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

45 lines
875 B
C

#include <stdio.h>
#include <string.h>
static int fdopen_entry(void)
{
long l;
char s[81] = {0};
char c;
int ret = 0;
FILE* stream = fopen("fopen_file.txt","w+");
if(stream == NULL)
{
ret = -1;
perror("fopen");
}
else
{
fprintf(stream,"%s %d %c","a_string",6500,'x');
fseek(stream,0L,SEEK_SET);
fscanf(stream,"%s",s);
fscanf(stream,"%ld",&l);
fscanf(stream," %c",&c);
if((strcmp(s,"a_string") != 0) || (l != 6500) || (c != 'x'))
{
ret = -1;
}
fclose(stream);
}
return ret;
}
#include <utest.h>
static void test_fdopen(void)
{
uassert_int_equal(fdopen_entry(), 0);
}
static void testcase(void)
{
UTEST_UNIT_RUN(test_fdopen);
}
UTEST_TC_EXPORT(testcase, "rtt_posix_testcase.stdio_h."__FILE__, RT_NULL, RT_NULL, 10);