The Tor Browser: js/src/jit-test/tests/baseline/funcall-array.js@129ffea94266 (annotated)

js/src/jit-test/tests/baseline/funcall-array.js@129ffea94266 (annotated)

js/src/jit-test/tests/baseline/funcall-array.js

Sat, 03 Jan 2015 20:18:00 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Sat, 03 Jan 2015 20:18:00 +0100
branch: TOR_BUG_3246
changeset 7: 129ffea94266
permissions: -rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

 var emptyArray = [];
 var denseArray = [1, 2, 3, 4];
 var sparseArray = [1,,2,,3,,4];
 var bigArray = new Array();
 for (var i = 0; i < 128; i++) {
     bigArray.push(i);
 }
 var nonArray = {0:1, 1:2, 2:3, 3:4, length:2};
 var indexedGetterArray = new Array();
 Object.defineProperty(indexedGetterArray, '2', {get:function () { return 51; }});
 var ARRAYS = [emptyArray, denseArray, sparseArray, bigArray, nonArray, indexedGetterArray];
 var targetFun = function (a, b, c, d) {
     if (a === undefined)
         a = 0;
     if (b === undefined)
         b = 0;
     if (c === undefined)
         c = 0;
     if (d === undefined)
         d = 0;
     this.count += arguments.length + a + b + c + d;
 }
 var PERMUTATIONS = ARRAYS.length * ARRAYS.length;
 function arrayPermutation(num) {
     var idx1 = num % ARRAYS.length;
     var idx2 = ((num / ARRAYS.length)|0) % ARRAYS.length;
     var resultArray = [];
     resultArray.push(ARRAYS[idx1]);
     resultArray.push(ARRAYS[idx2]);
     return resultArray;
 }
 var EXPECTED_RESULTS = {
 :0, 1:280, 2:200, 3:2680, 4:100, 5:1080, 6:280, 7:560, 8:480, 9:2960,
 :380, 11:1360, 12:200, 13:480, 14:400, 15:2880, 16:300, 17:1280, 18:2680,
 :2960, 20:2880, 21:5360, 22:2780, 23:3760, 24:100, 25:380, 26:300, 27:2780,
 :200, 29:1180, 30:1080, 31:1360, 32:1280, 33:3760, 34:1180, 35:2160
 };
 var callerNo = 0;
 function generateCaller() {
     var fn;
     // Salt eval-string with callerNo to make sure eval caching doesn't take effect.
     var s = "function caller" + callerNo + "(fn, thisObj, arrays) {" +
             "  for (var i = 0; i < arrays.length; i++) {" +
             "    fn.apply(thisObj, arrays[i]);" +
             "  }" +
             "}" +
             "fn = caller" + callerNo + ";";
     eval(s);
     return fn;
 };
 function main() {
     for (var i = 0; i < PERMUTATIONS; i++) {
         var obj = {count:0};
         var arrs = arrayPermutation(i);
         var fn = generateCaller(arrs.length);
         // Loop 20 times so baseline compiler has chance to kick in and compile the scripts.
         for (var j = 0; j < 20; j++)
             fn(targetFun, obj, arrs);
         assertEq(obj.count, EXPECTED_RESULTS[i]);
     }
 }
 main();