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# - Find CxxTest
# Find the CxxTest suite and declare a helper macro for creating unit tests
# and integrating them with CTest. To assist in finding CxxTest the
# CMAKE_PREFIX_PATH variable can be used.
# For more details on CxxTest see http://cxxtest.tigris.org
#
# INPUT Variables
#
# CXXTEST_USE_PYTHON
# If true, have the CXXTEST_ADD_TEST macro use
# the python test generator instead of perl.
#
# OUTPUT Variables
#
# CXXTEST_INCLUDE_DIR
# Where to find the CxxTest include directory
# CXXTEST_FOUND
# True if the CxxTest framework was found
# CXXTEST_PERL_TESTGEN_EXECUTABLE
# The perl-based test generator.
# CXXTEST_PYTHON_TESTGEN_EXECUTABLE
# The python-based test generator.
#
# MACROS for use by CMake users:
#
# CXXTEST_ADD_TEST(<test_name> <gen_source_file> <input_files_to_testgen...>)
# Creates a CxxTest runner and adds it to the CTest testing suite
# Parameters:
# test_name The name of the test
# gen_source_file The generated source filename to be generated by CxxTest
# input_files_to_testgen The list of header files containing the
# CxxTest::TestSuite's to be included in this runner
#
# Example:
# ENABLE_TESTING()
# CXXTEST_ADD_TEST(unittest_foo foo_test.cc ${CMAKE_CURRENT_SOURCE_DIR}/foo_test.h)
#
# This will:
# 1. Invoke the testgen executable to autogenerate foo_test.cc in the
# binary tree from "foo_test.h" in the current source directory.
# 2. Create an executable and test called unittest_foo.
#
MACRO(CXXTEST_ADD_TEST _cxxtest_testname _cxxtest_outfname)
SET(_cxxtest_real_outfname ${CMAKE_CURRENT_BINARY_DIR}/${_cxxtest_outfname})
IF(CXXTEST_USE_PYTHON)
SET(_cxxtest_executable ${CXXTEST_PYTHON_TESTGEN_EXECUTABLE})
ELSE(CXXTEST_USE_PYTHON)
SET(_cxxtest_executable ${CXXTEST_PERL_TESTGEN_EXECUTABLE})
ENDIF(CXXTEST_USE_PYTHON)
ADD_CUSTOM_COMMAND(
OUTPUT ${_cxxtest_real_outfname}
DEPENDS ${ARGN}
COMMAND ${_cxxtest_executable}
--error-printer -o ${_cxxtest_real_outfname} ${ARGN}
)
SET_SOURCE_FILES_PROPERTIES(${_cxxtest_real_outfname} PROPERTIES GENERATED true)
ADD_EXECUTABLE(${_cxxtest_testname} ${_cxxtest_real_outfname})
IF(CMAKE_RUNTIME_OUTPUT_DIRECTORY)
# The test binary is in CMAKE_RUNTIME_OUTPUT_DIRECTORY
ADD_TEST(${_cxxtest_testname} ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${_cxxtest_testname})
ELSEIF(EXECUTABLE_OUTPUT_PATH)
ADD_TEST(${_cxxtest_testname} ${EXECUTABLE_OUTPUT_PATH}/${_cxxtest_testname})
ELSE(CMAKE_RUNTIME_OUTPUT_DIRECTORY)
ADD_TEST(${_cxxtest_testname} ${CMAKE_CURRENT_BINARY_DIR}/${_cxxtest_testname})
ENDIF(CMAKE_RUNTIME_OUTPUT_DIRECTORY)
ENDMACRO(CXXTEST_ADD_TEST)
#=========
# main
#=========
FIND_PATH(CXXTEST_INCLUDE_DIR cxxtest/SelfTest.h)
FIND_PROGRAM(CXXTEST_PERL_TESTGEN_EXECUTABLE cxxtestgen.pl)
FIND_PROGRAM(CXXTEST_PYTHON_TESTGEN_EXECUTABLE cxxtestgen.py)
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(CxxTest DEFAULT_MSG CXXTEST_INCLUDE_DIR)
IF(CXXTEST_INCLUDE_DIR)
SET(CXXTEST_INCLUDE_DIRS ${CXXTEST_INCLUDE_DIR})
SET(CXXTEST_FOUND true)
ENDIF(CXXTEST_INCLUDE_DIR)
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