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--TEST--
Test usleep() function
--SKIPIF--
<?php
if (getenv("SKIP_SLOW_TESTS")) die("skip slow test");
?>
--FILE--
<?php
/* Prototype : void usleep ( int $micro_seconds )
* Description: Delays program execution for the given number of micro seconds.
* Source code: ext/standard/basic_functions.c
*/
set_time_limit(20);
echo "*** Testing usleep() : basic functionality ***\n";
$sleeptime = 1000000; // == 1 seconds
// Test passes if sleeps for at least 98% of specified time
$sleeplow = $sleeptime - ($sleeptime * 2 /100);
$time_start = microtime(true);
// Sleep for a while
usleep($sleeptime);
$time_end = microtime(true);
$time = ($time_end - $time_start) * 1000 * 1000;
$summary = "Thread slept for " . $time . " micro-seconds\n";
if ($time >= $sleeplow) {
echo "TEST PASSED: $summary";
} else {
echo "TEST FAILED: $summary";
}
?>
--EXPECTF--
*** Testing usleep() : basic functionality ***
TEST PASSED: Thread slept for %f micro-seconds
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