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Annotation of embedaddon/php/ext/standard/tests/general_functions/usleep_basic.phpt, revision 1.1

1.1     ! misho       1: --TEST--
        !             2: Test usleep() function
        !             3: --SKIPIF--
        !             4: <?php
        !             5: if (getenv("SKIP_SLOW_TESTS")) die("skip slow test");
        !             6: ?>
        !             7: --FILE--
        !             8: <?php
        !             9: /* Prototype  : void usleep  ( int $micro_seconds  )
        !            10:  * Description: Delays program execution for the given number of micro seconds. 
        !            11:  * Source code: ext/standard/basic_functions.c
        !            12:  */
        !            13:  
        !            14: set_time_limit(20);
        !            15:  
        !            16: echo "*** Testing usleep() : basic functionality ***\n";
        !            17: 
        !            18: $sleeptime = 5000000; // == 5 seconds
        !            19: // Test passes if sleeps for at least 98% of specified time 
        !            20: $sleeplow = $sleeptime - ($sleeptime * 2 /100);
        !            21: 
        !            22: $time_start = microtime(true);
        !            23: 
        !            24: // Sleep for a while
        !            25: usleep($sleeptime);
        !            26: 
        !            27: $time_end = microtime(true);
        !            28: $time = ($time_end - $time_start) * 1000 * 1000;
        !            29: 
        !            30: echo "Thread slept for " . $time . " micro-seconds\n";
        !            31: 
        !            32: if ($time >= $sleeplow) {
        !            33:        echo "TEST PASSED\n";
        !            34: } else {
        !            35:        echo "TEST FAILED\n";
        !            36: }
        !            37: ?>
        !            38: ===DONE===
        !            39: --EXPECTF--
        !            40: *** Testing usleep() : basic functionality ***
        !            41: Thread slept for %f micro-seconds
        !            42: TEST PASSED
        !            43: ===DONE===