Create CMake.ConfigureFile test for configure_file

This test checks that configure_file() handles input and output file
arguments as documented.

Tests/CMakeTests/CMakeLists.txt

@@ -18,6 +18,7 @@ AddCMakeTest(GetFilenameComponentRealpath "")
 AddCMakeTest(Version "")
 AddCMakeTest(Message "")
 AddCMakeTest(File "")
+AddCMakeTest(ConfigureFile "")
 AddCMakeTest(SeparateArguments "")
 AddCMakeTest(ImplicitLinkInfo "")
 

Tests/CMakeTests/ConfigureFile-BadArg.cmake

@@ -0,0 +1 @@
+configure_file(.)

Tests/CMakeTests/ConfigureFile-DirInput.cmake

@@ -0,0 +1 @@
+configure_file(. .)

Tests/CMakeTests/ConfigureFile-DirOutput.cmake

@@ -0,0 +1,5 @@
+file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/ConfigureFile-DirOutput.txt "DirOutput test file\n")
+file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/ConfigureFile-DirOutput)
+configure_file(ConfigureFile-DirOutput.txt ConfigureFile-DirOutput)
+file(READ ${CMAKE_CURRENT_BINARY_DIR}/ConfigureFile-DirOutput/ConfigureFile-DirOutput.txt out)
+message("${out}")

Tests/CMakeTests/ConfigureFile-Relative.cmake

@@ -0,0 +1,4 @@
+file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/ConfigureFile-Relative-In.txt "Relative test file\n")
+configure_file(ConfigureFile-Relative-In.txt ConfigureFile-Relative-Out.txt)
+file(READ ${CMAKE_CURRENT_BINARY_DIR}/ConfigureFile-Relative-Out.txt out)
+message("${out}")

Tests/CMakeTests/ConfigureFileTest.cmake.in

@@ -0,0 +1,16 @@
+set(DirInput-RESULT 1)
+set(DirInput-STDERR "is a directory")
+set(DirOutput-RESULT 0)
+set(DirOutput-STDERR "DirOutput test file")
+set(Relative-RESULT 0)
+set(Relative-STDERR "Relative test file")
+set(BadArg-RESULT 1)
+set(BadArg-STDERR "called with incorrect number of arguments")
+
+include("@CMAKE_CURRENT_SOURCE_DIR@/CheckCMakeTest.cmake")
+check_cmake_test(ConfigureFile
+  DirInput
+  DirOutput
+  Relative
+  BadArg
+  )