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-rw-r--r--Lib/test/test_sys_settrace.py10
1 files changed, 10 insertions, 0 deletions
diff --git a/Lib/test/test_sys_settrace.py b/Lib/test/test_sys_settrace.py
index 43134e98bd..acb8e29f19 100644
--- a/Lib/test/test_sys_settrace.py
+++ b/Lib/test/test_sys_settrace.py
@@ -251,6 +251,7 @@ class TraceTestCase(unittest.TestCase):
def setUp(self):
self.using_gc = gc.isenabled()
gc.disable()
+ self.addCleanup(sys.settrace, sys.gettrace())
def tearDown(self):
if self.using_gc:
@@ -389,6 +390,9 @@ class TraceTestCase(unittest.TestCase):
class RaisingTraceFuncTestCase(unittest.TestCase):
+ def setUp(self):
+ self.addCleanup(sys.settrace, sys.gettrace())
+
def trace(self, frame, event, arg):
"""A trace function that raises an exception in response to a
specific trace event."""
@@ -688,6 +692,10 @@ def no_jump_without_trace_function():
class JumpTestCase(unittest.TestCase):
+ def setUp(self):
+ self.addCleanup(sys.settrace, sys.gettrace())
+ sys.settrace(None)
+
def compare_jump_output(self, expected, received):
if received != expected:
self.fail( "Outputs don't match:\n" +
@@ -739,6 +747,8 @@ class JumpTestCase(unittest.TestCase):
def test_18_no_jump_to_non_integers(self):
self.run_test(no_jump_to_non_integers)
def test_19_no_jump_without_trace_function(self):
+ # Must set sys.settrace(None) in setUp(), else condition is not
+ # triggered.
no_jump_without_trace_function()
def test_20_large_function(self):