rasqal 0.9.30 (failing unittests, also in previous version: 0.9.26)

[Nico Kruber]

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Today I tried to update rasqal to a newer version and I finally got it
to compile. Nevertheless some unit tests fail (and have been failing
in the previous version also). I'm using MSVC2010 (Express) and can't
seem to get most of the tests to run in QtCreator - they fail
"unexpectedly" and the debugger (I installed cdb) doesn't tell me why.

If anyone knows how to debug this (or better how to fix the tests if
they really point to errors), please have a look.

Thanks
Nico

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errors from rasqal 0.9.30 tests:
Running tests...
Test project
D:/kderoot/build/win32libs/rasqal-0.9.26-20110726/work/msvc2010-RelWithDebInfo-0.9.30
      Start  1: rasqal_algebra
 1/18 Test  #1: rasqal_algebra ...................   Passed    0.02 sec
      Start  2: rasqal_expr
 2/18 Test  #2: rasqal_expr ......................   Passed    0.02 sec
      Start  3: strcasecmp
 3/18 Test  #3: strcasecmp .......................   Passed    0.01 sec
      Start  4: rasqal_xsd_datatypes
 4/18 Test  #4: rasqal_xsd_datatypes .............***Failed    0.02 sec
      Start  5: rasqal_decimal
 5/18 Test  #5: rasqal_decimal ...................   Passed    0.02 sec
      Start  6: rasqal_datetime
 6/18 Test  #6: rasqal_datetime ..................   Passed    0.02 sec
      Start  7: rasqal_variable
 7/18 Test  #7: rasqal_variable ..................   Passed    0.02 sec
      Start  8: rasqal_rowsource_empty
 8/18 Test  #8: rasqal_rowsource_empty ...........   Passed    0.02 sec
      Start  9: rasqal_rowsource_union
 9/18 Test  #9: rasqal_rowsource_union ...........   Passed    0.02 sec
      Start 10: rasqal_rowsource_rowsequence
10/18 Test #10: rasqal_rowsource_rowsequence .....   Passed    0.02 sec
      Start 11: rasqal_rowsource_project
11/18 Test #11: rasqal_rowsource_project .........   Passed    0.02 sec
      Start 12: rasqal_rowsource_join
12/18 Test #12: rasqal_rowsource_join ............   Passed    0.02 sec
      Start 13: rasqal_rowsource_triples
13/18 Test #13: rasqal_rowsource_triples .........***Failed    0.02 sec
      Start 14: rasqal_row_compatible
14/18 Test #14: rasqal_row_compatible ............   Passed    0.02 sec
      Start 15: rasqal_rowsource_groupby
15/18 Test #15: rasqal_rowsource_groupby .........   Passed    0.02 sec
      Start 16: rasqal_rowsource_aggregation
16/18 Test #16: rasqal_rowsource_aggregation .....   Passed    0.02 sec
      Start 17: rasqal_literal
17/18 Test #17: rasqal_literal ...................   Passed    0.02 sec
      Start 18: rasqal_query_test
18/18 Test #18: rasqal_query_test ................***Failed    0.02 sec

83% tests passed, 3 tests failed out of 18

Total Test time (real) =   0.36 sec

The following tests FAILED:
	  4 - rasqal_xsd_datatypes (Failed)
	 13 - rasqal_rowsource_triples (Failed)
	 18 - rasqal_query_test (Failed)
Errors while running CTest

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previous version used by emerge (0.9.26):
Running tests...
Test project
D:/kderoot/build/win32libs/rasqal-0.9.26-20110726/work/msvc2010-RelWithDebInfo-0.9.26
      Start  1: rasqal_algebra
 1/18 Test  #1: rasqal_algebra ...................   Passed    0.02 sec
      Start  2: rasqal_expr
 2/18 Test  #2: rasqal_expr ......................   Passed    0.02 sec
      Start  3: strcasecmp
 3/18 Test  #3: strcasecmp .......................   Passed    0.01 sec
      Start  4: rasqal_xsd_datatypes
 4/18 Test  #4: rasqal_xsd_datatypes .............   Passed    0.02 sec
      Start  5: rasqal_decimal
 5/18 Test  #5: rasqal_decimal ...................   Passed    0.02 sec
      Start  6: rasqal_datetime
 6/18 Test  #6: rasqal_datetime ..................   Passed    0.02 sec
      Start  7: rasqal_variable
 7/18 Test  #7: rasqal_variable ..................   Passed    0.02 sec
      Start  8: rasqal_rowsource_empty
 8/18 Test  #8: rasqal_rowsource_empty ...........   Passed    0.02 sec
      Start  9: rasqal_rowsource_union
 9/18 Test  #9: rasqal_rowsource_union ...........   Passed    0.02 sec
      Start 10: rasqal_rowsource_rowsequence
10/18 Test #10: rasqal_rowsource_rowsequence .....   Passed    0.02 sec
      Start 11: rasqal_rowsource_project
11/18 Test #11: rasqal_rowsource_project .........   Passed    0.02 sec
      Start 12: rasqal_rowsource_join
12/18 Test #12: rasqal_rowsource_join ............   Passed    0.02 sec
      Start 13: rasqal_rowsource_triples
13/18 Test #13: rasqal_rowsource_triples .........***Failed    0.02 sec
      Start 14: rasqal_row_compatible
14/18 Test #14: rasqal_row_compatible ............   Passed    0.02 sec
      Start 15: rasqal_rowsource_groupby
15/18 Test #15: rasqal_rowsource_groupby .........   Passed    0.02 sec
      Start 16: rasqal_rowsource_aggregation
16/18 Test #16: rasqal_rowsource_aggregation .....   Passed    0.02 sec
      Start 17: rasqal_literal
17/18 Test #17: rasqal_literal ...................   Passed    0.02 sec
      Start 18: rasqal_query_test
18/18 Test #18: rasqal_query_test ................***Failed    0.02 sec

89% tests passed, 2 tests failed out of 18

Total Test time (real) =   0.36 sec

The following tests FAILED:
	 13 - rasqal_rowsource_triples (Failed)
	 18 - rasqal_query_test (Failed)
Errors while running CTest
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