[Webkit-unassigned] [Bug 192644] WKWebView returns invalid window screen width and height in classic iPad apps

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Dec 14 11:18:37 PST 2018


Jonathan Bedard <jbedard at apple.com> changed:

           What    |Removed                     |Added
                 CC|                            |jbedard at apple.com

--- Comment #8 from Jonathan Bedard <jbedard at apple.com> ---
(In reply to Andrew Wooster from comment #7)
> Updated the patch with a note about tests.
> The test failures I saw appeared on both WebKit with and without the patch.
> They show up as "Flaky tests".
> Additionally, it looks like not many tests are being run by the test runner:
> > Found 56768 tests; running 48958, skipping 7810.
> >                                      
> > Skipping 48945 tests because iPhone SE running iOS is not available
> > 
> > 
> > Skipping 1 test because iPhone 7 running iOS is not available
> > 
> > 
> > Running 12 tests for iPad running iOS
> I'm running Xcode 10.1.

This is related to some new changes with how we handle already booted simulators. The log you have provided is a bit sparse, (use --debug-rwt-logging to make it more verbose), but I'm betting that you have an iPad (and only an iPad) simulator booted when you run tests. Booting simulators is a bit of an expensive task, so we try to use existing simulators. With some recent changes I've made, we're trying to do a better job of respecting the type of device a test was originally baselined for. You can override the behavior by a) shutting down all simulators before running tests or b) pass --dedicated-simulators.

The relevant bugs (one landed, one still a work in progress) are <https://bugs.webkit.org/show_bug.cgi?id=192161> and <https://bugs.webkit.org/show_bug.cgi?id=192162>.

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