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fix(Angular): Infinite $digest Loop occur when using deep $watch on an o... #8715

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fix(Angular): Infinite $digest Loop occur when using deep $watch on an o... #8715

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3 changes: 2 additions & 1 deletion src/Angular.js
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Original file line number Diff line number Diff line change
Expand Up @@ -895,7 +895,8 @@ function equals(o1, o2) {
return true;
}
} else if (isDate(o1)) {
return isDate(o2) && o1.getTime() == o2.getTime();
if (!isDate(o2)) return false;
return (isNaN(o1.getTime()) && isNaN(o2.getTime())) || (o1.getTime() === o2.getTime());
} else if (isRegExp(o1) && isRegExp(o2)) {
return o1.toString() == o2.toString();
} else {
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5 changes: 5 additions & 0 deletions test/AngularSpec.js
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Expand Up @@ -362,6 +362,11 @@ describe('angular', function() {
expect(equals(new Date(0), new Date(1))).toBe(false);
expect(equals(new Date(0), 0)).toBe(false);
expect(equals(0, new Date(0))).toBe(false);

expect(equals(new Date(undefined), new Date(undefined))).toBe(true);
expect(equals(new Date(undefined), new Date(0))).toBe(false);
expect(equals(new Date(undefined), new Date(null))).toBe(false);
expect(equals(new Date(undefined), new Date('wrong'))).toBe(true);
});

it('should correctly test for keys that are present on Object.prototype', function() {
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