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# - Find CxxTest
# Find the CxxTest suite and declare a helper macro for creating unit tests
# and integrating them with CTest.
# For more details on CxxTest see http://cxxtest.tigris.org
#
# INPUT Variables
#
# CXXTEST_USE_PYTHON [deprecated since 1.3]
# Only used in the case both Python & Perl
# are detected on the system to control
# which CxxTest code generator is used.
#
# NOTE: In older versions of this Find Module,
# this variable controlled if the Python test
# generator was used instead of the Perl one,
# regardless of which scripting language the
# user had installed.
#
# CXXTEST_TESTGEN_ARGS (since CMake 2.8.3)
# Specify a list of options to pass to the CxxTest code
# generator. If not defined, --error-printer is
# passed.
#
# OUTPUT Variables
#
# CXXTEST_FOUND
# True if the CxxTest framework was found
# CXXTEST_INCLUDE_DIRS
# Where to find the CxxTest include directory
# CXXTEST_PERL_TESTGEN_EXECUTABLE
# The perl-based test generator
# CXXTEST_PYTHON_TESTGEN_EXECUTABLE
# The python-based test generator
# CXXTEST_TESTGEN_EXECUTABLE (since CMake 2.8.3)
# The test generator that is actually used (chosen using user preferences
# and interpreters found in the system)
# CXXTEST_TESTGEN_INTERPRETER (since CMake 2.8.3)
# The full path to the Perl or Python executable on the system
#
# MACROS for optional 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 Usage:
#
# find_package(CxxTest)
# if(CXXTEST_FOUND)
# include_directories(${CXXTEST_INCLUDE_DIR})
# enable_testing()
#
# CXXTEST_ADD_TEST(unittest_foo foo_test.cc
# ${CMAKE_CURRENT_SOURCE_DIR}/foo_test.h)
# target_link_libraries(unittest_foo foo) # as needed
# endif()
#
# This will (if CxxTest is found):
# 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.
#
# #=============
# Example foo_test.h:
#
# #include <cxxtest/TestSuite.h>
#
# class MyTestSuite : public CxxTest::TestSuite
# {
# public:
# void testAddition( void )
# {
# TS_ASSERT( 1 + 1 > 1 );
# TS_ASSERT_EQUALS( 1 + 1, 2 );
# }
# };
#
#=============================================================================
# Copyright 2008-2010 Kitware, Inc.
# Copyright 2008-2010 Philip Lowman <philip@yhbt.com>
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
# Version 1.3 (8/19/10) (CMake 2.8.3)
# Included patch by Simone Rossetto to check if either Python or Perl
# are present in the system. Whichever intepreter that is detected
# is now used to run the test generator program. If both interpreters
# are detected, the CXXTEST_USE_PYTHON variable is obeyed.
#
# Also added support for CXXTEST_TESTGEN_ARGS, for manually specifying
# options to the CxxTest code generator.
# Version 1.2 (3/2/08)
# Included patch from Tyler Roscoe to have the perl & python binaries
# detected based on CXXTEST_INCLUDE_DIR
# Version 1.1 (2/9/08)
# Clarified example to illustrate need to call target_link_libraries()
# Changed commands to lowercase
# Added licensing info
# Version 1.0 (1/8/08)
# Fixed CXXTEST_INCLUDE_DIRS so it will work properly
# Eliminated superfluous CXXTEST_FOUND assignment
# Cleaned up and added more documentation
#=============================================================
# CXXTEST_ADD_TEST (public macro)
#=============================================================
macro(CXXTEST_ADD_TEST _cxxtest_testname _cxxtest_outfname)
set(_cxxtest_real_outfname ${CMAKE_CURRENT_BINARY_DIR}/${_cxxtest_outfname})
add_custom_command(
OUTPUT ${_cxxtest_real_outfname}
DEPENDS ${ARGN}
COMMAND ${CXXTEST_TESTGEN_INTERPRETER}
${CXXTEST_TESTGEN_EXECUTABLE} ${CXXTEST_TESTGEN_ARGS} -o ${_cxxtest_real_outfname} ${ARGN}
)
set_source_files_properties(${_cxxtest_real_outfname} PROPERTIES GENERATED true)
add_executable(${_cxxtest_testname} ${_cxxtest_real_outfname})
if(CMAKE_RUNTIME_OUTPUT_DIRECTORY)
add_test(${_cxxtest_testname} ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${_cxxtest_testname})
elseif(EXECUTABLE_OUTPUT_PATH)
add_test(${_cxxtest_testname} ${EXECUTABLE_OUTPUT_PATH}/${_cxxtest_testname})
else()
add_test(${_cxxtest_testname} ${CMAKE_CURRENT_BINARY_DIR}/${_cxxtest_testname})
endif()
endmacro(CXXTEST_ADD_TEST)
#=============================================================
# main()
#=============================================================
if(NOT DEFINED CXXTEST_TESTGEN_ARGS)
set(CXXTEST_TESTGEN_ARGS --error-printer)
endif()
find_package(PythonInterp QUIET)
find_package(Perl QUIET)
find_path(CXXTEST_INCLUDE_DIR cxxtest/TestSuite.h)
find_program(CXXTEST_PYTHON_TESTGEN_EXECUTABLE cxxtestgen.py
PATHS ${CXXTEST_INCLUDE_DIR})
find_program(CXXTEST_PERL_TESTGEN_EXECUTABLE cxxtestgen.pl
PATHS ${CXXTEST_INCLUDE_DIR})
if(PYTHONINTERP_FOUND OR PERL_FOUND)
include(FindPackageHandleStandardArgs)
if(PYTHONINTERP_FOUND AND (CXXTEST_USE_PYTHON OR NOT PERL_FOUND))
set(CXXTEST_TESTGEN_EXECUTABLE ${CXXTEST_PYTHON_TESTGEN_EXECUTABLE})
set(CXXTEST_TESTGEN_INTERPRETER ${PYTHON_EXECUTABLE})
FIND_PACKAGE_HANDLE_STANDARD_ARGS(CxxTest DEFAULT_MSG
CXXTEST_INCLUDE_DIR CXXTEST_PYTHON_TESTGEN_EXECUTABLE)
elseif(PERL_FOUND)
set(CXXTEST_TESTGEN_EXECUTABLE ${CXXTEST_PERL_TESTGEN_EXECUTABLE})
set(CXXTEST_TESTGEN_INTERPRETER ${PERL_EXECUTABLE})
FIND_PACKAGE_HANDLE_STANDARD_ARGS(CxxTest DEFAULT_MSG
CXXTEST_INCLUDE_DIR CXXTEST_PERL_TESTGEN_EXECUTABLE)
endif()
if(CXXTEST_FOUND)
set(CXXTEST_INCLUDE_DIRS ${CXXTEST_INCLUDE_DIR})
endif()
else()
set(CXXTEST_FOUND false)
if(NOT CxxTest_FIND_QUIETLY)
if(CxxTest_FIND_REQUIRED)
message(FATAL_ERROR "Neither Python nor Perl found, cannot use CxxTest, aborting!")
else()
message(STATUS "Neither Python nor Perl found, CxxTest will not be used.")
endif()
endif()
endif()
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