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Add tests for cloning properties that shadow those on Object.prototype.

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John-David Dalton
2015-12-26 12:26:49 -06:00
parent 64fe626fa6
commit a811476c1b
1 changed files with 39 additions and 5 deletions
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44
test/test.js
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@@ -2362,6 +2362,25 @@
assert.strictEqual(actual.lastIndex, 3);
});
QUnit.test('`_.' + methodName + '` should clone properties that shadow those on `Object.prototype`', function(assert) {
assert.expect(2);
var object = {
'constructor': objectProto.constructor,
'hasOwnProperty': objectProto.hasOwnProperty,
'isPrototypeOf': objectProto.isPrototypeOf,
'propertyIsEnumerable': objectProto.propertyIsEnumerable,
'toLocaleString': objectProto.toLocaleString,
'toString': objectProto.toString,
'valueOf': objectProto.valueOf
};
var actual = func(object);
assert.deepEqual(actual, object);
assert.notStrictEqual(actual, object);
});
QUnit.test('`_.' + methodName + '` should clone symbol properties', function(assert) {
assert.expect(1);
@@ -3657,13 +3676,28 @@
QUnit.test('should assign properties that shadow those on `Object.prototype`', function(assert) {
assert.expect(2);
var ctor = objectProto.constructor,
actual = _.defaults({}, { 'constructor': 1 });
var object = {
'constructor': objectProto.constructor,
'hasOwnProperty': objectProto.hasOwnProperty,
'isPrototypeOf': objectProto.isPrototypeOf,
'propertyIsEnumerable': objectProto.propertyIsEnumerable,
'toLocaleString': objectProto.toLocaleString,
'toString': objectProto.toString,
'valueOf': objectProto.valueOf
};
assert.strictEqual(actual.constructor, 1);
var source = {
'constructor': 1,
'hasOwnProperty': 2,
'isPrototypeOf': 3,
'propertyIsEnumerable': 4,
'toLocaleString': 5,
'toString': 6,
'valueOf': 7
};
actual = _.defaults({ 'constructor': ctor }, { 'constructor': 1 });
assert.strictEqual(actual.constructor, ctor);
assert.deepEqual(_.defaults({}, source), source);
assert.deepEqual(_.defaults({}, object, source), object);
});
}());