Change in vdsm[master]: tests: Add basic tests for RWLock

Adam Litke has uploaded a new change for review.

Change subject: tests: Add basic tests for RWLock
......................................................................

tests: Add basic tests for RWLock

Change-Id: I77b9ea1cd6d378738fbf14de119c88bf0ebc94e2
Signed-off-by: Adam Litke 
---
M tests/miscTests.py
1 file changed, 18 insertions(+), 0 deletions(-)

git pull ssh://gerrit.ovirt.org:29418/vdsm refs/changes/72/42772/1

diff --git a/tests/miscTests.py b/tests/miscTests.py
index 976b503..c6d9690 100644
--- a/tests/miscTests.py
+++ b/tests/miscTests.py
@@ -1268,3 +1268,21 @@

def _run(self):
         self.result = self._func()
+
+
+class RWLockTests(TestCaseBase):
+
+    def test_multiple_acquire(self):
+        lock = misc.RWLock()
+        self.assertTrue(lock.acquire(exclusive=True))
+        self.assertTrue(lock.acquire(exclusive=True))
+
+    def test_demote(self):
+        lock = misc.RWLock()
+        self.assertTrue(lock.acquire(exclusive=True))
+        self.assertTrue(lock.acquire(exclusive=False))
+
+    def test_promote(self):
+        lock = misc.RWLock()
+        self.assertTrue(lock.acquire(False))
+        self.assertRaises(RuntimeError, lock.acquire, True)