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//=================================================================
//
//        time.c
//
//        Testcase for C library time()
//
//=================================================================
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//=================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     jlarmour
// Contributors:  jlarmour
// Date:          1999-03-05
// Description:   Contains testcode for C library time() function
//
//
//####DESCRIPTIONEND####
 
// CONFIGURATION
 
#include <pkgconf/libc_time.h>   // Configuration header
 
// INCLUDES
 
#include <time.h>
#include <cyg/infra/testcase.h>
 
// CONSTANTS
 
// This defines how many loops before we decide that
// time() doesn't work
#define MAX_TIMEOUT 50000000
 
 
// FUNCTIONS
 
int
main(int argc, char *argv[])
{
    time_t t1, t2;
    unsigned long ctr;
 
    CYG_TEST_INIT();
 
    CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "
                  "time() function");
 
    t1 = time(&t2);
 
    CYG_TEST_PASS_FAIL(t1==t2, "time() return value == argument");
 
    if (t1 == (time_t)-1)  // unimplemented is just as valid
    {
#ifndef CYGSEM_LIBC_TIME_TIME_WORKING
        CYG_TEST_PASS_FINISH( "time() returns -1, meaning unimplemented");
#else
        CYG_TEST_FAIL("time() returned -1 unnecessarily");
#endif
    } // if
 
    // First wait for a clock tick 
 
    for (ctr = 0; ctr<MAX_TIMEOUT; ctr++) {
        if ((t2=time(NULL)) > t1)
            break; // Hit the next time pulse
    }
    CYG_TEST_PASS_FAIL( ctr< MAX_TIMEOUT, "time()'s state changes");
 
#ifdef CYGSEM_LIBC_TIME_SETTIME_WORKING
    CYG_TEST_PASS_FAIL(cyg_libc_time_settime(0)==0, "Set time to 0");
 
    t1 = time(NULL);
 
    // give it a small amount of tolerance
    CYG_TEST_PASS_FAIL(t1 < 3, "t1 remembered setting");
 
    CYG_TEST_PASS_FAIL(cyg_libc_time_settime(1000)==0, "Set time to 1000");
 
    // give it a small amount of tolerance
    CYG_TEST_PASS_FAIL(t1 < 1003, "t1 remembered setting");
 
#else // ! CYGSEM_LIBC_TIME_SETTIME_WORKING
    CYG_TEST_PASS_FAIL(cyg_libc_time_settime(0)!=0,
                       "Set time expected fail");
#endif // CYGSEM_LIBC_TIME_SETTIME_WORKING
 
    CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "
                    "time() function");
} // main()
 
// EOF time.c