check_bool<T> now returns T (#1205)

Author: jaigak

strings/base_error.h

@@ -619,12 +619,14 @@ WINRT_EXPORT namespace winrt
     }
 
     template<typename T>
-    void check_bool(T result WINRT_IMPL_SOURCE_LOCATION_ARGS)
+    T check_bool(T result WINRT_IMPL_SOURCE_LOCATION_ARGS)
     {
         if (!result)
         {
             winrt::throw_last_error(WINRT_IMPL_SOURCE_LOCATION_FORWARD_SINGLE_PARAM);
         }
+        
+        return result;
     }
 
     template<typename T>

test/old_tests/UnitTests/Errors.cpp

@@ -200,6 +200,8 @@ TEST_CASE("Errors")
     SetLastError(ERROR_CANCELLED);
     REQUIRE_THROWS_AS(check_bool(static_cast<BOOL>(false)), hresult_canceled);
 
+    REQUIRE(check_bool(true) == true);
+
     // Support for Win32 errors.
     check_win32(ERROR_SUCCESS);
     REQUIRE_THROWS_AS(check_win32(ERROR_CANCELLED), hresult_canceled);