pkatlic commented on code in PR #1137:
URL: https://github.com/apache/daffodil/pull/1137#discussion_r1501100625
##########
daffodil-test/src/test/resources/org/apache/daffodil/section23/dfdl_functions/Functions.tdml:
##########
@@ -5212,6 +5212,80 @@
</xs:complexType>
</xs:element>
+ <xs:group name="countGroup">
+ <xs:sequence>
+ <xs:element name="count" type="xs:int" dfdl:representation="binary"
dfdl:inputValueCalc="{ fn:count(../ex:foo) }"/>
+ </xs:sequence>
+ </xs:group>
+ <xs:element name="scalarOptional">
+ <xs:complexType>
+ <xs:sequence>
+ <xs:element name="scalar">
+ <xs:complexType>
+ <xs:sequence>
+ <xs:element name="foo" type="xs:int"
dfdl:representation="binary"/>
+ <xs:group ref="countGroup"/>
+ </xs:sequence>
+ </xs:complexType>
+ </xs:element>
+ <xs:element name="optional">
+ <xs:complexType>
+ <xs:sequence>
+ <xs:element name="foo" type="xs:int" minOccurs="0"
dfdl:representation="binary"/>
+ <xs:group ref="countGroup"/>
+ </xs:sequence>
+ </xs:complexType>
+ </xs:element>
+ </xs:sequence>
+ </xs:complexType>
+ </xs:element>
+ <xs:element name="scalarArray">
+ <xs:complexType>
+ <xs:sequence>
+ <xs:element name="scalar">
+ <xs:complexType>
+ <xs:sequence>
+ <xs:element name="foo" type="xs:int"
dfdl:representation="binary"/>
+ <xs:group ref="countGroup"/>
+ </xs:sequence>
+ </xs:complexType>
+ </xs:element>
+ <xs:element name="array">
+ <xs:complexType>
+ <xs:sequence>
+ <xs:element name="foo" type="xs:int" minOccurs="2"
maxOccurs="2" dfdl:representation="binary"/>
+ <xs:group ref="countGroup"/>
+ </xs:sequence>
+ </xs:complexType>
+ </xs:element>
+ </xs:sequence>
+ </xs:complexType>
+ </xs:element>
+ <xs:element name="arrayOptional">
+ <xs:complexType>
+ <xs:sequence>
+ <xs:element name="array">
+ <xs:complexType>
+ <xs:sequence>
+ <xs:element name="foo" type="xs:int" minOccurs="2"
maxOccurs="2" dfdl:representation="binary"/>
+ <xs:group ref="countGroup"/>
+ </xs:sequence>
+ </xs:complexType>
+ </xs:element>
+ <xs:element name="optional">
+ <xs:complexType>
+ <xs:sequence>
+ <xs:element name="foo" type="xs:int" minOccurs="0"
maxOccurs="1" dfdl:representation="binary"/>
+ <xs:element name="count" type="xs:int"
dfdl:representation="binary" dfdl:inputValueCalc="{ fn:count(../ex:foo) }"/>
+ <!-- throws ClassCastException -->
Review Comment:
This exception still occurs for this case with an array and optional, as it
seems that the optional is evaluated as a DownArray rather than a DownElement.
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