michael@0: function f1() { "use asm"; function g() {} return g }
michael@0: if (this.jsFuns) {
michael@0:     ok(jsFuns.isAsmJSModule(f1), "f1 is an asm.js module");
michael@0:     ok(jsFuns.isAsmJSFunction(f1()), "f1.g is an asm.js function");
michael@0: }
michael@0: 
michael@0: function f2(stdlib, foreign, buffer) {
michael@0:     "use asm";
michael@0:     var i32 = new stdlib.Int32Array(buffer);
michael@0:     function main(n) {
michael@0:         n = n|0;
michael@0:         var i = 0, sum = 0;
michael@0:         for (; (i|0) < (n|0); i=(i+1)|0)
michael@0:             sum = (sum + (i32[(i<<2)>>2]|0))|0;
michael@0:         return sum|0;
michael@0:     }
michael@0:     return main;
michael@0: }
michael@0: if (this.jsFuns)
michael@0:     ok(jsFuns.isAsmJSModule(f2), "f2 is an asm.js module");
michael@0: var i32 = new Int32Array(1024);
michael@0: for (var i = 0; i < i32.length; i++)
michael@0:     i32[i] = i;
michael@0: var f2Main = f2(this, null, i32.buffer);
michael@0: if (this.jsFuns)
michael@0:     ok(jsFuns.isAsmJSFunction(f2Main), "f2.main is an asm.js function");
michael@0: if (f2Main(4) !== 6)
michael@0:     throw "f2Main(4)";
michael@0: if (f2Main(100) !== 4950)
michael@0:     throw "f2.main(100)";
michael@0: var sum = (((i32.length - 1) * i32.length) / 2);
michael@0: if (f2Main(i32.length) !== sum)
michael@0:     throw "f2.main(" + i32.length + ")";
michael@0: if (f2Main(i32.length + 100) !== sum)
michael@0:     throw "f2.main(" + i32.length + ")";
michael@0: 
michael@0: function f3(stdlib, foreign, buffer) {
michael@0:     "use asm";
michael@0:     var done = foreign.done;
michael@0:     var i32 = new stdlib.Int32Array(buffer);
michael@0:     function main() {
michael@0:         var i = 0, sum = 0;
michael@0:         while (1) {
michael@0:             for (i = 0; (i|0) < 1000; i=(i+1)|0)
michael@0:                 sum = (sum + i)|0;
michael@0:             if (done(sum|0)|0)
michael@0:                 break;
michael@0:         }
michael@0:         return sum|0;
michael@0:     }
michael@0:     return main;
michael@0: }
michael@0: var begin;
michael@0: var lastSum;
michael@0: function done(sum) {
michael@0:     if (sum !== ((lastSum + 499500)|0))
michael@0:         throw "bad sum: " + sum + ", " + lastSum + ", " + ((lastSum + 499500)|0);
michael@0:     lastSum = sum;
michael@0:     return (Date.now() - begin) > 3000;
michael@0: }
michael@0: var f3Main = f3(this, {done:done}, i32.buffer);
michael@0: if (this.jsFuns)
michael@0:     ok(jsFuns.isAsmJSFunction(f3Main), "f3.main is an asm.js function");
michael@0: 
michael@0: begin = Date.now();
michael@0: lastSum = 0;
michael@0: if (f3Main() !== lastSum)
michael@0:     throw "f3.main()";
michael@0: 
michael@0: if (!this.jsFuns)
michael@0:     postMessage("ok");