Additional tests
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@ -4,3 +4,14 @@ const {createEventHub} = require('./_30s.js');
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test('createEventHub is a Function', () => {
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expect(createEventHub).toBeInstanceOf(Function);
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});
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test('createEventHub returns an object', () => {
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let hub = createEventHub();
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expect(typeof hub).toBe('object');
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expect(typeof hub.hub).toBe('object');
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expect(hub.emit).toBeInstanceOf(Function);
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expect(hub.on).toBeInstanceOf(Function);
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expect(hub.off).toBeInstanceOf(Function);
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expect(hub.emit()).toBe(undefined);
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expect(hub.on()).toBe(undefined);
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expect(hub.off()).toBe(undefined);
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});
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