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Ensure _.defaultsDeep doesn't modify sources.

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This commit is contained in:
John-David Dalton
2015-10-11 01:39:30 -07:00
parent 414ad602f2
commit a08d52eb48
2 changed files with 16 additions and 3 deletions
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15
test/test.js
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@@ -3562,7 +3562,20 @@
source.bar.b = source.foo.b;
var actual = _.defaultsDeep(object, source);
assert.ok(actual.bar.b === source.foo.b && actual.foo.b.c.d === actual.foo.b.c.d.foo.b.c.d);
assert.ok(actual.bar.b === actual.foo.b && actual.foo.b.c.d === actual.foo.b.c.d.foo.b.c.d);
});
QUnit.test('should not modify sources', function(assert) {
assert.expect(3);
var object = {},
source1 = { 'a': 1, 'b': { 'c': 2 } },
source2 = { 'b': { 'c': 3, 'd': 3 } },
actual = _.defaultsDeep(object, source1, source2);
assert.deepEqual(actual, { 'a': 1, 'b': { 'c': 2, 'd': 3 } });
assert.deepEqual(source1, { 'a': 1, 'b': { 'c': 2 } });
assert.deepEqual(source2, { 'b': { 'c': 3, 'd': 3 } });
});
}());