[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-4343) RemotingTest.testMapWrapper() relies on undefined behavior

[Jozef Hartinger (JIRA)]

RemotingTest.testMapWrapper() relies on undefined behavior
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                 Key: JBSEAM-4343
                 URL: https://jira.jboss.org/jira/browse/JBSEAM-4343
             Project: Seam
          Issue Type: Bug
          Components: Remoting, Test Harness
    Affects Versions: 2.2.0.GA
         Environment: Java(TM) SE Runtime Environment (build pxi3260sr4-20090219_01(SR4))
IBM J9 VM (build 2.4, J2RE 1.6.0 IBM J9 2.4 Linux x86-32 jvmxi3260-20090215_29883 (JIT enabled, AOT enabled)
J9VM - 20090215_029883_lHdSMr
JIT  - r9_20090213_2028
GC   - 20090213_AA)
JCL  - 20090218_01
            Reporter: Jozef Hartinger
            Assignee: Shane Bryzak
             Fix For: 2.2.1.CR1


org.jboss.seam.test.unit.RemotingTest.testMapWrapper()

The test expects the elements to be returned in the same order in which they were created:
<map><element><k><str>bar</str></k><v><str>zzzzz</str></v></element><element><k><str>foo</str></k><v><str>aaaaa</str></v></element></map>

However, on IBM JVM, the order of elements is not preserved in the returned tree, so the tree looks like this:
<map><element><k><str>foo</str></k><v><str>aaaaa</str></v></element><element><k><str>bar</str></k><v><str>zzzzz</str></v></element></map>

The assumption of the test is incorrect, because the marshal() method of MapWrapper class iterates over a Set of keys and thus the order cannot be guaranteed.

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