tenfourfox/dom/asmjscache/test/test_workers.html
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

75 lines
2.4 KiB
HTML

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=941830
-->
<head>
<meta charset="utf-8">
<title>asm.js browser tests</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=941830">asm.js browser tests</a>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test"></pre>
<script>
var jsFuns = SpecialPowers.Cu.getJSTestingFunctions();
function runTest() {
var asmjsCode = "function f() { 'use asm';";
for (var i = 0; i < 5000; i++)
asmjsCode += "function g" + i + "() { return " + i + "}";
asmjsCode += "return g42 }";
ok(asmjsCode.length > 100000, "code is long enough to definitely hit the cache");
var workerCode = asmjsCode;
workerCode += "if (f()() !== 42) postMessage('fail'); else postMessage('ok');";
workerCode = 'var code = "' + workerCode + '"; eval(code); eval(code)';
var workerBlob = new Blob([workerCode], {type:"application/javascript"});
var mainCode = asmjsCode;
mainCode += "ok(jsFuns.isAsmJSModuleLoadedFromCache(f), 'f is a cache hit')\n";
mainCode += "var g42 = f();\n";
mainCode += "ok(jsFuns.isAsmJSFunction(g42), 'g42 is an asm.js function');\n";
mainCode += "ok(g42() === 42, 'g42 returns the correct result');\n";
mainCode += "SimpleTest.finish();\n";
var mainBlob = new Blob([mainCode], {type:"application/javascript"});
var w = new Worker(URL.createObjectURL(workerBlob));
var received = 0;
w.onmessage = function(e) {
switch (received) {
case 0:
ok(e.data === "ok", "Received first message");
received = 1;
break;
case 1:
ok(e.data === "ok", "Received second message");
received = 2;
var script = document.createElement('script');
script.src = URL.createObjectURL(mainBlob);
document.body.appendChild(script);
break;
default:
throw "Huh?";
}
}
SimpleTest.waitForExplicitFinish();
}
if (!jsFuns.isAsmJSCompilationAvailable()) {
ok(true, "isAsmJSCompilationAvailable is false, skipping this test!");
} else {
runTest();
}
</script>
</body>
</html>