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fix(angular.copy): throw Error if source and destination are identical

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Closes #693
This commit is contained in:
Dhruv Manek
2011-12-18 18:33:25 -08:00
committed by Igor Minar
parent 0bf611087b
commit 08029c7b72
2 changed files with 9 additions and 0 deletions
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8
test/AngularSpec.js
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@@ -65,6 +65,14 @@ describe('angular', function() {
it('should throw an exception if a Window is being copied', function() {
expect(function() { copy(window); }).toThrow("Can't copy Window or Scope");
});
it('should throw an exception when source and destination are equivalent', function() {
var src, dst;
src = dst = {key: 'value'};
expect(function() { copy(src, dst); }).toThrow("Can't copy equivalent objects or arrays");
src = dst = [2, 4];
expect(function() { copy(src, dst); }).toThrow("Can't copy equivalent objects or arrays");
});
});
describe('equals', function() {