LayoutTests/js/dom/deep-recursion-test.html - WebKit - Git at Google

 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
 <html>
 <head>
 <script src="../../resources/js-test-pre.js"></script>
 </head>
 <body>
 <script>
     description("This test how deep we can recurse, and that we get an exception when we do, as opposed to a stack overflow.");

     function simpleRecursion(depth) {
         if (depth)
             simpleRecursion(depth - 1);
     }

     try {
         simpleRecursion(17472);
     } catch (ex) {
         debug("FAIL: " + ex);
     }

     try {
         simpleRecursion(10000000);
     } catch (ex) {
         var msg = String(eval(ex));
         shouldBe("msg", "'RangeError: Maximum call stack size exceeded.'");
     }

     try {
         simpleRecursion(1000000000);
     } catch (ex) {
         var msg = String(eval(ex));
         shouldBe("msg", "'RangeError: Maximum call stack size exceeded.'");
     }

     var tooFewArgsDepth = 0;

     function tooFewArgsRecursion(a) {
         if (tooFewArgsDepth) {
             tooFewArgsDepth--;
             tooFewArgsRecursion();
         }
     }

     try {
         tooFewArgsDepth = 10000000;
         tooFewArgsRecursion();
     } catch (ex) {
         var msg = String(eval(ex));
         shouldBe("msg", "'RangeError: Maximum call stack size exceeded.'");
     }

     function tooManyArgsRecursion(depth) {
         if (depth)
             tooManyArgsRecursion(depth - 1, 1);
     }

     try {
         tooManyArgsRecursion(10000000, 1);
     } catch (ex) {
         var msg = String(eval(ex));
         shouldBe("msg", "'RangeError: Maximum call stack size exceeded.'");
     }

 </script>
 <script src="../../resources/js-test-post.js"></script>
 </body>
 </html>
	<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
	<html>
	<head>
	<script src="../../resources/js-test-pre.js"></script>
	</head>
	<body>
	<script>
	description("This test how deep we can recurse, and that we get an exception when we do, as opposed to a stack overflow.");

	function simpleRecursion(depth) {
	if (depth)
	simpleRecursion(depth - 1);
	}

	try {
	simpleRecursion(17472);
	} catch (ex) {
	debug("FAIL: " + ex);
	}

	try {
	simpleRecursion(10000000);
	} catch (ex) {
	var msg = String(eval(ex));
	shouldBe("msg", "'RangeError: Maximum call stack size exceeded.'");
	}

	try {
	simpleRecursion(1000000000);
	} catch (ex) {
	var msg = String(eval(ex));
	shouldBe("msg", "'RangeError: Maximum call stack size exceeded.'");
	}

	var tooFewArgsDepth = 0;

	function tooFewArgsRecursion(a) {
	if (tooFewArgsDepth) {
	tooFewArgsDepth--;
	tooFewArgsRecursion();
	}
	}

	try {
	tooFewArgsDepth = 10000000;
	tooFewArgsRecursion();
	} catch (ex) {
	var msg = String(eval(ex));
	shouldBe("msg", "'RangeError: Maximum call stack size exceeded.'");
	}

	function tooManyArgsRecursion(depth) {
	if (depth)
	tooManyArgsRecursion(depth - 1, 1);
	}

	try {
	tooManyArgsRecursion(10000000, 1);
	} catch (ex) {
	var msg = String(eval(ex));
	shouldBe("msg", "'RangeError: Maximum call stack size exceeded.'");
	}

	</script>
	<script src="../../resources/js-test-post.js"></script>
	</body>
	</html>