The Tor Browser: dom/asmjscache/test/test

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 <!DOCTYPE HTML>

     2 <html>

     3 <!--

     4 https://bugzilla.mozilla.org/show_bug.cgi?id=941830

     5 -->

     6 <head>

     7   <meta charset="utf-8">

     8   <title>asm.js browser tests</title>

     9   <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>

    10   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

    11 </head>

    12 <body>

    13   <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=941830">asm.js browser tests</a>

    14   <p id="display"></p>

    15   <div id="content" style="display: none"></div>

    16   <pre id="test"></pre>

    18   <script>

    19   var jsFuns = SpecialPowers.Cu.getJSTestingFunctions();

    20   ok(jsFuns.isAsmJSCompilationAvailable());

    22   var asmjsCode = "function f() { 'use asm';";

    23   for (var i = 0; i < 5000; i++)

    24     asmjsCode += "function g" + i + "() { return " + i + "}";

    25   asmjsCode += "return g42 }";

    26   ok(asmjsCode.length > 100000, "code is long enough to definitely hit the cache");

    28   var workerCode = asmjsCode;

    29   workerCode += "if (f()() !== 42) postMessage('fail'); else postMessage('ok');";

    30   workerCode = 'var code = "' + workerCode + '"; eval(code); eval(code)';

    31   var workerBlob = new Blob([workerCode], {type:"application/javascript"});

    33   var mainCode = asmjsCode;

    34   mainCode += "ok(jsFuns.isAsmJSModuleLoadedFromCache(f), 'f is a cache hit')\n";

    35   mainCode += "var g42 = f();\n";

    36   mainCode += "ok(jsFuns.isAsmJSFunction(g42), 'g42 is an asm.js function');\n";

    37   mainCode += "ok(g42() === 42, 'g42 returns the correct result');\n";

    38   mainCode += "SimpleTest.finish();\n";

    39   var mainBlob = new Blob([mainCode], {type:"application/javascript"});

    41   var w = new Worker(URL.createObjectURL(workerBlob));

    43   var received = 0;

    44   w.onmessage = function(e) {

    45       switch (received) {

    46         case 0:

    47           ok(e.data === "ok", "Received first message");

    48           received = 1;

    49           break;

    50         case 1:

    51           ok(e.data === "ok", "Received second message");

    52           received = 2;

    54           var script = document.createElement('script');

    55           script.src = URL.createObjectURL(mainBlob);

    56           document.body.appendChild(script);

    57           break;

    58         default:

    59           throw "Huh?";

    60       }

    61   }

    63   SimpleTest.waitForExplicitFinish();

    64   </script>

    66 </body>

    67 </html>

The Tor Browser / file revision