From 825f8470f54eeff86cb05eb96ce188123e2ba312 Mon Sep 17 00:00:00 2001
From: Mads Jensen <mje@inducks.org>
Date: Mon, 10 Feb 2020 19:41:38 +0100
Subject: [PATCH] Increased test coverage for
 django.utils.datastructures.OrderedSet.

Co-authored-by: Nick Pope <nick.pope@flightdataservices.com>
---
 tests/utils_tests/test_datastructures.py | 26 ++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/tests/utils_tests/test_datastructures.py b/tests/utils_tests/test_datastructures.py
index 3e6f903be2..b98cbd6220 100644
--- a/tests/utils_tests/test_datastructures.py
+++ b/tests/utils_tests/test_datastructures.py
@@ -13,6 +13,32 @@ from django.utils.datastructures import (
 
 class OrderedSetTests(SimpleTestCase):
 
+    def test_init_with_iterable(self):
+        s = OrderedSet([1, 2, 3])
+        self.assertEqual(list(s.dict.keys()), [1, 2, 3])
+
+    def test_remove(self):
+        s = OrderedSet()
+        self.assertEqual(len(s), 0)
+        s.add(1)
+        s.add(2)
+        s.remove(2)
+        self.assertEqual(len(s), 1)
+        self.assertNotIn(2, s)
+
+    def test_discard(self):
+        s = OrderedSet()
+        self.assertEqual(len(s), 0)
+        s.add(1)
+        s.discard(2)
+        self.assertEqual(len(s), 1)
+
+    def test_contains(self):
+        s = OrderedSet()
+        self.assertEqual(len(s), 0)
+        s.add(1)
+        self.assertIn(1, s)
+
     def test_bool(self):
         # Refs #23664
         s = OrderedSet()