_int_eq(rc, 0);
        ck_assert_int_eq(data, i % 256);
    }
    ck_assert_int_eq(uc_ringbuf_available(&rb), pgsize);

}

Suite *ringbuf_suite(void)
{
    Suite *s = suite_create("ringbuf");
    TCase *tc1 = tcase_create("ringbuf");

    tcase_add_test(tc1, test_ringbuf);
#ifndef __APPLE__
#endif

    suite_add_tcase(s, tc1);

    return s;
}