Enable testing for current directory and below.
enable_testing()
Enables testing for this directory and below. See also the add_test() command. Note that ctest expects to find a test file in the build directory root. Therefore, this command should be in the source directory root.
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© 2000–2011 Insight Software Consortium
Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.7/command/enable_testing.html