gecko/services/sync/tests/unit/test_utils_deepEquals.js
2009-08-19 18:01:06 -07:00

45 lines
1.3 KiB
JavaScript

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