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Add support for cloning symbol properties to _.clone and _.cloneDeep.

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This commit is contained in:
John-David Dalton
2015-12-24 13:35:15 -06:00
parent 2df689524e
commit a58cd65db8
2 changed files with 60 additions and 49 deletions
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43
test/test.js
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@@ -2220,7 +2220,6 @@
'sets': set,
'strings': 'a',
'string objects': Object('a'),
'symbols': symbol,
'undefined values': undefined
};
@@ -2313,14 +2312,12 @@
QUnit.test('`_.' + methodName + '` should clone ' + key, function(assert) {
assert.expect(2);
var useUnstable = /^(?:maps|sets|symbols)$/.test(key),
isEqual = useUnstable ? _.isEqual : lodashStable.isEqual,
isObject = useUnstable ? _.isObject : lodashStable.isObject,
var isEqual = (key == 'maps' || key == 'sets') ? _.isEqual : lodashStable.isEqual,
actual = func(object);
assert.ok(isEqual(actual, object));
if (isObject(object)) {
if (lodashStable.isObject(object)) {
assert.notStrictEqual(actual, object);
} else {
assert.strictEqual(actual, object);
@@ -2364,10 +2361,12 @@
assert.strictEqual(actual.lastIndex, 3);
});
QUnit.test('`_.' + methodName + '` should clone symbol objects', function(assert) {
assert.expect(3);
QUnit.test('`_.' + methodName + '` should clone symbols', function(assert) {
assert.expect(4);
if (Symbol) {
assert.strictEqual(func(symbol), symbol);
var object = Object(symbol),
actual = func(object);
@@ -2376,7 +2375,7 @@
assert.notStrictEqual(actual, object);
}
else {
skipTest(assert, 3);
skipTest(assert, 4);
}
});
@@ -7640,6 +7639,9 @@
QUnit.module('lodash.isEqual');
(function() {
var symbol1 = Symbol ? Symbol('a') : true,
symbol2 = Symbol ? Symbol('b') : false;
QUnit.test('should compare primitives', function(assert) {
assert.expect(1);
@@ -7650,6 +7652,7 @@
['a', 'a', true], ['a', Object('a'), true], [Object('a'), Object('a'), true], ['a', 'b', false], ['a', ['a'], false],
[true, true, true], [true, Object(true), true], [Object(true), Object(true), true], [true, 1, false], [true, 'a', false],
[false, false, true], [false, Object(false), true], [Object(false), Object(false), true], [false, 0, false], [false, '', false],
[symbol1, symbol1, true], [symbol1, Object(symbol1), true], [Object(symbol1), Object(symbol1), true], [symbol1, symbol2, false],
[null, null, true], [null, undefined, false], [null, {}, false], [null, '', false],
[undefined, undefined, true], [undefined, null, false], [undefined, '', false]
];
@@ -8154,30 +8157,6 @@
}
});
QUnit.test('should compare symbols', function(assert) {
assert.expect(4);
if (Symbol) {
var symbol1 = Symbol('a'),
symbol2 = Symbol('b');
assert.strictEqual(_.isEqual(symbol1, symbol2), false);
symbol2 = Symbol('a');
assert.strictEqual(_.isEqual(symbol1, symbol2), true);
symbol1 = Symbol();
symbol2 = Symbol('');
assert.strictEqual(_.isEqual(symbol1, symbol2), true);
symbol1 = Symbol(null);
assert.strictEqual(_.isEqual(symbol1, symbol2), false);
}
else {
skipTest(assert, 4);
}
});
QUnit.test('should compare typed arrays', function(assert) {
assert.expect(1);