1 #include <stdio.h> 2 printf_entry(void)3static int printf_entry(void) 4 { 5 printf("printf test:%s-%d-%c %f 0x%x","2021" ,8 ,'1' ,3.14 ,0xff); 6 return 0; 7 } 8 9 #include <utest.h> test_printf(void)10static void test_printf(void) 11 { 12 uassert_int_equal(printf_entry(), 0); 13 } testcase(void)14static void testcase(void) 15 { 16 UTEST_UNIT_RUN(test_printf); 17 } 18 UTEST_TC_EXPORT(testcase, "rtt_posix_testcase.stdio_h."__FILE__, RT_NULL, RT_NULL, 10); 19 20