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