rt-thread/examples/utest/testcases/posix/stdio_h/functions/ftell_tc.c

39 lines
685 B
C

#include <stdio.h>
#include <string.h>
static int ftell_entry(void)
{
FILE *stream;
char str[] = "123456789";
int ret = 0;
stream = fopen("fopen_file.txt","w");
if (stream == NULL)
{
perror("fopen");
ret = -1;
}
else
{
fprintf(stream, "%s",str);
if(ftell(stream) != strlen(str))
{
ret = -1;
}
fclose(stream);
}
return ret;
}
#include <utest.h>
static void test_ftell(void)
{
uassert_int_equal(ftell_entry(), 0);
}
static void testcase(void)
{
UTEST_UNIT_RUN(test_ftell);
}
UTEST_TC_EXPORT(testcase, "rtt_posix_testcase.stdio_h."__FILE__, RT_NULL, RT_NULL, 10);