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_.isEqual: Ensure commutative equality for dates and RegExps.

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Kit Goncharov
2011-07-13 14:24:28 -06:00
parent 365eea6aa7
commit a12d0035cb
2 changed files with 20 additions and 11 deletions
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4
test/objects.js
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@@ -79,9 +79,13 @@ $(document).ready(function() {
ok(NaN != NaN, 'NaN is not equal to NaN (native equality)');
ok(NaN !== NaN, 'NaN is not equal to NaN (native identity)');
ok(_.isEqual(NaN, NaN), 'NaN is equal to NaN');
ok(!_.isEqual(5, NaN), '`5` is not equal to `NaN`');
ok(!_.isEqual(false, NaN), '`false` is not equal to `NaN`');
ok(_.isEqual(new Date(100), new Date(100)), 'identical dates are equal');
ok(_.isEqual((/hello/ig), (/hello/ig)), 'identical regexes are equal');
ok(!_.isEqual({source: '(?:)', global: true, multiline: true, ignoreCase: true}, /(?:)/gim), 'RegExp-like objects and RegExps are not equal');
ok(!_.isEqual(null, [1]), 'a falsy is never equal to a truthy');
ok(!_.isEqual(undefined, null), '`undefined` is not equal to `null`');
ok(_.isEqual({isEqual: function () { return true; }}, {}), 'first object implements `isEqual`');
ok(_.isEqual({}, {isEqual: function () { return true; }}), 'second object implements `isEqual`');
ok(!_.isEqual({x: 1, y: undefined}, {x: 1, z: 2}), 'objects with the same number of undefined keys are not equal');