Normal Description
The valueLength function fails when referencing a complex element during parsing. It works with unparsing though.
[error] Test edu.illinois.ncsa.daffodil.section23.dfdl_expressions.TestDFDLExpressionsDebug.test_valueLength_5 failed: edu.illinois.ncsa.daffodil.tdml.TDMLException: Schema Definition Error: Expression evaluation failed: Error: Value length unknown for element {http://example.com}seq.BlockingDOS(valueLen(unk, unk))
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[error] Schema context: (no schema component identifier) (no schema file location)(no data location)
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[error] Schema context: element.valLen. Location line 427 column 12 in file:/tmp/Functions.dfdl.xsd6087470375088588725.dfdl.xsd.
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[error] at edu.illinois.ncsa.daffodil.tdml.ParserTestCase.runParseExpectSuccess(TDMLRunner.scala:666)
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See test_valueLength_5 in:
daffodil-test/src/test/resources/edu/illinois/ncsa/daffodil/section23/dfdl_functions/Functions.tdml
daffodil-test/src/test/scala-debug/edu/illinois/ncsa/daffodil/section23/dfdl_expressions/TestDFDLExpressionsDebug.scala
