110571 2013-02-22 01:32:18 -0800 [Progress Events] getOwnPropertyDescriptor() on ProgressEvent.prototype returns undefined. 2013-04-26 00:13:00 -0700 1 1 1 Unclassified WebKit WebCore Misc. 528+ (Nightly build) All Unspecified UNCONFIRMED P2 Normal --- 0 jungkees webkit-unassigned cdumez d-r gyuyoung.kim hojong.han jungkee.song jussi.kukkonen kihong.kwon laszlo.gombos Ms2ger oldest_to_newest 839369 0 jungkees 2013-02-22 01:32:18 -0800 Steps to reproduce: ProgressEvent CR (http://www.w3.org/TR/progress-events/) test - Test wiki: http://www.w3.org/wiki/Webapps/Interop/ProgressEvents - Test suite: http://w3c-test.org/webapps/ProgressEvents/tests/ - Test case: http://w3c-test.org/webapps/ProgressEvents/tests/submissions/Ms2ger/interface.html (3)(4)(5) The ProgressEvent interface 1, 2, 3 Actual results: Test case failed: var desc = Object.getOwnPropertyDescriptor(ProgressEvent.prototype, a[1]) returns undefined such that desc.enumerable and desc.configurable cannot be checked. Expected results: var desc = Object.getOwnPropertyDescriptor(ProgressEvent.prototype, a[1]) successfully returns descriptor and results decs.enumerable === true and decs.configurable === true