Tests: Generalize RunCMake.Ninja ShowIncludes test infrastructure

Prepare to add support for more languages.

Tests/RunCMake/Ninja/RunCMakeTest.cmake

@@ -46,8 +46,8 @@ if(WIN32)
   if(RunCMake_MAKE_PROGRAM)
     set(maybe_MAKE_PROGRAM "-DRunCMake_MAKE_PROGRAM=${RunCMake_MAKE_PROGRAM}")
   endif()
-  run_cmake_script(ShowIncludes-54936 -DshowIncludes=${showIncludes} ${maybe_MAKE_PROGRAM})
-  run_cmake_script(ShowIncludes-65001 -DshowIncludes=${showIncludes} ${maybe_MAKE_PROGRAM})
+  run_cmake_script(ShowIncludes-54936-Chinese -DshowIncludes=${showIncludes} ${maybe_MAKE_PROGRAM})
+  run_cmake_script(ShowIncludes-65001-Chinese -DshowIncludes=${showIncludes} ${maybe_MAKE_PROGRAM})
   unset(maybe_MAKE_PROGRAM)
 endif()
 

Tests/RunCMake/Ninja/ShowIncludes-54936-Chinese.cmake

@@ -1,2 +1,3 @@
 set(CODEPAGE 54936)
+set(VSLANG 2052)
 include(${CMAKE_CURRENT_LIST_DIR}/ShowIncludes.cmake)

Tests/RunCMake/Ninja/ShowIncludes-65001-Chinese.cmake

@@ -1,2 +1,3 @@
 set(CODEPAGE 65001)
+set(VSLANG 2052)
 include(${CMAKE_CURRENT_LIST_DIR}/ShowIncludes.cmake)

Tests/RunCMake/Ninja/ShowIncludes-cmake.cmake

@@ -1,6 +1,10 @@
 # Set the console code page.
 execute_process(COMMAND cmd /c chcp "${CODEPAGE}")
 
+if(VSLANG)
+  set(ENV{VSLANG} "${VSLANG}")
+endif()
+
 if(RunCMake_MAKE_PROGRAM)
   set(maybe_MAKE_PROGRAM "-DCMAKE_MAKE_PROGRAM=${RunCMake_MAKE_PROGRAM}")
 endif()

Tests/RunCMake/Ninja/ShowIncludes.cmake

@@ -15,7 +15,7 @@ endif()
 
 # Run cmake in a new Window to isolate its console code page.
 execute_process(COMMAND cmd /c start /min /wait ""
-  ${CMAKE_COMMAND} -DCODEPAGE=${CODEPAGE} ${maybe_MAKE_PROGRAM} -P ${CMAKE_CURRENT_LIST_DIR}/ShowIncludes-cmake.cmake)
+  ${CMAKE_COMMAND} -DCODEPAGE=${CODEPAGE} -DVSLANG=${VSLANG} ${maybe_MAKE_PROGRAM} -P ${CMAKE_CURRENT_LIST_DIR}/ShowIncludes-cmake.cmake)
 
 # Print our internal UTF-8 representation of the showIncludes prefix.
 file(READ "${CMAKE_CURRENT_BINARY_DIR}/showIncludes.txt" showIncludes_txt)

Tests/RunCMake/showIncludes.c

@@ -1,33 +1,47 @@
+#ifndef _CRT_SECURE_NO_WARNINGS
+#  define _CRT_SECURE_NO_WARNINGS
+#endif
+
 #if defined(_MSC_VER) && _MSC_VER >= 1928
 #  pragma warning(disable : 5105) /* macro expansion warning in windows.h */
 #endif
 #include <windows.h>
 
 #include <stdio.h>
+#include <stdlib.h>
 
 int main()
 {
   /* 'cl /showIncludes' encodes output in the console output code page.  */
   unsigned int cp = GetConsoleOutputCP();
+
+  /* 'cl /showIncludes' prints output in the VS language.  */
+  const char* vslang = getenv("VSLANG");
+  if (!vslang) {
+    fprintf(stderr, "VSLANG is not set.\n");
+    return 1;
+  }
+
   printf("Console output code page: %u\n", cp);
   printf("Console input code page: %u\n", GetConsoleCP());
   printf("ANSI code page: %u\n", GetACP());
   printf("OEM code page: %u\n", GetOEMCP());
+  printf("VSLANG: %s\n", vslang);
 
-  if (cp == 54936 || cp == 936) {
-    /* VSLANG=2052 */
-    printf("\xd7\xa2\xd2\xe2: "
-           "\xb0\xfc\xba\xac\xce\xc4\xbc\xfe:  C:\\foo.h\n");
-    return 0;
+  if (strcmp(vslang, "2052") == 0) {
+    if (cp == 54936 || cp == 936) {
+      printf("\xd7\xa2\xd2\xe2: "
+             "\xb0\xfc\xba\xac\xce\xc4\xbc\xfe:  C:\\foo.h\n");
+      return 0;
+    }
+
+    if (cp == 65001) {
+      printf("\xe6\xb3\xa8\xe6\x84\x8f: "
+             "\xe5\x8c\x85\xe5\x90\xab\xe6\x96\x87\xe4\xbb\xb6:  C:\\foo.h\n");
+      return 0;
+    }
   }
 
-  if (cp == 65001) {
-    /* VSLANG=2052  */
-    printf("\xe6\xb3\xa8\xe6\x84\x8f: "
-           "\xe5\x8c\x85\xe5\x90\xab\xe6\x96\x87\xe4\xbb\xb6:  C:\\foo.h\n");
-    return 0;
-  }
-
-  fprintf(stderr, "No example showIncludes for console's output code page.\n");
+  fprintf(stderr, "No example showIncludes for this code page and VSLANG.\n");
   return 1;
 }