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

45 lines
785 B
C

#include <stdio.h>
static int putc_entry(void)
{
FILE *stream;
int ch = 'a';
int getc = {0};
size_t size = 0;
int ret = 0;
stream = fopen("fopen_file.txt","w");
if (stream == NULL)
{
perror("fopen fail");
ret = -1;
goto __exit;
}
putc(ch, stream);
fclose(stream);
stream = fopen("fopen_file.txt","r");
getc = fgetc(stream);
if(getc != ch)
{
printf("fputc test:getc %c",getc);
ret = -1;
}
__exit:
fclose(stream);
return ret;
}
#include <utest.h>
static void test_putc(void)
{
uassert_int_equal(putc_entry(), 0);
}
static void testcase(void)
{
UTEST_UNIT_RUN(test_putc);
}
UTEST_TC_EXPORT(testcase, "rtt_posix_testcase.stdio_h."__FILE__, RT_NULL, RT_NULL, 10);