JDK-6573289 : api/java_awt/Color/index.html#CreateContextTesttestCase4,5,6,7 fail since JDK 7 b14
  • Type: Bug
  • Component: client-libs
  • Sub-Component: java.awt
  • Affected Version: 7
  • Priority: P2
  • Status: Closed
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2007-06-25
  • Updated: 2017-05-16
  • Resolved: 2011-05-18
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JDK 7
7 b27Fixed
Related Reports
Relates :  
JDK-6596600 - JCK Color.createContext() test cases failing in JDK 7 b14
Relates :  
JDK-6597424 - OpenJDK: api/java_awt/Color/index.html#CreateContextTesttestCase4,5,6,7 fail since JDK 7 b14
Relates :  
JDK-6530420 - remove unnecessary fields in Color class
Description
JCK            : JCK-runtime-6a b14
J2SE           : FAIL - jdk 7 b14, PASS jdk6u2 b05 JDK 7 b13
Platform[s]    : FAIL - seems to be all
switch/Mode    : FAIL - default

Tests 
api/java_awt/Color/index.html#CreateContextTesttestCase4[testCase4]
api/java_awt/Color/index.html#CreateContextTesttestCase5[testCase5]
api/java_awt/Color/index.html#CreateContextTesttestCase6[testCase6]
api/java_awt/Color/index.html#CreateContextTesttestCase7[testCase7]

fail since jdk 7 b14. Tests verify statement
"The same PaintContext is returned, regardless of whether or not r, r2d, xform, or hints are null." of java.awt.Color.createContext method.
Unfortunately, since b14 it returns different context.
Comments
SUGGESTED FIX http://ccc/6573289
23-10-2007
EVALUATION The PaintContext class does not define a contract for the equals method so the default contract of the equals method on a class implementing that interface is the same contract as Object.equals(). Unfortunately, the createContext method on Color specifies that the same Context is returned for each call to it. This statement is unnecessary and requires caching the return value to maintain that contract which is a performance hit. The same sentence also mentions that the return value does not depend on various parameters being null or non-null and that part continues to be true, that part of the sentence should probably remain, though it should be considered whether or not the Paint interface requires such conditions to be specified or not. This doc statement should have been modified from the API description when the code to cache the context was removed during the fix of 6530420. I am reassigning to AWT and the engineer responsible for that fix to complete the appropriate modified Change Requests to modify the documentation as per the fix of that bug.
26-06-2007