From 171ba35f2693142e826df3d39e970df586d980b2 Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Tue, 4 Sep 2018 11:47:27 +0200
Subject: [PATCH] tests: add some simple smoke tests for Mutex and ReMutex

---
 tests/pipeline/test_mutex.py | 54 ++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 tests/pipeline/test_mutex.py

diff --git a/tests/pipeline/test_mutex.py b/tests/pipeline/test_mutex.py
new file mode 100644
index 0000000000..e930e90e02
--- /dev/null
+++ b/tests/pipeline/test_mutex.py
@@ -0,0 +1,54 @@
+from panda3d.core import Mutex, ReMutex
+
+
+def test_mutex_acquire_release():
+    m = Mutex()
+    m.acquire()
+
+    # Assert that the lock is truly held now
+    assert not m.try_acquire()
+
+    # Release the lock
+    m.release()
+
+    # Make sure the lock is properly released
+    assert m.try_acquire()
+
+    # Clean up
+    m.release()
+
+
+def test_mutex_try_acquire():
+    m = Mutex()
+
+    # Trying to acquire the lock should succeed
+    assert m.try_acquire()
+
+    # Assert that the lock is truly held now
+    assert not m.try_acquire()
+
+    # Clean up
+    m.release()
+
+
+def test_remutex_acquire_release():
+    m = ReMutex()
+    m.acquire()
+    m.acquire()
+    m.release()
+    m.release()
+
+
+def test_remutex_try_acquire():
+    m = ReMutex()
+
+    # Trying to acquire the lock should succeed
+    assert m.try_acquire()
+
+    # Trying a second time should succeed
+    assert m.try_acquire()
+
+    # Clean up
+    m.release()
+    m.release()
+