Accept optional lock object in Condition ctor (tulip issue #198)

1 files changed, 12 insertions, 0 deletions

diff --git a/Lib/test/test_asyncio/test_locks.py b/Lib/test/test_asyncio/test_locks.py
index 8ad148634a..c4e74e3330 100644
--- a/Lib/test/test_asyncio/test_locks.py
+++ b/Lib/test/test_asyncio/test_locks.py
@@ -656,6 +656,18 @@ class ConditionTests(test_utils.TestCase):
 
         self.assertFalse(cond.locked())
 
+    def test_explicit_lock(self):
+        lock = asyncio.Lock(loop=self.loop)
+        cond = asyncio.Condition(lock, loop=self.loop)
+
+        self.assertIs(lock._loop, cond._loop)
+
+    def test_ambiguous_loops(self):
+        loop = self.new_test_loop()
+        lock = asyncio.Lock(loop=self.loop)
+        with self.assertRaises(ValueError):
+            asyncio.Condition(lock, loop=loop)
+
 
 class SemaphoreTests(test_utils.TestCase):