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# Prepare variable definitions.
set(VAR_UNDEFINED)
set(VAR_PATH /some/path/to/a/file.txt)
set(FALSE_NAMES OFF NO FALSE N FOO-NOTFOUND IGNORE Off No False Ignore off n no false ignore)
set(TRUE_NAMES ON YES TRUE Y On Yes True on yes true y)
foreach(_arg "" 0 1 2 ${TRUE_NAMES} ${FALSE_NAMES})
set(VAR_${_arg} "${_arg}")
endforeach()
include("@CMAKE_CURRENT_SOURCE_DIR@/../RegexEscapeString.cmake")
REGEX_ESCAPE_STRING(CTEST_ESCAPED_CMAKE_CURRENT_SOURCE_DIR "@CMAKE_CURRENT_SOURCE_DIR@")
macro(test_vars _old)
# Variables set to false or not set.
foreach(_var "" 0 ${FALSE_NAMES} UNDEFINED)
if(VAR_${_var})
message(FATAL_ERROR "${_old}if(VAR_${_var}) is true!")
else()
message(STATUS "${_old}if(VAR_${_var}) is false")
endif()
if(NOT VAR_${_var})
message(STATUS "${_old}if(NOT VAR_${_var}) is true")
else()
message(FATAL_ERROR "${_old}if(NOT VAR_${_var}) is false!")
endif()
endforeach()
# Variables set to true.
foreach(_var 1 2 ${TRUE_NAMES} PATH)
if(VAR_${_var})
message(STATUS "${_old}if(VAR_${_var}) is true")
else()
message(FATAL_ERROR "${_old}if(VAR_${_var}) is false!")
endif()
if(NOT VAR_${_var})
message(FATAL_ERROR "${_old}if(NOT VAR_${_var}) is true!")
else()
message(STATUS "${_old}if(NOT VAR_${_var}) is false")
endif()
endforeach()
endmacro()
#-----------------------------------------------------------------------------
# Test the OLD behavior of CMP0012.
cmake_policy(SET CMP0012 OLD)
# False constants not recognized (still false).
foreach(_false "" ${FALSE_NAMES})
if("${_false}")
message(FATAL_ERROR "OLD if(${_false}) is true!")
else()
message(STATUS "OLD if(${_false}) is false")
endif()
if(NOT "${_false}")
message(STATUS "OLD if(NOT ${_false}) is true")
else()
message(FATAL_ERROR "OLD if(NOT ${_false}) is false!")
endif()
endforeach()
# True constants not recognized.
foreach(_false ${TRUE_NAMES})
if(${_false})
message(FATAL_ERROR "OLD if(${_false}) is true!")
else()
message(STATUS "OLD if(${_false}) is false")
endif()
if(NOT ${_false})
message(STATUS "OLD if(NOT ${_false}) is true")
else()
message(FATAL_ERROR "OLD if(NOT ${_false}) is false!")
endif()
endforeach()
# Numbers not recognized properly.
foreach(_num 2 -2 2.0 -2.0 2x -2x)
if(${_num})
message(FATAL_ERROR "OLD if(${_num}) is true!")
else()
message(STATUS "OLD if(${_num}) is false")
endif()
if(NOT ${_num})
message(FATAL_ERROR "OLD if(NOT ${_num}) is true!")
else()
message(STATUS "OLD if(NOT ${_num}) is false")
endif()
endforeach()
test_vars("OLD ")
#-----------------------------------------------------------------------------
# Test the NEW behavior of CMP0012.
cmake_policy(SET CMP0012 NEW)
# Test false constants.
foreach(_false "" 0 ${FALSE_NAMES})
if("${_false}")
message(FATAL_ERROR "if(${_false}) is true!")
else()
message(STATUS "if(${_false}) is false")
endif()
if(NOT "${_false}")
message(STATUS "if(NOT ${_false}) is true")
else()
message(FATAL_ERROR "if(NOT ${_false}) is false!")
endif()
endforeach()
# Test true constants.
foreach(_true 1 ${TRUE_NAMES})
if(${_true})
message(STATUS "if(${_true}) is true")
else()
message(FATAL_ERROR "if(${_true}) is false!")
endif()
if(NOT ${_true})
message(FATAL_ERROR "if(NOT ${_true}) is true!")
else()
message(STATUS "if(NOT ${_true}) is false")
endif()
endforeach()
# Numbers recognized properly.
foreach(_num 2 -2 2.0 -2.0)
if(${_num})
message(STATUS "if(${_num}) is true")
else()
message(FATAL_ERROR "if(${_num}) is false!")
endif()
if(NOT ${_num})
message(FATAL_ERROR "if(NOT ${_num}) is true!")
else()
message(STATUS "if(NOT ${_num}) is false")
endif()
endforeach()
# Bad numbers not recognized.
foreach(_bad 2x -2x)
if(${_bad})
message(FATAL_ERROR "if(${_bad}) is true!")
else()
message(STATUS "if(${_bad}) is false")
endif()
if(NOT ${_bad})
message(STATUS "if(NOT ${_bad}) is true")
else()
message(FATAL_ERROR "if(NOT ${_bad}) is false!")
endif()
endforeach()
test_vars("")
set(Invalid-Argument-RESULT 1)
set(Invalid-Argument-STDERR ".*CMake Error at (${CTEST_ESCAPED_CMAKE_CURRENT_SOURCE_DIR}/)?If-Invalid-Argument.cmake:1 \\(if\\):.*Unknown arguments specified.*")
include("@CMAKE_CURRENT_SOURCE_DIR@/CheckCMakeTest.cmake")
check_cmake_test(If
Invalid-Argument
)
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