LayoutTests/fast/dom/timer-increase-min-interval-repeating.html - WebKit - Git at Google

 <html>
 <head>
 <script>
 function log(msg) {
     var element = document.createElement("div");
     element.textContent = msg;
     document.body.appendChild(element);
     document.body.appendChild(document.createElement("br"));
 }

 var count = 0;
 function fastTimeoutHandler() {
     ++count;
 }

 function slowTimeoutHandler() {
     // Note: the count threshold is tied somewhat to the
     // maxTimerNestingLevel in DOMTimer.cpp.
     if (count < 10)
         log("PASS");
     else
         log("FAIL -- timeout ran " + count + " times");
     testRunner.notifyDone();
 }

 function runTest() {
     if (!window.testRunner) {
         log("This test requires the LayoutTestController");
         return;
     }

     testRunner.dumpAsText();
     testRunner.waitUntilDone();

     // Make timers run no more often than twice a second.
     internals.settings.setMinimumTimerInterval(0.5);

     setInterval(slowTimeoutHandler, 1000);
     setInterval(fastTimeoutHandler, 1);
 }
 </script>
 </head>
 <body onload="runTest()">
 </body>
 </html>
	<html>
	<head>
	<script>
	function log(msg) {
	var element = document.createElement("div");
	element.textContent = msg;
	document.body.appendChild(element);
	document.body.appendChild(document.createElement("br"));
	}

	var count = 0;
	function fastTimeoutHandler() {
	++count;
	}

	function slowTimeoutHandler() {
	// Note: the count threshold is tied somewhat to the
	// maxTimerNestingLevel in DOMTimer.cpp.
	if (count < 10)
	log("PASS");
	else
	log("FAIL -- timeout ran " + count + " times");
	testRunner.notifyDone();
	}

	function runTest() {
	if (!window.testRunner) {
	log("This test requires the LayoutTestController");
	return;
	}

	testRunner.dumpAsText();
	testRunner.waitUntilDone();

	// Make timers run no more often than twice a second.
	internals.settings.setMinimumTimerInterval(0.5);

	setInterval(slowTimeoutHandler, 1000);
	setInterval(fastTimeoutHandler, 1);
	}
	</script>
	</head>
	<body onload="runTest()">
	</body>
	</html>