Add test to verify that nested functions with free variables don't

cause the free variables to leak.

2 files changed, 24 insertions, 0 deletions

diff --git a/Lib/test/output/test_scope b/Lib/test/output/test_scope
index 5d41e8c..b00f9f5 100644
--- a/Lib/test/output/test_scope
+++ b/Lib/test/output/test_scope
@@ -14,3 +14,4 @@ test_scope
 13. UnboundLocal
 14. complex definitions
 15. scope of global statements
+16. check leaks
diff --git a/Lib/test/test_scope.py b/Lib/test/test_scope.py
index 0633b14..4bd8ed7 100644
--- a/Lib/test/test_scope.py
+++ b/Lib/test/test_scope.py
@@ -383,3 +383,26 @@ def f():
     return g()
 verify(f() == 2)
 verify(x == 2)
+
+print "16. check leaks"
+
+class Foo:
+    count = 0
+    
+    def __init__(self):
+        Foo.count += 1
+
+    def __del__(self):
+        Foo.count -= 1
+
+def f1():
+    x = Foo()
+    def f2():
+        return x
+    f2()
+    
+for i in range(100):
+    f1()
+
+verify(Foo.count == 0)
+