hotspot/test/native/metaprogramming/test_conditional.cpp
changeset 46649 439ffb1e05ec
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/native/metaprogramming/test_conditional.cpp	Tue Jul 11 12:00:48 2017 +0200
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "memory/allocation.hpp"
+#include "metaprogramming/conditional.hpp"
+#include "metaprogramming/isSame.hpp"
+#include "utilities/debug.hpp"
+
+class ConditionalTest {
+  class A: AllStatic {};
+  class B: AllStatic {};
+
+  typedef Conditional<true, A, B>::type A_B_if_true;
+  static const bool A_B_if_true_is_A = IsSame<A_B_if_true, A>::value;
+  static const bool A_B_if_true_is_B = IsSame<A_B_if_true, B>::value;
+  STATIC_ASSERT(A_B_if_true_is_A);
+  STATIC_ASSERT(!A_B_if_true_is_B);
+
+  typedef Conditional<false, A, B>::type A_B_if_false;
+  static const bool A_B_if_false_is_A = IsSame<A_B_if_false, A>::value;
+  static const bool A_B_if_false_is_B = IsSame<A_B_if_false, B>::value;
+  STATIC_ASSERT(!A_B_if_false_is_A);
+  STATIC_ASSERT(A_B_if_false_is_B);
+};