added dummy test for windows build

Author: uzairnawaz

libc/test/src/__support/wchar/CMakeLists.txt

@@ -21,18 +21,16 @@ add_libc_test(
 )
 
 
-if(NOT(LIBC_TARGET_OS_IS_WINDOWS))
-  add_libc_test(
+add_libc_test(
+  string_converter_test.cpp
+  SUITE
+    libc-support-tests
+  SRCS
     string_converter_test.cpp
-    SUITE
-      libc-support-tests
-    SRCS
-      string_converter_test.cpp
-    DEPENDS
-      libc.src.__support.wchar.string_converter
-      libc.src.__support.wchar.mbstate
-      libc.src.__support.error_or
-      libc.hdr.errno_macros
-      libc.hdr.types.char32_t
-  )
-endif()
+  DEPENDS
+    libc.src.__support.wchar.string_converter
+    libc.src.__support.wchar.mbstate
+    libc.src.__support.error_or
+    libc.hdr.errno_macros
+    libc.hdr.types.char32_t
+)

libc/test/src/__support/wchar/string_converter_test.cpp

@@ -6,19 +6,24 @@
 //
 //===----------------------------------------------------------------------===//
 
-// TODO: add support for 16-bit widechars to StringConverter to remove this
-// macro
-#include "src/__support/macros/properties/os.h"
-#ifndef LIBC_TARGET_OS_IS_WINDOWS
-
 #include "hdr/errno_macros.h"
 #include "hdr/types/char32_t.h"
 #include "hdr/types/char8_t.h"
 #include "src/__support/error_or.h"
+#include "src/__support/macros/properties/os.h"
 #include "src/__support/wchar/mbstate.h"
 #include "src/__support/wchar/string_converter.h"
 #include "test/UnitTest/Test.h"
 
+// TODO: add support for 16-bit widechars to StringConverter to remove this
+// macro
+#ifdef LIBC_TARGET_OS_IS_WINDOWS
+TEST(LlvmLibcStringConverterTest, Windows) {
+  // pass on windows for now
+}
+#endif
+
+#ifndef LIBC_TARGET_OS_IS_WINDOWS
 TEST(LlvmLibcStringConverterTest, UTF8To32) {
   // first 4 bytes are clown emoji (🤡)
   // next 3 bytes are sigma symbol (∑)