The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/services/sync/tests/unit/test_utils_deepEquals.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,44 @@
     1.4 +_("Make sure Utils.deepEquals correctly finds items that are deeply equal");
     1.5 +Cu.import("resource://services-sync/util.js");
     1.6 +
     1.7 +function run_test() {
     1.8 +  let data = '[NaN, undefined, null, true, false, Infinity, 0, 1, "a", "b", {a: 1}, {a: "a"}, [{a: 1}], [{a: true}], {a: 1, b: 2}, [1, 2], [1, 2, 3]]';
     1.9 +  _("Generating two copies of data:", data);
    1.10 +  let d1 = eval(data);
    1.11 +  let d2 = eval(data);
    1.12 +
    1.13 +  d1.forEach(function(a) {
    1.14 +    _("Testing", a, typeof a, JSON.stringify([a]));
    1.15 +    let numMatch = 0;
    1.16 +
    1.17 +    d2.forEach(function(b) {
    1.18 +      if (Utils.deepEquals(a, b)) {
    1.19 +        numMatch++;
    1.20 +        _("Found a match", b, typeof b, JSON.stringify([b]));
    1.21 +      }
    1.22 +    });
    1.23 +
    1.24 +    let expect = 1;
    1.25 +    if (isNaN(a) && typeof a == "number") {
    1.26 +      expect = 0;
    1.27 +      _("Checking NaN should result in no matches");
    1.28 +    }
    1.29 +
    1.30 +    _("Making sure we found the correct # match:", expect);
    1.31 +    _("Actual matches:", numMatch);
    1.32 +    do_check_eq(numMatch, expect);
    1.33 +  });
    1.34 +
    1.35 +  _("Make sure adding undefined properties doesn't affect equalness");
    1.36 +  let a = {};
    1.37 +  let b = { a: undefined };
    1.38 +  do_check_true(Utils.deepEquals(a, b));
    1.39 +  a.b = 5;
    1.40 +  do_check_false(Utils.deepEquals(a, b));
    1.41 +  b.b = 5;
    1.42 +  do_check_true(Utils.deepEquals(a, b));
    1.43 +  a.c = undefined;
    1.44 +  do_check_true(Utils.deepEquals(a, b));
    1.45 +  b.d = undefined;
    1.46 +  do_check_true(Utils.deepEquals(a, b));
    1.47 +}