Vs: Add test for VS_WINRT_BY_DEFAULT

Tests/RunCMake/VS10Project/RunCMakeTest.cmake

@@ -1,3 +1,5 @@
+cmake_policy(SET CMP0057 NEW)
+
 include(RunCMake)
 cmake_policy(SET CMP0054 NEW)
 
@@ -29,6 +31,8 @@ run_cmake(VsDpiAwareBadParam)
 run_cmake(VsPrecompileHeaders)
 run_cmake(VsPrecompileHeadersReuseFromCompilePDBName)
 
+run_cmake(VsWinRTByDefault)
+
 set(RunCMake_GENERATOR_TOOLSET "VCTargetsPath=$(VCTargetsPath)")
 run_cmake(VsVCTargetsPath)
 unset(RunCMake_GENERATOR_TOOLSET)

Tests/RunCMake/VS10Project/VsWinRTByDefault-check.cmake

@@ -0,0 +1,66 @@
+macro(checkCompileAsWinRT projectPath)
+  if(RunCMake_TEST_FAILED)
+    return()
+  endif()
+
+  if (NOT EXISTS "${projectPath}")
+    set(RunCMake_TEST_FAILED "Project file ${projectPath} does not exist.")
+    return()
+  endif()
+
+  get_filename_component(projectName "${projectPath}" NAME_WE)
+
+  cmake_parse_arguments("" "" "GLOBAL" "OVERRIDES_ENABLE;OVERRIDES_DISABLE" ${ARGN})
+
+  unset(sourceOverride)
+
+  file(STRINGS "${projectPath}" lines)
+  set(foundGlobalWinRT false)
+
+  foreach(line IN LISTS lines)
+    if(line MATCHES "^ *<CompileAsWinRT( Condition=\"[^\\\"]+\")?>(true|false)</CompileAsWinRT>$")
+      set(value ${CMAKE_MATCH_2})
+
+      if(sourceOverride)
+        set(expectedList)
+
+        if(value)
+          set(expectedList _OVERRIDES_ENABLE)
+        else()
+          set(expectedList _OVERRIDES_DISABLE)
+        endif()
+
+        if(NOT sourceOverride IN_LIST ${expectedList})
+          set(RunCMake_TEST_FAILED
+            "${projectName}: Unexpected CompileAsWinRT override ${value} for ${sourceOverride}")
+          return()
+        endif()
+      else()
+        if (NOT _GLOBAL STREQUAL value)
+          set(RunCMake_TEST_FAILED
+            "${projectName}: Global CompileAsWinRT value is ${value}, but expected ${_GLOBAL}")
+          return()
+        endif()
+
+        set(foundGlobalWinRT true)
+      endif()
+    elseif(line MATCHES "^ *<ClCompile Include=\"([^\"]+)\">$")
+      get_filename_component(sourceOverride "${CMAKE_MATCH_1}" NAME)
+    elseif(line MATCHES "^ *</ClCompile>$")
+      unset(sourceOverride)
+    endif()
+  endforeach()
+
+  if(NOT foundGlobalWinRT AND DEFINED _GLOBAL)
+    set(RunCMake_TEST_FAILED "${projectName}: Global CompileAsWinRT not found or have invalid value, but expected")
+    return()
+  endif()
+endmacro()
+
+checkCompileAsWinRT("${RunCMake_TEST_BINARY_DIR}/noFlagOnlyC.vcxproj" GLOBAL true OVERRIDES_DISABLE empty.c)
+checkCompileAsWinRT("${RunCMake_TEST_BINARY_DIR}/noFlagMixedCAndCxx.vcxproj" GLOBAL true OVERRIDES_DISABLE empty.c)
+checkCompileAsWinRT("${RunCMake_TEST_BINARY_DIR}/noFlagOnlyCxx.vcxproj" GLOBAL true)
+
+checkCompileAsWinRT("${RunCMake_TEST_BINARY_DIR}/flagOnlyC.vcxproj" GLOBAL true OVERRIDES_DISABLE empty.c)
+checkCompileAsWinRT("${RunCMake_TEST_BINARY_DIR}/flagMixedCAndCxx.vcxproj" GLOBAL true OVERRIDES_DISABLE empty.c)
+checkCompileAsWinRT("${RunCMake_TEST_BINARY_DIR}/flagOnlyCxx.vcxproj" GLOBAL true)

Tests/RunCMake/VS10Project/VsWinRTByDefault.cmake

@@ -0,0 +1,16 @@
+set(CMAKE_VS_WINRT_BY_DEFAULT true)
+
+enable_language(C)
+enable_language(CXX)
+
+add_library(noFlagOnlyC empty.c)
+add_library(noFlagMixedCAndCXX empty.c foo.cpp)
+add_library(noFlagOnlyCXX foo.cpp)
+
+add_library(flagOnlyC empty.c)
+add_library(flagMixedCAndCXX empty.c foo.cpp)
+add_library(flagOnlyCXX foo.cpp)
+
+target_compile_options(flagOnlyC PRIVATE /ZW)
+target_compile_options(flagMixedCAndCXX PRIVATE /ZW)
+target_compile_options(flagOnlyCXX PRIVATE /ZW)