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create_test_sourcelist
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----------------------
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Create a test driver and source list for building test programs.
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.. code-block:: cmake
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create_test_sourcelist(<sourceListName> <driverName>
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<tests> ...
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[EXTRA_INCLUDE <include>]
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[FUNCTION <function>])
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A test driver is a program that links together many small tests into a single
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executable. This is useful when building static executables with large
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libraries to shrink the total required size. The list of source files needed
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to build the test driver will be in ``sourceListName``. ``driverName`` is the
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name of the test driver program. The rest of the arguments consist of a list
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of test source files and can be semicolon separated. Each test source file
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should have a function in it that is the same name as the file with no
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extension (``foo.cxx`` should have ``int foo(int, char*[]);``). ``driverName``
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will be able to call each of the tests by name on the command line. If
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``EXTRA_INCLUDE`` is specified, then the next argument is included into the
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generated file. If ``FUNCTION`` is specified, then the next argument is taken
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as a function name that is passed pointers to ``argc`` and ``argv``. This can
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be used to add extra command line processing to each test. The
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``CMAKE_TESTDRIVER_BEFORE_TESTMAIN`` cmake variable can be set to have code
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that will be placed directly before calling the test ``main`` function.
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``CMAKE_TESTDRIVER_AFTER_TESTMAIN`` can be set to have code that will be
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placed directly after the call to the test ``main`` function.
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