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Bug
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Resolution: Fixed
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Normal
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None
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None
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None
Unparsing:
A schema was set up by dev for testing that contained a sequence of an optional array and a scalar. I added a sample unparsing test (impOptArrayThenScalar02 in daffodil-test/src/test/resources/edu/illinois/ncsa/daffodil/section16/array_optional_elem/UnparseArrayImplicitOptionalElem.tdml) that uses an infoset that has the optional array not present. At first I used the following as the infoset:
<tdml:infoset xmlns="http://example.com">
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<tdml:dfdlInfoset>
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<r4>
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<sca>3</sca>
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</r4>
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</tdml:dfdlInfoset>
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The test failed with the following error:
[error] Test edu.illinois.ncsa.daffodil.section16.array_optional_elem.TestUnparseArrayOptionalElem.test_impOptArrayThenScalar02 failed: edu.illinois.ncsa.daffodil.tdml.TDMLException: output data length 0 for List() doesn't match expected value 1 for List(51)
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When I added in an empty element for the non-present array, the test passed:
<tdml:infoset xmlns="http://example.com">
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<tdml:dfdlInfoset>
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<r4>
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<opt/>
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<sca>3</sca>
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</r4>
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</tdml:dfdlInfoset>
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</tdml:infoset>
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I wasn't sure if this was the beviour that we would expect, so I wrote up a parsing test case to see if the empty element is generated (impOptArrayThenScalar02b in daffodil-test/src/test/resources/edu/illinois/ncsa/daffodil/section16/array_optional_elem/ArrayOptionalElem.tdml). My document is a single character, and I get the following error:
[error] Test edu.illinois.ncsa.daffodil.section16.array_optional_elem.TestArrayOptionalElem.test_impOptArrayThenScalar02b failed: edu.illinois.ncsa.daffodil.processors.ParseError: Parse Error: StringFixedLengthInBytesFixedWidthCharacters - Insufficient Bits in field: IndexOutOfBounds:
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[error] null
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[error] Schema context: One(element.sca) List(element.sca)
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[error] Data location was preceding byte 1
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[error] UTF-8 text starting at byte 0 is: (3)
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[error] Data (hex) starting at byte 0 is: (0x33)
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