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* [Bug java/32862] New: bug in EnumMap implementation @ 2007-07-23 8:02 debian-gcc at lists dot debian dot org 2007-07-23 16:11 ` [Bug java/32862] " tromey at gcc dot gnu dot org ` (2 more replies) 0 siblings, 3 replies; 4+ messages in thread From: debian-gcc at lists dot debian dot org @ 2007-07-23 8:02 UTC (permalink / raw) To: gcc-bugs [forwarded from http://bugs.debian.org/423160] seen with trunk 20070720 The gij implementation of EnumMap class contains a flaw: it returns strange java.lang.Object classes for missing elements. The error can be demonstrated with this program: === Cut === import java.util.*; public class Test { enum TestEnum { FIRST, SECOND } public static void main(String[] args) { Map<TestEnum, String> map = new EnumMap<TestEnum, String>(TestEnum.class); map.put(TestEnum.FIRST, "first"); System.out.println(map); System.out.println(map.containsKey(TestEnum.SECOND)); System.out.println(map.get(TestEnum.SECOND)); } } $ gcj -C Test.java tmp $ gij Test {FIRST=first} false Exception in thread "main" java.lang.ClassCastException: java.lang.Object cannot be cast to java.lang.String at Test.main(Test.java:13) tmp $ java Test {FIRST=first} false null === Cut === As you can see, Sun Java (the last call) returns correct null, while GNU libgcj returns bogus java.lang.Object. -- Summary: bug in EnumMap implementation Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: java AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: debian-gcc at lists dot debian dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32862 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug java/32862] bug in EnumMap implementation 2007-07-23 8:02 [Bug java/32862] New: bug in EnumMap implementation debian-gcc at lists dot debian dot org @ 2007-07-23 16:11 ` tromey at gcc dot gnu dot org 2007-07-24 15:27 ` cvs-commit at developer dot classpath dot org 2007-08-07 17:38 ` tromey at gcc dot gnu dot org 2 siblings, 0 replies; 4+ messages in thread From: tromey at gcc dot gnu dot org @ 2007-07-23 16:11 UTC (permalink / raw) To: gcc-bugs ------- Comment #1 from tromey at gcc dot gnu dot org 2007-07-23 16:11 ------- I have a fix I'm testing. -- tromey at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |tromey at gcc dot gnu dot |dot org |org Status|UNCONFIRMED |ASSIGNED Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2007-07-23 16:11:28 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32862 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug java/32862] bug in EnumMap implementation 2007-07-23 8:02 [Bug java/32862] New: bug in EnumMap implementation debian-gcc at lists dot debian dot org 2007-07-23 16:11 ` [Bug java/32862] " tromey at gcc dot gnu dot org @ 2007-07-24 15:27 ` cvs-commit at developer dot classpath dot org 2007-08-07 17:38 ` tromey at gcc dot gnu dot org 2 siblings, 0 replies; 4+ messages in thread From: cvs-commit at developer dot classpath dot org @ 2007-07-24 15:27 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from cvs-commit at developer dot classpath dot org 2007-07-24 15:27 ------- Subject: Bug 32862 CVSROOT: /cvsroot/classpath Module name: classpath Changes by: Tom Tromey <tromey> 07/07/24 15:26:36 Modified files: . : ChangeLog java/util : EnumMap.java Log message: PR java/32862: * java/util/EnumMap.java (get): Special case emptySlot. (clone): Rewrote. CVSWeb URLs: http://cvs.savannah.gnu.org/viewcvs/classpath/ChangeLog?cvsroot=classpath&r1=1.9354&r2=1.9355 http://cvs.savannah.gnu.org/viewcvs/classpath/java/util/EnumMap.java?cvsroot=classpath&r1=1.4&r2=1.5 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32862 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug java/32862] bug in EnumMap implementation 2007-07-23 8:02 [Bug java/32862] New: bug in EnumMap implementation debian-gcc at lists dot debian dot org 2007-07-23 16:11 ` [Bug java/32862] " tromey at gcc dot gnu dot org 2007-07-24 15:27 ` cvs-commit at developer dot classpath dot org @ 2007-08-07 17:38 ` tromey at gcc dot gnu dot org 2 siblings, 0 replies; 4+ messages in thread From: tromey at gcc dot gnu dot org @ 2007-08-07 17:38 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from tromey at gcc dot gnu dot org 2007-08-07 17:38 ------- Fixed via classpath import. -- tromey at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED Target Milestone|--- |4.3.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32862 ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2007-08-07 17:38 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2007-07-23 8:02 [Bug java/32862] New: bug in EnumMap implementation debian-gcc at lists dot debian dot org 2007-07-23 16:11 ` [Bug java/32862] " tromey at gcc dot gnu dot org 2007-07-24 15:27 ` cvs-commit at developer dot classpath dot org 2007-08-07 17:38 ` tromey at gcc dot gnu dot org
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