security/crypto-random-values-limits.html

<!DOCTYPE html>
<html>
<head>
<script src="../fast/js/resources/js-test-pre.js"></script>
<script src="resources/utilities.js"></script>
</head>
<body>
<p id="description"></p>
<div id="console"></div>
<script>
description("Tests the limits of crypto.randomValues.");

if (!window.ArrayBuffer)
    debug("This test requres ArrayBuffers to run!");

shouldBe("'crypto' in window", "true");
shouldBe("'getRandomValues' in window.crypto", "true");

try {
    var almostTooLargeArray = new Uint8Array(65536);
    var tooLargeArray = new Uint8Array(65537);

    shouldNotThrow("crypto.getRandomValues(almostTooLargeArray)");
    shouldThrow("crypto.getRandomValues(tooLargeArray)");
} catch(ex) {
    debug(ex);
}

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