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#include <stdio.h>
#include <stdarg.h>
#include <string.h>
static void WriteFrmtd(FILE *stream ,char *format, ...)
{
va_list args;
va_start(args, format);
vfprintf(stream, format, args);
va_end(args);
}
static int vfprintf_entry(void)
{
int ret = 0;
char buf[64] = {0};
char test_data[] = "vfprintf test:2021-8-1 3.14 0xff";
FILE *stream = fopen("fopen_file.txt", "w");
if(stream)
{
WriteFrmtd(stream, "vfprintf test:%s-%d-%c %.02f 0x%x","2021" ,8 ,'1' ,3.14 ,0xff);
fclose(stream);
stream = fopen("fopen_file.txt","r");
fread(buf, 1, sizeof(test_data), stream);
if(strcmp(buf, test_data))
{
ret = -1;
}
fclose(stream);
}
else
{
ret = -1;
}
return ret;
}
#include <utest.h>
static void test_vfprintf(void)
{
uassert_int_equal(vfprintf_entry(), 0);
}
static void testcase(void)
{
UTEST_UNIT_RUN(test_vfprintf);
}
UTEST_TC_EXPORT(testcase, "rtt_posix_testcase.stdio_h."__FILE__, RT_NULL, RT_NULL, 10);
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