bpo-37685: Fixed __eq__, __lt__ etc implementations in some classes. (GH-14952)

They now return NotImplemented for unsupported type of the other operand.

1 files changed, 23 insertions, 0 deletions

diff --git a/Lib/test/test_asyncio/test_events.py b/Lib/test/test_asyncio/test_events.py
index e5ad72f..5bc1bc2 100644
--- a/Lib/test/test_asyncio/test_events.py
+++ b/Lib/test/test_asyncio/test_events.py
@@ -32,6 +32,7 @@ from asyncio import proactor_events
 from asyncio import selector_events
 from test.test_asyncio import utils as test_utils
 from test import support
+from test.support import ALWAYS_EQ, LARGEST, SMALLEST
 
 
 def tearDownModule():
@@ -2364,6 +2365,28 @@ class TimerTests(unittest.TestCase):
         self.assertIs(NotImplemented, h1.__eq__(h3))
         self.assertIs(NotImplemented, h1.__ne__(h3))
 
+        with self.assertRaises(TypeError):
+            h1 < ()
+        with self.assertRaises(TypeError):
+            h1 > ()
+        with self.assertRaises(TypeError):
+            h1 <= ()
+        with self.assertRaises(TypeError):
+            h1 >= ()
+        self.assertFalse(h1 == ())
+        self.assertTrue(h1 != ())
+
+        self.assertTrue(h1 == ALWAYS_EQ)
+        self.assertFalse(h1 != ALWAYS_EQ)
+        self.assertTrue(h1 < LARGEST)
+        self.assertFalse(h1 > LARGEST)
+        self.assertTrue(h1 <= LARGEST)
+        self.assertFalse(h1 >= LARGEST)
+        self.assertFalse(h1 < SMALLEST)
+        self.assertTrue(h1 > SMALLEST)
+        self.assertFalse(h1 <= SMALLEST)
+        self.assertTrue(h1 >= SMALLEST)
+
 
 class AbstractEventLoopTests(unittest.TestCase):