Add serialize test for for_update

include/sqlpp11/core/clause/for_update.h

@@ -94,7 +94,7 @@ namespace sqlpp
   template <typename Context>
   auto to_sql_string(Context& , const for_update_data_t&) -> std::string
   {
-    return  " FOR UPDATE ";
+    return  " FOR UPDATE";
   }
 
   inline auto for_update() -> decltype(statement_t<no_for_update_t>().for_update())

tests/core/serialize/clause/CMakeLists.txt

@@ -30,6 +30,7 @@ function(create_test name)
 endfunction()
 
 create_test(group_by)
+create_test(for_update)
 create_test(from)
 create_test(having)
 create_test(insert)

tests/core/serialize/clause/for_update.cpp

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2024, Roland Bock
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "Sample.h"
+#include "../compare.h"
+#include <sqlpp11/sqlpp11.h>
+
+int main(int, char* [])
+{
+  // No parameters.
+  SQLPP_COMPARE(sqlpp::for_update(), " FOR UPDATE");
+
+  return 0;
+}