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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