gecko-dev/dom/asmjscache/test/test_cachingBasic.html

71 строка
2.0 KiB
HTML

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=929236
-->
<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=929236">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();
var code = "function f() { 'use asm';\n";
for (var i = 0; i < 5000; i++)
code += "function g" + i + "() { return " + i + "}\n";
code += "return g42 }\n";
code += "ok(jsFuns.isAsmJSModule(f), 'f is an asm.js module')\n";
code += "var g42 = f();\n";
code += "ok(jsFuns.isAsmJSFunction(g42), 'g42 is an asm.js function')\n";
code += "ok(g42() === 42, 'g42 returns the correct result')\n";
code += "finishedEvalAsync(f);";
ok(code.length > 100000, "code is long enough to definitely hit the cache");
function evalAsync(code) {
var blob = new Blob([code], {type:"application/javascript"});
var script = document.createElement('script');
script.src = URL.createObjectURL(blob);
document.body.appendChild(script);
}
var state = 0;
function finishedEvalAsync(module) {
switch (state) {
case 0:
state++;
evalAsync(code);
break;
case 1:
ok(jsFuns.isAsmJSModuleLoadedFromCache(module), 'module loaded from cache');
SimpleTest.finish();
break;
default:
throw "huh?";
}
}
function runTest() {
// generate a big ol asm.js module and compile it async so that we can hit
// the asm.js cache.
SimpleTest.waitForExplicitFinish();
evalAsync(code);
}
if (!jsFuns.isAsmJSCompilationAvailable()) {
ok(true, "isAsmJSCompilationAvailable is false, skipping this test!");
} else {
runTest();
}
</script>
</body>
</html>