[ http://issues.apache.org/jira/browse/XERCESJ-1081?page=all ]
Sandy Gao reassigned XERCESJ-1081:
----------------------------------
Assign To: Sandy Gao
> empty choices are validating
> ----------------------------
>
> Key: XERCESJ-1081
> URL: http://issues.apache.org/jira/browse/XERCESJ-1081
> Project: Xerces2-J
> Type: Bug
> Components: XML Schema Structures
> Versions: 2.6.2
> Environment: win2k sp4, sun jvm 1.5.0_01-b08
> Reporter: Paul V. Biron
> Assignee: Sandy Gao
>
> According to "Validation Rule: Element Sequence Valid" (cvc-model-group) a
> content model with an empty choice should not be matched by ANY instance
> fragment. The following schema and instance documents that show that xerces
> 2.6.2 does not correctly deal with empty choices in content models as it says
> the following instance document is valid.
> <!-- emptyChoice.xsd -->
> <xs:schema
> xmlns:xs='http://www.w3.org/2001/XMLSchema'>
> <xs:complexType name='emptyChoice'>
> <xs:choice minOccurs='1'/>
> </xs:complexType>
> </xs:schema>
> <!-- emptyChoice.xml -->
> <root
> xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'
> xsi:noNamespaceSchemaLocation='emptyChoice.xsd'
> xsi:type='emptyChoice'/>
> c:>java sax.Counter -s -v -f emptyChoice.xml
> emptyChoice.xml: 641 ms (1 elems, 2 attrs, 0 spaces, 0 chars)
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