The Tor Browser: dom/asmjscache/test/file

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

     1 function f1() { "use asm"; function g() {} return g }

     2 if (this.jsFuns) {

     3     ok(jsFuns.isAsmJSModule(f1), "f1 is an asm.js module");

     4     ok(jsFuns.isAsmJSFunction(f1()), "f1.g is an asm.js function");

5 }

     7 function f2(stdlib, foreign, buffer) {

     8     "use asm";

     9     var i32 = new stdlib.Int32Array(buffer);

    10     function main(n) {

    11         n = n|0;

    12         var i = 0, sum = 0;

    13         for (; (i|0) < (n|0); i=(i+1)|0)

    14             sum = (sum + (i32[(i<<2)>>2]|0))|0;

    15         return sum|0;

    16     }

    17     return main;

    18 }

    19 if (this.jsFuns)

    20     ok(jsFuns.isAsmJSModule(f2), "f2 is an asm.js module");

    21 var i32 = new Int32Array(1024);

    22 for (var i = 0; i < i32.length; i++)

    23     i32[i] = i;

    24 var f2Main = f2(this, null, i32.buffer);

    25 if (this.jsFuns)

    26     ok(jsFuns.isAsmJSFunction(f2Main), "f2.main is an asm.js function");

    27 if (f2Main(4) !== 6)

    28     throw "f2Main(4)";

    29 if (f2Main(100) !== 4950)

    30     throw "f2.main(100)";

    31 var sum = (((i32.length - 1) * i32.length) / 2);

    32 if (f2Main(i32.length) !== sum)

    33     throw "f2.main(" + i32.length + ")";

    34 if (f2Main(i32.length + 100) !== sum)

    35     throw "f2.main(" + i32.length + ")";

    37 function f3(stdlib, foreign, buffer) {

    38     "use asm";

    39     var done = foreign.done;

    40     var i32 = new stdlib.Int32Array(buffer);

    41     function main() {

    42         var i = 0, sum = 0;

    43         while (1) {

    44             for (i = 0; (i|0) < 1000; i=(i+1)|0)

    45                 sum = (sum + i)|0;

    46             if (done(sum|0)|0)

    47                 break;

    48         }

    49         return sum|0;

    50     }

    51     return main;

    52 }

    53 var begin;

    54 var lastSum;

    55 function done(sum) {

    56     if (sum !== ((lastSum + 499500)|0))

    57         throw "bad sum: " + sum + ", " + lastSum + ", " + ((lastSum + 499500)|0);

    58     lastSum = sum;

    59     return (Date.now() - begin) > 3000;

    60 }

    61 var f3Main = f3(this, {done:done}, i32.buffer);

    62 if (this.jsFuns)

    63     ok(jsFuns.isAsmJSFunction(f3Main), "f3.main is an asm.js function");

    65 begin = Date.now();

    66 lastSum = 0;

    67 if (f3Main() !== lastSum)

    68     throw "f3.main()";

    70 if (!this.jsFuns)

    71     postMessage("ok");

The Tor Browser / file revision