RESOLVED INVALID 147598
AppCache can fire both "cached" and "noupdate" event for the same manifest revalidation. 
https://bugs.webkit.org/show_bug.cgi?id=147598
Summary AppCache can fire both "cached" and "noupdate" event for the same manifest re...
Brady Eidson
Reported 2015-08-03 16:13:41 PDT
AppCache can fire both "cached" and "noupdate" event for the same manifest revalidation. The spec (http://www.w3.org/TR/2011/WD-html5-20110525/offline.html) says that both "cached" and "noupdate" are terminal events - "Last event in sequence" - so it seems this is wrong. To see this reproduce, run the layout test http/tests/appcache/identifier-test.html and notice that the event handler is called twice, once for each of these events.
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Alexey Proskuryakov
Comment 1 2015-08-03 16:52:35 PDT
Turns out that it's called twice because a handler is installed in two windows, and each gets an event.
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