1 files changed, 20 insertions, 0 deletions
diff --git a/_test/test_collections.py b/_test/test_collections.py
new file mode 100644
index 0000000..cee1ab3
--- /dev/null
+++ b/_test/test_collections.py
@@ -0,0 +1,20 @@
+# coding: utf-8
+
+"""
+collections.OrderedDict is a new class not supported by PyYAML (issue 83 by Frazer McLean)
+
+This is now so integrated in Python that it can be mapped to !!omap
+
+"""
+
+import pytest  # type: ignore  # NOQA
+
+
+from roundtrip import round_trip, dedent, round_trip_load, round_trip_dump  # type: ignore # NOQA
+
+
+class TestOrderedDict:
+    def test_ordereddict(self) -> None:
+        from collections import OrderedDict
+
+        assert round_trip_dump(OrderedDict()) == '!!omap []\n'