1 files changed, 16 insertions, 0 deletions
diff --git a/klm/util/sized_iterator_test.cc b/klm/util/sized_iterator_test.cc
new file mode 100644
index 00000000..c36bcb2d
--- /dev/null
+++ b/klm/util/sized_iterator_test.cc
@@ -0,0 +1,16 @@
+#include "util/sized_iterator.hh"
+
+#define BOOST_TEST_MODULE SizedIteratorTest
+#include <boost/test/unit_test.hpp>
+
+namespace util { namespace {
+
+BOOST_AUTO_TEST_CASE(swap_works) {
+  char str[2] = { 0, 1 };
+  SizedProxy first(str, 1), second(str + 1, 1);
+  swap(first, second);
+  BOOST_CHECK_EQUAL(1, str[0]);
+  BOOST_CHECK_EQUAL(0, str[1]);
+}
+
+}} // namespace anonymous util