зеркало из https://github.com/mozilla/gecko-dev.git
86 строки
2.4 KiB
HTML
86 строки
2.4 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=944821
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-->
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<head>
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<meta charset="utf-8">
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<title>asm.js browser tests</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=944821">asm.js browser tests</a>
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<p id="display"></p>
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<div id="content" style="display: none"></div>
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<pre id="test"></pre>
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<script>
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var jsFuns = SpecialPowers.Cu.getJSTestingFunctions();
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var assertCacheHit = false;
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// generate four slightly different big asm.js modules and compile them async
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// so that we can hit the asm.js cache.
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var code = "function f() { 'use asm';\n";
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for (var i = 0; i < 5000; i++)
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code += "function g" + i + "() { return " + i + "}\n";
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ok(code.length > 100000, "code is long enough to definitely hit the cache");
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const N = 4;
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var codes = [];
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for (var i = 0; i < N; i++) {
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var code2 = code;
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code2 += "return g" + i + ";\n";
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code2 += "}\n";
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code2 += "ok(jsFuns.isAsmJSModule(f), 'f is an asm.js module')\n";
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code2 += "if (assertCacheHit) ok(jsFuns.isAsmJSModuleLoadedFromCache(f), 'cache hit');\n";
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code2 += "var gX = f();\n";
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code2 += "ok(jsFuns.isAsmJSFunction(gX), 'gX is an asm.js function')\n";
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code2 += "ok(gX() === " + i + ", 'gX returns the correct result')\n";
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code2 += "finishedEvalAsync();\n";
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codes.push(code2);
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}
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function evalAsync(code) {
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var blob = new Blob([code], {type:"application/javascript"});
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var script = document.createElement('script');
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script.src = URL.createObjectURL(blob);
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document.body.appendChild(script);
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}
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var finishedCount = 0;
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function finishedEvalAsync() {
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finishedCount++;
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if (finishedCount < 1 || finishedCount > 2*N) {
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throw "Huh?!";
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} else if (finishedCount == N) {
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assertCacheHit = true;
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for (var i = 0; i < N; i++)
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evalAsync(codes[i]);
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} else if (finishedCount == 2*N) {
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SimpleTest.finish();
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}
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}
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function runTest() {
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for (var i = 0; i < N; i++)
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evalAsync(codes[i]);
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SimpleTest.waitForExplicitFinish();
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}
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if (!jsFuns.isAsmJSCompilationAvailable()) {
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ok(true, "isAsmJSCompilationAvailable is false, skipping this test!");
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} else {
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runTest();
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}
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</script>
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</body>
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</html>
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