dom/asmjscache/test/test_workers.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=941830
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=941830">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());
michael@0 21
michael@0 22 var asmjsCode = "function f() { 'use asm';";
michael@0 23 for (var i = 0; i < 5000; i++)
michael@0 24 asmjsCode += "function g" + i + "() { return " + i + "}";
michael@0 25 asmjsCode += "return g42 }";
michael@0 26 ok(asmjsCode.length > 100000, "code is long enough to definitely hit the cache");
michael@0 27
michael@0 28 var workerCode = asmjsCode;
michael@0 29 workerCode += "if (f()() !== 42) postMessage('fail'); else postMessage('ok');";
michael@0 30 workerCode = 'var code = "' + workerCode + '"; eval(code); eval(code)';
michael@0 31 var workerBlob = new Blob([workerCode], {type:"application/javascript"});
michael@0 32
michael@0 33 var mainCode = asmjsCode;
michael@0 34 mainCode += "ok(jsFuns.isAsmJSModuleLoadedFromCache(f), 'f is a cache hit')\n";
michael@0 35 mainCode += "var g42 = f();\n";
michael@0 36 mainCode += "ok(jsFuns.isAsmJSFunction(g42), 'g42 is an asm.js function');\n";
michael@0 37 mainCode += "ok(g42() === 42, 'g42 returns the correct result');\n";
michael@0 38 mainCode += "SimpleTest.finish();\n";
michael@0 39 var mainBlob = new Blob([mainCode], {type:"application/javascript"});
michael@0 40
michael@0 41 var w = new Worker(URL.createObjectURL(workerBlob));
michael@0 42
michael@0 43 var received = 0;
michael@0 44 w.onmessage = function(e) {
michael@0 45 switch (received) {
michael@0 46 case 0:
michael@0 47 ok(e.data === "ok", "Received first message");
michael@0 48 received = 1;
michael@0 49 break;
michael@0 50 case 1:
michael@0 51 ok(e.data === "ok", "Received second message");
michael@0 52 received = 2;
michael@0 53
michael@0 54 var script = document.createElement('script');
michael@0 55 script.src = URL.createObjectURL(mainBlob);
michael@0 56 document.body.appendChild(script);
michael@0 57 break;
michael@0 58 default:
michael@0 59 throw "Huh?";
michael@0 60 }
michael@0 61 }
michael@0 62
michael@0 63 SimpleTest.waitForExplicitFinish();
michael@0 64 </script>
michael@0 65
michael@0 66 </body>
michael@0 67 </html>

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