From 0ca6d24902ebf51d718604c38ab8836c8ea1c608 Mon Sep 17 00:00:00 2001
From: coolreader18 <33094578+coolreader18@users.noreply.github.com>
Date: Sat, 6 Jul 2019 17:49:03 -0500
Subject: [PATCH] Add deque tests

---
 tests/snippets/test_collections.py | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 tests/snippets/test_collections.py

diff --git a/tests/snippets/test_collections.py b/tests/snippets/test_collections.py
new file mode 100644
index 000000000..4dd771a0c
--- /dev/null
+++ b/tests/snippets/test_collections.py
@@ -0,0 +1,29 @@
+from collections import deque
+
+
+d = deque([0, 1, 2])
+
+d.append(1)
+d.appendleft(3)
+
+assert d == deque([3, 0, 1, 2, 1])
+
+assert d <= deque([4])
+
+assert d.copy() is not d
+
+d = deque([1, 2, 3], 5)
+
+d.extend([4, 5, 6])
+
+assert d == deque([2, 3, 4, 5, 6])
+
+d.remove(4)
+
+assert d == deque([2, 3, 5, 6])
+
+d.clear()
+
+assert d == deque()
+
+assert d == deque([], 4)