LayoutTests/crypto/crypto-random-values-oom.html - WebKit - Git at Google

 <!DOCTYPE HTML><!-- webkit-test-runner [ dumpJSConsoleLogInStdErr=true ] -->
 <html>
 <head>
 <meta charset="utf-8">
 <script src="../resources/js-test.js"></script>
 </head>
 <body>
 <script>
 description("Test crypto.getRandomValues behavior in oom situation.")

 let exceptionString = undefined;

 function useAllMemory() {
     const a = [0];
     a.__proto__ = {};
     Object.defineProperty(a, 0, {get: foo});
     Object.defineProperty(a, 80000000, {});

     function foo() {
         new Uint8Array(a);
     }

     new Promise(foo);
     try {
         for (let i = 0; i < 2**32; i++) {
           new ArrayBuffer(1000);
         }
     } catch {
     }
 }

 useAllMemory();
 try {
     crypto.getRandomValues(new Uint8Array());
 } catch (e) {
     gc();
     exceptionString = e.toString();
 }
 gc();
 shouldBeTrue("exceptionString == undefined || exceptionString === \"TypeError: Argument 1 ('array') to Crypto.getRandomValues must be an instance of ArrayBufferView\"");
 testPassed("crypto.getRandomValues didn't crash");
 </script>
 </body>
 </html>
	<!DOCTYPE HTML><!-- webkit-test-runner [ dumpJSConsoleLogInStdErr=true ] -->
	<html>
	<head>
	<meta charset="utf-8">
	<script src="../resources/js-test.js"></script>
	</head>
	<body>
	<script>
	description("Test crypto.getRandomValues behavior in oom situation.")

	let exceptionString = undefined;

	function useAllMemory() {
	const a = [0];
	a.__proto__ = {};
	Object.defineProperty(a, 0, {get: foo});
	Object.defineProperty(a, 80000000, {});

	function foo() {
	new Uint8Array(a);
	}

	new Promise(foo);
	try {
	for (let i = 0; i < 2**32; i++) {
	new ArrayBuffer(1000);
	}
	} catch {
	}
	}

	useAllMemory();
	try {
	crypto.getRandomValues(new Uint8Array());
	} catch (e) {
	gc();
	exceptionString = e.toString();
	}
	gc();
	shouldBeTrue("exceptionString == undefined \|\| exceptionString === \"TypeError: Argument 1 ('array') to Crypto.getRandomValues must be an instance of ArrayBufferView\"");
	testPassed("crypto.getRandomValues didn't crash");
	</script>
	</body>
	</html>