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Diffstat (limited to 'js/tests/unit')
| -rw-r--r-- | js/tests/unit/dom/event-handler.spec.js | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/js/tests/unit/dom/event-handler.spec.js b/js/tests/unit/dom/event-handler.spec.js index 14037929b..19d0235e6 100644 --- a/js/tests/unit/dom/event-handler.spec.js +++ b/js/tests/unit/dom/event-handler.spec.js @@ -441,4 +441,41 @@ describe('EventHandler', () => { expect(i).toEqual(5) }) }) + + describe('general functionality', () => { + it('should hydrate properties, and make them configurable', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = [ + '<div id="div1">', + ' <div id="div2"></div>', + ' <div id="div3"></div>', + '</div>' + ].join('') + + const div1 = fixtureEl.querySelector('#div1') + const div2 = fixtureEl.querySelector('#div2') + const div3 = fixtureEl.querySelector('#div3') + + EventHandler.on(div1, 'click', event => { + event.originalTarget = div3 + + expect(event.currentTarget).toBe(div2) + + Object.defineProperty(event, 'currentTarget', { + configurable: true, + get() { + return div1 + } + }) + + expect(event.currentTarget).toBe(div1) + resolve() + }) + + expect(() => { + EventHandler.trigger(div1, 'click', { delegateTarget: div2, originalTarget: null, currentTarget: div2 }) + }).not.toThrowError(TypeError) + }) + }) + }) }) |
