#include <stdio.h>
#include <stdlib.h>
#include <string.h>
//#include <errno.h>
//#include <limits.h>
//#include <unistd.h>
#include "test.h"
#define TEST(r, f, x, m) ( \
errno = 0, ((r) = (f)) == (x) || \
(t_error("%s failed (" m ")\n", #f, r, x, strerror(errno)), 0) )
#define TEST_S(s, x, m) ( \
!strcmp((s),(x)) || \
(t_error("[%s] != [%s] (%s)\n", s, x, m), 0) )
int main(void)
{
int i;
char a[100];
FILE *f;
TEST
(i
, !(f
= fopen("_tmpfile.tmp","w+")), 0, "failed to create temp file %d!=%d (%s)");
if (!f) return t_status;
TEST
(i
, fprintf(f
, "hello, world\n"), 13, "%d != %d (%m)"); TEST
(i
, fseek(f
, 0, SEEK_SET
), 0, "%d != %d (%m)");
TEST
(i
, feof(f
), 0, "%d != %d"); TEST
(i
, fgetc(f
), 'h', "'%c' != '%c'"); TEST
(i
, ftell(f
), 1, "%d != %d"); TEST
(i
, ungetc('x', f
), 'x', "%d != %d"); TEST
(i
, ftell(f
), 0, "%d != %d"); TEST
(i
, fscanf(f
, "%[h]", a
), 0, "got %d fields, expected %d"); TEST
(i
, ftell(f
), 0, "%d != %d"); TEST
(i
, fgetc(f
), 'x', "'%c' != '%c'"); TEST
(i
, ftell(f
), 1, "%d != %d");
TEST
(i
, fseek(f
, 0, SEEK_SET
), 0, "%d != %d"); TEST
(i
, ungetc('x', f
), 'x', "%d != %d"); TEST
(i
, fread(a
, 1, sizeof a
, f
), 14, "read %d, expected %d"); a[14] = 0;
TEST_S(a, "xhello, world\n", "mismatch reading ungot character");
TEST
(i
, fseek(f
, 0, SEEK_SET
), 0, "%d != %d"); TEST
(i
, fscanf(f
, "%[x]", a
), 0, "got %d fields, expected %d"); TEST
(i
, ungetc('x', f
), 'x', "unget failed after fscanf: %d != %d"); TEST
(i
, fgetc(f
), 'x', "'%c' != '%c'"); TEST
(i
, fgetc(f
), 'h', "'%c' != '%c'");
printf("%s finished\n", __FILE__
); return t_status;
}