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-rw-r--r--Tests/CMakeTests/IfTest.cmake.in166
1 files changed, 166 insertions, 0 deletions
diff --git a/Tests/CMakeTests/IfTest.cmake.in b/Tests/CMakeTests/IfTest.cmake.in
new file mode 100644
index 000000000..639e22672
--- /dev/null
+++ b/Tests/CMakeTests/IfTest.cmake.in
@@ -0,0 +1,166 @@
+# 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()
+
+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 (@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
+)