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From "Andy Jefferson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JDO-263) TestArrayCollections: Field "org.apache.jdo.tck.pc.fieldtypes.ArrayCollections.ArrayOfObject1" is declared as a reference type (interface/Object) but no implementation classes of "java.lang.Object" have been found!
Date Fri, 06 Jan 2006 06:49:52 GMT
    [ http://issues.apache.org/jira/browse/JDO-263?page=comments#action_12361932 ] 

Andy Jefferson commented on JDO-263:
------------------------------------

Hi Michelle,
looks much better now. Not sure what you're expecting from me on this one. The error is

test(org.apache.jdo.tck.models.fieldtypes.TestArrayCollections)junit.framework.AssertionFailedError:
Assertion (TestArrayCollections) failed:
    [java] Expected and observed do not match!!
    [java] For element 12[0], expected = 2007908.54548, actual = 2007908.54548000008799135684967041015625
.
    [java] For element 12[1], expected = 0.544, actual = 0.544000000000000039079850466805510222911834716796875
.
    [java] For element 12[2], expected = 3002323232.545454, actual = 3002323232.5454540252685546875
.
    [java] For element 12[3], expected = 64564645656.78657, actual = 64564645656.78656768798828125
.
    [java] For element 12[4], expected = 4564565465.2342, actual = 4564565465.23419952392578125
.
    [java]      at org.apache.jdo.tck.JDO_Test.fail(JDO_Test.java:546)
    [java]      at org.apache.jdo.tck.models.fieldtypes.TestArrayCollections.checkValues(TestArrayCollections.java:194)
    [java]      at org.apache.jdo.tck.models.fieldtypes.TestArrayCollections.runTest(TestArrayCollections.java:111)
    [java]      at org.apache.jdo.tck.models.fieldtypes.TestArrayCollections.test(TestArrayCollections.java:73)

so we have a series of floating point numbers that were stored in the RDBMS and when retrieved
have a different precision. We know that RDBMS don't preserve the precision exactly (as shown
on other TCK tests). Does the TCK not have a method to perform rounding so that the numbers
can be compared at the precision of the value that was input ? With all of the differences
above, if the actual value is rounded up or down (depending on the number) they would be identical
and the test would pass.

> TestArrayCollections: Field "org.apache.jdo.tck.pc.fieldtypes.ArrayCollections.ArrayOfObject1"
is declared as a reference type (interface/Object) but no implementation classes of "java.lang.Object"
have been found!
> ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>          Key: JDO-263
>          URL: http://issues.apache.org/jira/browse/JDO-263
>      Project: JDO
>         Type: Bug
>   Components: tck20
>     Reporter: Michelle Caisse
>     Assignee: Andy Jefferson
>  Attachments: jdo-263.patch
>
> test(org.apache.jdo.tck.models.fieldtypes.TestArrayCollections)javax.jdo.JDOUserException:
Field "org.apache.jdo.tck.pc.fieldtypes.ArrayCollections.ArrayOfObject1" is declared as a
reference type (interface/Object) but no implementation classes of "java.lang.Object" have
been found!
> 	at org.jpox.metadata.MetaDataUtils.getImplementationNamesForReferenceField(MetaDataUtils.java:594)
> 	at org.jpox.store.rdbms.table.ColumnCreator.createColumnsForReferenceField(ColumnCreator.java:184)
> 	at org.jpox.store.rdbms.table.ColumnCreator.createColumnsForField(ColumnCreator.java:296)
> 	at org.jpox.store.rdbms.table.ColumnCreator.createColumns(ColumnCreator.java:95)
> 	at org.jpox.store.rdbms.table.ArrayTable.initialize(ArrayTable.java:83)
> 	at org.jpox.store.rdbms.RDBMSManager$ClassAdder.addClassTablesAndValidate(RDBMSManager.java:2404)
> 	at org.jpox.store.rdbms.RDBMSManager$ClassAdder.run(RDBMSManager.java:2033)
> 	at org.jpox.store.rdbms.RDBMSManager$MgmtTransaction.execute(RDBMSManager.java:1893)
> 	at org.jpox.store.rdbms.RDBMSManager.addClasses(RDBMSManager.java:479)
> 	at org.jpox.store.rdbms.RDBMSManager.addClass(RDBMSManager.java:493)
> 	at org.jpox.store.rdbms.RDBMSManager.getDatastoreClass(RDBMSManager.java:766)
> 	at org.jpox.state.StateManagerImpl.populateStrategyFields(StateManagerImpl.java:781)
> 	at org.jpox.state.StateManagerImpl.<init>(StateManagerImpl.java:584)
> 	at org.jpox.AbstractPersistenceManager.internalMakePersistent(AbstractPersistenceManager.java:1076)
> 	at org.jpox.AbstractPersistenceManager.makePersistent(AbstractPersistenceManager.java:1131)
> 	at org.apache.jdo.tck.models.fieldtypes.TestArrayCollections.runTest(TestArrayCollections.java:93)
> 	at org.apache.jdo.tck.models.fieldtypes.TestArrayCollections.test(TestArrayCollections.java:69)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at org.apache.jdo.tck.JDO_Test.runBare(JDO_Test.java:204)
> 	at org.apache.jdo.tck.util.BatchTestRunner.start(BatchTestRunner.java:120)
> 	at org.apache.jdo.tck.util.BatchTestRunner.main(BatchTestRunner.java:95)

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