add error policy to check return

git-svn-id: svn://svn.code.sf.net/p/loki-lib/code/trunk@908 7ec92016-0320-0410-acc4-a06ded1c099a

test/CheckReturn/main.cpp

@@ -26,6 +26,8 @@ typedef ::Loki::CheckReturn< bool > BoolReturn;
 
 typedef ::Loki::CheckReturn< string > StringReturn;
 
+typedef ::Loki::CheckReturn< bool , ::Loki::FprintfStderr > BoolReturnStderr;
+
 
 // ----------------------------------------------------------------------------
 
@@ -41,6 +43,14 @@ BoolReturn CheckRequired( void )
     return BoolReturn( true );
 }
 
+// ----------------------------------------------------------------------------
+
+BoolReturnStderr CheckRequiredStderr( void )
+{
+    return BoolReturnStderr( true );
+}
+
+
 // ----------------------------------------------------------------------------
 
 BoolReturn CheckRequired( bool value )
@@ -143,6 +153,11 @@ int main( unsigned int argc, const char * argv[] )
         cout << "Made a nested call to CheckRequired." << endl;
     }
 
+	{
+		BoolReturnStderr check = CheckRequiredStderr();
+	}
+	cout << "There should be a error message: \nCheckReturn: return value was not checked" << endl;
+
     // This should assert since caller does not check return value.
     CheckRequired();
     cout << "Should assert before this line!  How did we get here?" << endl;