The Tor Browser: dom/asmjscache/test/test_cachingBasic.html@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 <!DOCTYPE HTML>

     2 <html>

     3 <!--

     4 https://bugzilla.mozilla.org/show_bug.cgi?id=929236

     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=929236">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(), "asm.js compilation is available");

    22   // generate a big ol asm.js module and compile it async so that we can hit

    23   // the asm.js cache.

    25   var code = "function f() { 'use asm';\n";

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

    27     code += "function g" + i + "() { return " + i + "}\n";

    28   code += "return g42 }\n";

    29   code += "ok(jsFuns.isAsmJSModule(f), 'f is an asm.js module')\n";

    30   code += "var g42 = f();\n";

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

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

    33   code += "finishedEvalAsync(f);";

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

    36   function evalAsync(code) {

    37     var blob = new Blob([code], {type:"application/javascript"});

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

    39     script.src = URL.createObjectURL(blob);

    40     document.body.appendChild(script);

    41   }

    43   var state = 0;

    44   function finishedEvalAsync(module) {

    45     switch (state) {

    46       case 0:

    47         state++;

    48         evalAsync(code);

    49         break;

    50       case 1:

    51         ok(jsFuns.isAsmJSModuleLoadedFromCache(module), 'module loaded from cache');

    52         SimpleTest.finish();

    53         break;

    54       default:

    55         throw "huh?";

    56     }

    57   }

    59   SimpleTest.waitForExplicitFinish();

    60   evalAsync(code);

    61   </script>

    63 </body>

    64 </html>

The Tor Browser / file revision