dom/asmjscache/test/test_cachingBasic.html

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

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

michael@0 1 <!DOCTYPE HTML>
michael@0 2 <html>
michael@0 3 <!--
michael@0 4 https://bugzilla.mozilla.org/show_bug.cgi?id=929236
michael@0 5 -->
michael@0 6 <head>
michael@0 7 <meta charset="utf-8">
michael@0 8 <title>asm.js browser tests</title>
michael@0 9 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
michael@0 10 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
michael@0 11 </head>
michael@0 12 <body>
michael@0 13 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=929236">asm.js browser tests</a>
michael@0 14 <p id="display"></p>
michael@0 15 <div id="content" style="display: none"></div>
michael@0 16 <pre id="test"></pre>
michael@0 17
michael@0 18 <script>
michael@0 19 var jsFuns = SpecialPowers.Cu.getJSTestingFunctions();
michael@0 20 ok(jsFuns.isAsmJSCompilationAvailable(), "asm.js compilation is available");
michael@0 21
michael@0 22 // generate a big ol asm.js module and compile it async so that we can hit
michael@0 23 // the asm.js cache.
michael@0 24
michael@0 25 var code = "function f() { 'use asm';\n";
michael@0 26 for (var i = 0; i < 5000; i++)
michael@0 27 code += "function g" + i + "() { return " + i + "}\n";
michael@0 28 code += "return g42 }\n";
michael@0 29 code += "ok(jsFuns.isAsmJSModule(f), 'f is an asm.js module')\n";
michael@0 30 code += "var g42 = f();\n";
michael@0 31 code += "ok(jsFuns.isAsmJSFunction(g42), 'g42 is an asm.js function')\n";
michael@0 32 code += "ok(g42() === 42, 'g42 returns the correct result')\n";
michael@0 33 code += "finishedEvalAsync(f);";
michael@0 34 ok(code.length > 100000, "code is long enough to definitely hit the cache");
michael@0 35
michael@0 36 function evalAsync(code) {
michael@0 37 var blob = new Blob([code], {type:"application/javascript"});
michael@0 38 var script = document.createElement('script');
michael@0 39 script.src = URL.createObjectURL(blob);
michael@0 40 document.body.appendChild(script);
michael@0 41 }
michael@0 42
michael@0 43 var state = 0;
michael@0 44 function finishedEvalAsync(module) {
michael@0 45 switch (state) {
michael@0 46 case 0:
michael@0 47 state++;
michael@0 48 evalAsync(code);
michael@0 49 break;
michael@0 50 case 1:
michael@0 51 ok(jsFuns.isAsmJSModuleLoadedFromCache(module), 'module loaded from cache');
michael@0 52 SimpleTest.finish();
michael@0 53 break;
michael@0 54 default:
michael@0 55 throw "huh?";
michael@0 56 }
michael@0 57 }
michael@0 58
michael@0 59 SimpleTest.waitForExplicitFinish();
michael@0 60 evalAsync(code);
michael@0 61 </script>
michael@0 62
michael@0 63 </body>
michael@0 64 </html>

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