Test the exception-raising for error cases in copy_reg.
diff --git a/Lib/test/test_copy_reg.py b/Lib/test/test_copy_reg.py
new file mode 100644
index 0000000..0324d92
--- /dev/null
+++ b/Lib/test/test_copy_reg.py
@@ -0,0 +1,35 @@
+import copy_reg
+
+class C:
+ pass
+
+
+try:
+ copy_reg.pickle(C, None, None)
+except TypeError, e:
+ print "Caught expected TypeError:"
+ print e
+else:
+ print "Failed to catch expected TypeError when registering a class type."
+
+
+print
+try:
+ copy_reg.pickle(type(1), "not a callable")
+except TypeError, e:
+ print "Caught expected TypeError:"
+ print e
+else:
+ print "Failed to catch TypeError " \
+ "when registering a non-callable reduction function."
+
+
+print
+try:
+ copy_reg.pickle(type(1), int, "not a callable")
+except TypeError, e:
+ print "Caught expected TypeError:"
+ print e
+else:
+ print "Failed to catch TypeError " \
+ "when registering a non-callable constructor."