On Saturday, October 7, 2017 at 9:37:38 PM UTC+2, Thomas Broyer wrote:
>
>
>
> On Saturday, October 7, 2017 at 5:20:15 PM UTC+2, Thomas Broyer wrote:
>>
>>
>>
>> On Saturday, October 7, 2017 at 4:54:28 PM UTC+2, Colin Alworth wrote:
>>>
>>> Like we do for 
>>> com.google.gwt.junit.RunStyleHtmlUnit.HostedJavaScriptEngine so we can hook 
>>> in the "plugin". Looks like that idea might be a winner! Just make sure to 
>>> swap it in both cases, don't want to kill tests in old dev mode.
>>>
>>
>> Seems to be working. I still have 2 tests failing in JUnitSuite 
>> (GWTTestCaseSetupTearDownTest#testSetUpTearDownTimeout and 
>> GWTTestCaseAsyncTest#testLateFinsh_assert), both of them expecting 
>> TimeoutException and getting a SerializableThrowable instead. Need to debug 
>> this using -Dgwt.htmlunit.debug now (exception thrown from Impl.java:215, 
>> i.e. Impl#reportToBrowser, the object is logged as "[object Object]" so I 
>> need a debugger to understand what happens)
>>
>
> OK, so, there's a problem of isolation: the exception from 
> testSetUpTearDownFailAsync is making testSetUpTearDownTimeout fail.
> This is likely because GWTTestCase's reportUncaughtException (called from 
> the Impl.uncaughtExceptionHandlerForTest) immediately 
> reportResultsAndRunNextMethod, which schedules the next test with 
> Scheduler.get().scheduleDeferred. Then (from Impl's 
> reportUncaughtException), reportToBrowser is called which throws the 
> exception again in a setTimeout(…, 0). scheduleDeferred uses setTimeout(…, 
> 1), but because HtmlUnit clamps the delay at 1ms anyway, the 
> scheduleDeferred command is run before the exception is thrown to the 
> browser.
> Removing the setTimeout from Impl's reportToBrowser fixes the test, but 
> (probably) only because reportUncaughtException is called by the top-most 
> $entry(); otherwise it'd (probably) be caught by the parent $entry and 
> re-routed to the UncaughtExceptionHandler.
>
> Daniel, is there any other change you have internally that's not sync'd to 
> open source? I don't quite understand how that could work even with the 
> earlier HtmlUnit.
>

Fwiw, I reverted to HtmlUnit 2.13 (and Jetty 8) and the two same tests 
fail, with the same error. So if it passes inside Google, then there must 
be something else to do, that you probably have done inside Google and not 
replicated to open source. 

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