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test(Subscriber): add test for no error propagation #1181

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test(Subscriber): add test for no error propagation #1181

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27 changes: 26 additions & 1 deletion spec/Subscriber-spec.js
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Original file line number Diff line number Diff line change
Expand Up @@ -7,4 +7,29 @@ describe('Subscriber', function () {
var sub = new Subscriber();
expect(sub[Rx.Symbol.rxSubscriber]()).toBe(sub);
});
});

describe('when created through create()', function () {
it('should not call error() if next() handler throws an error', function () {
var errorSpy = jasmine.createSpy('error');
var completeSpy = jasmine.createSpy('complete');

var subscriber = Subscriber.create(
function next(value) {
if (value === 2) {
throw 'error!';
}
},
errorSpy,
completeSpy
);

subscriber.next(1);
expect(function () {
subscriber.next(2);
}).toThrow('error!');

expect(errorSpy).not.toHaveBeenCalled();
expect(completeSpy).not.toHaveBeenCalled();
});
});
});