diff --git a/tests/util/test_treecache.py b/tests/util/test_treecache.py
index 9946ceb3f1..1efbeb6b33 100644
--- a/tests/util/test_treecache.py
+++ b/tests/util/test_treecache.py
@@ -25,6 +25,7 @@ class TreeCacheTestCase(unittest.TestCase):
cache[("b",)] = "B"
self.assertEquals(cache.get(("a",)), "A")
self.assertEquals(cache.get(("b",)), "B")
+ self.assertEquals(len(cache), 2)
def test_pop_onelevel(self):
cache = TreeCache()
@@ -33,6 +34,7 @@ class TreeCacheTestCase(unittest.TestCase):
self.assertEquals(cache.pop(("a",)), "A")
self.assertEquals(cache.pop(("a",)), None)
self.assertEquals(cache.get(("b",)), "B")
+ self.assertEquals(len(cache), 1)
def test_get_set_twolevel(self):
cache = TreeCache()
@@ -42,6 +44,7 @@ class TreeCacheTestCase(unittest.TestCase):
self.assertEquals(cache.get(("a", "a")), "AA")
self.assertEquals(cache.get(("a", "b")), "AB")
self.assertEquals(cache.get(("b", "a")), "BA")
+ self.assertEquals(len(cache), 3)
def test_pop_twolevel(self):
cache = TreeCache()
@@ -53,6 +56,7 @@ class TreeCacheTestCase(unittest.TestCase):
self.assertEquals(cache.get(("a", "b")), "AB")
self.assertEquals(cache.pop(("b", "a")), "BA")
self.assertEquals(cache.pop(("b", "a")), None)
+ self.assertEquals(len(cache), 1)
def test_pop_mixedlevel(self):
cache = TreeCache()
@@ -64,3 +68,11 @@ class TreeCacheTestCase(unittest.TestCase):
self.assertEquals(cache.get(("a", "a")), None)
self.assertEquals(cache.get(("a", "b")), None)
self.assertEquals(cache.get(("b", "a")), "BA")
+ self.assertEquals(len(cache), 1)
+
+ def test_clear(self):
+ cache = TreeCache()
+ cache[("a",)] = "A"
+ cache[("b",)] = "B"
+ cache.clear()
+ self.assertEquals(len(cache), 0)
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