blob: 0cbc9a14131bd6ad8d67e658cd98c42720f7405b [file] [log] [blame]
<!DOCTYPE html>
<html>
<head>
<script src="../resources/js-test.js"></script>
</head>
<body>
<p id="description"></p>
<div id="console"></div>
<script>
description("Tests concurrent calls to crypto.randomValues from workers.");
// Generate random values from different 10 workers, and wait until they
// have all finished.
var randomValues = {};
var numRandomValues = 0;
var NUM_WORKERS = 10;
self.jsTestIsAsync = true;
// Asserts that each call to receivedRandomValue() contains unique bytes.
// The bytes are 100 randomly generated, and as such have an extremely low
// probability of matching each other.
function workerGeneratedRandomBytes(bytes)
{
if (bytes.length != 100)
throw "bytes is not the right length: " + bytes.length;
var bytesStr = Array.prototype.join.call(bytes, '');
if (bytesStr in randomValues)
debug("Generated a duplicate 'random' number: " + bytesStr);
else
debug("Received random bytes from worker");
randomValues[bytesStr] = true;
if (++numRandomValues == NUM_WORKERS)
finishJSTest();
}
for (var i = 0; i < NUM_WORKERS; ++i) {
var worker = new Worker('resources/random-values-concurrent.js');
worker.onmessage = function(event)
{
if (event.data instanceof Uint8Array)
workerGeneratedRandomBytes(event.data);
else
debug('[Worker] ' + event.data);
}
worker.onerror = function(event)
{
debug('Got error from worker: ' + event.message);
finishJSTest();
}
}
</script>
</body>
</html>