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Add _.cloneDeep test for objects with lots of circular references.

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This commit is contained in:
John-David Dalton
2015-10-06 08:16:22 -07:00
parent 7b61569d32
commit bf1bcaf394
1 changed files with 15 additions and 0 deletions
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15
test/test.js
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@@ -2088,6 +2088,21 @@
assert.ok(actual.bar.b === actual.foo.b && actual === actual.foo.b.c.d && actual !== object);
});
QUnit.test('`_.cloneDeep` should deep clone objects with lots of circular references', function(assert) {
assert.expect(2);
var cyclical = {};
_.times(LARGE_ARRAY_SIZE + 1, function(index) {
cyclical['v' + index] = [index ? cyclical['v' + (index - 1)] : cyclical];
});
var clone = _.cloneDeep(cyclical),
actual = clone['v' + LARGE_ARRAY_SIZE][0];
assert.strictEqual(actual, clone['v' + (LARGE_ARRAY_SIZE - 1)]);
assert.notStrictEqual(actual, cyclical['v' + (LARGE_ARRAY_SIZE - 1)]);
});
_.each(['clone', 'cloneDeep'], function(methodName) {
var func = _[methodName],
isDeep = methodName == 'cloneDeep';