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1 files changed, 82 insertions, 0 deletions

diff --git a/src/python/stdlib/test/test_atexit.py b/src/python/stdlib/test/test_atexit.py
new file mode 100644
index 0000000..bf85b75
--- /dev/null
+++ b/src/python/stdlib/test/test_atexit.py
@@ -0,0 +1,82 @@
+import sys
+import unittest
+import StringIO
+import atexit
+from imp import reload
+from test import test_support
+
+class TestCase(unittest.TestCase):
+    def setUp(self):
+        s = StringIO.StringIO()
+        self.save_stdout = sys.stdout
+        self.save_stderr = sys.stderr
+        sys.stdout = sys.stderr = self.subst_io = s
+        self.save_handlers = atexit._exithandlers
+        atexit._exithandlers = []
+
+    def tearDown(self):
+        sys.stdout = self.save_stdout
+        sys.stderr = self.save_stderr
+        atexit._exithandlers = self.save_handlers
+
+    def test_args(self):
+        atexit.register(self.h1)
+        atexit.register(self.h4)
+        atexit.register(self.h4, 4, kw="abc")
+        atexit._run_exitfuncs()
+        self.assertEqual(self.subst_io.getvalue(),
+                         "h4 (4,) {'kw': 'abc'}\nh4 () {}\nh1\n")
+
+    def test_badargs(self):
+        atexit.register(lambda: 1, 0, 0, (x for x in (1,2)), 0, 0)
+        self.assertRaises(TypeError, atexit._run_exitfuncs)
+
+    def test_order(self):
+        atexit.register(self.h1)
+        atexit.register(self.h2)
+        atexit.register(self.h3)
+        atexit._run_exitfuncs()
+        self.assertEqual(self.subst_io.getvalue(), "h3\nh2\nh1\n")
+
+    def test_sys_override(self):
+        # be sure a preset sys.exitfunc is handled properly
+        exfunc = sys.exitfunc
+        sys.exitfunc = self.h1
+        reload(atexit)
+        try:
+            atexit.register(self.h2)
+            atexit._run_exitfuncs()
+        finally:
+            sys.exitfunc = exfunc
+        self.assertEqual(self.subst_io.getvalue(), "h2\nh1\n")
+
+    def test_raise(self):
+        atexit.register(self.raise1)
+        atexit.register(self.raise2)
+        self.assertRaises(TypeError, atexit._run_exitfuncs)
+
+    ### helpers
+    def h1(self):
+        print "h1"
+
+    def h2(self):
+        print "h2"
+
+    def h3(self):
+        print "h3"
+
+    def h4(self, *args, **kwargs):
+        print "h4", args, kwargs
+
+    def raise1(self):
+        raise TypeError
+
+    def raise2(self):
+        raise SystemError
+
+def test_main():
+    test_support.run_unittest(TestCase)
+
+
+if __name__ == "__main__":
+    test_main()