Remove the need for empty source files to check headers

1 files changed, 44 insertions, 0 deletions

diff --git a/src/sexpr/union_test.cpp b/src/sexpr/union_test.cpp
new file mode 100644
index 0000000..ca60b49
--- /dev/null
+++ b/src/sexpr/union_test.cpp
@@ -0,0 +1,44 @@
+#include "union.hpp"
+//    union_test.cpp - Just include the header file and try to instantiate.
+//
+//    Copyright © 2012 Ben Longbons <b.r.longbons@gmail.com>
+//
+//    This file is part of The Mana World (Athena server)
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    This program 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 for more details.
+//
+//    You should have received a copy of the GNU General Public License
+//    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "../poison.hpp"
+
+
+namespace tmwa
+{
+namespace sexpr
+{
+namespace
+{
+    struct Foo
+    {
+        Foo();
+        Foo(const Foo&);
+        Foo& operator = (const Foo&);
+        ~Foo();
+    };
+} // anonymous namespace
+static Union<int, Foo> u;
+
+static_assert(u.index<int>() == 0, "int");
+static_assert(u.index<Foo>() == 1, "Foo");
+static_assert(u.index<char>() == size_t(-1), "char");
+} // namespace sexpr
+} // namespace tmwa