Add ScopeGuard.

1 files changed, 36 insertions, 0 deletions

diff --git a/test/scope_guard_test.cc b/test/scope_guard_test.cc
new file mode 100644
index 000000000..f984f50db
--- /dev/null
+++ b/test/scope_guard_test.cc
@@ -0,0 +1,36 @@
+/*
+    Copyright (C) 2022 Carl Hetherington <cth@carlh.net>
+
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic 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 2 of the License, or
+    (at your option) any later version.
+
+    DCP-o-matic 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 DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+
+#include "lib/scope_guard.h"
+#include <boost/test/unit_test.hpp>
+
+
+BOOST_AUTO_TEST_CASE (scope_guard_test)
+{
+	int x = 0;
+
+	{
+		ScopeGuard sg = [&x]() { x = 42; };
+		BOOST_CHECK_EQUAL (x, 0);
+	}
+
+	BOOST_CHECK_EQUAL (x, 42);
+}