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Bill Lorensen authored
A unit test to cover almost 100% of a critical module. With current patch, 95% coverage. While building this unit test, repaired and enhanced: vtkFunctionParser 1) More consistent error messages 2) Pow error checking wrong 3) Removed unreachable code vtkTestErrorObserver 1) Accumulates error/warning messages until cleared. Prior behaviour was to only report last error/warning. Change-Id: I62d011fcda5a097943553316b68334c406b87cfe
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