<AWT Dev>  Review request for 7042645: Numerous api/java_awt jck tests fail - AWT Assertion Failure on fastdebug ri bundles b138 win7 x86
semyon.sadetsky at oracle.com
Mon Apr 6 12:46:35 UTC 2015
On 4/6/2015 3:33 PM, Alexander Zvegintsev wrote:
> Hello Semyon,
> the fix looks good to me,
> but could you please update the copyright year in all files and fix
> the indentation of if statement in awt_Button.cpp before push?
> On 04/06/2015 03:11 PM, Semyon Sadetsky wrote:
>> Please review fix for JDK9.
>> webrev: http://cr.openjdk.java.net/~ssadetsky/7042645/webrev.00/
>> bug: https://bugs.openjdk.java.net/browse/JDK-7042645
>> *ROOT CAUSE:
>> The assertion fails message triggered in awt_Button.cpp because a
>> WinAPI function used to draw button focus rectangle returns zero.
>> Tests run successfully on the release build just because assertions
>> are ignored in it but they are in failure as well.
>> MSDN documentation for the function return value:
>> Return value
>> If the function succeeds, the return value is nonzero.
>> If the function fails, the return value is zero.
>> is wrong, because it returns zero when window is not visible (for
>> example, outside visible screen area).
>> The discrepancy reveals itself when the function returns zero which
>> means error but subsequent ::GetLastError() call returns error code 0
>> which means successful execution.
>> The same exists in awt_Checkbox.cpp and awt_Component.cpp
>> ::GetlastError() returning error code is asserted to be 0 in case if
>> ::DrawFocusRect() returns zero.
>> This is a JCK test failure issue. No extra regression testing needed.
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