michael@0: _("Make sure Utils.deepEquals correctly finds items that are deeply equal");
michael@0: Cu.import("resource://services-sync/util.js");
michael@0: 
michael@0: function run_test() {
michael@0:   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]]';
michael@0:   _("Generating two copies of data:", data);
michael@0:   let d1 = eval(data);
michael@0:   let d2 = eval(data);
michael@0: 
michael@0:   d1.forEach(function(a) {
michael@0:     _("Testing", a, typeof a, JSON.stringify([a]));
michael@0:     let numMatch = 0;
michael@0: 
michael@0:     d2.forEach(function(b) {
michael@0:       if (Utils.deepEquals(a, b)) {
michael@0:         numMatch++;
michael@0:         _("Found a match", b, typeof b, JSON.stringify([b]));
michael@0:       }
michael@0:     });
michael@0: 
michael@0:     let expect = 1;
michael@0:     if (isNaN(a) && typeof a == "number") {
michael@0:       expect = 0;
michael@0:       _("Checking NaN should result in no matches");
michael@0:     }
michael@0: 
michael@0:     _("Making sure we found the correct # match:", expect);
michael@0:     _("Actual matches:", numMatch);
michael@0:     do_check_eq(numMatch, expect);
michael@0:   });
michael@0: 
michael@0:   _("Make sure adding undefined properties doesn't affect equalness");
michael@0:   let a = {};
michael@0:   let b = { a: undefined };
michael@0:   do_check_true(Utils.deepEquals(a, b));
michael@0:   a.b = 5;
michael@0:   do_check_false(Utils.deepEquals(a, b));
michael@0:   b.b = 5;
michael@0:   do_check_true(Utils.deepEquals(a, b));
michael@0:   a.c = undefined;
michael@0:   do_check_true(Utils.deepEquals(a, b));
michael@0:   b.d = undefined;
michael@0:   do_check_true(Utils.deepEquals(a, b));
michael@0: }