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# test that fixed dictionaries cannot be modified
try:
import errno
except ImportError:
print("SKIP")
raise SystemExit
# Save a copy of errno.errorcode, so we can check later
# that it hasn't been modified.
errorcode_copy = errno.errorcode.copy()
try:
errno.errorcode.popitem()
except TypeError:
print("TypeError")
try:
errno.errorcode.pop(0)
except TypeError:
print("TypeError")
try:
errno.errorcode.setdefault(0, 0)
except TypeError:
print("TypeError")
try:
errno.errorcode.update([(1, 2)])
except TypeError:
print("TypeError")
try:
del errno.errorcode[1]
except TypeError:
print("TypeError")
try:
errno.errorcode[1] = 'foo'
except TypeError:
print("TypeError")
try:
errno.errorcode.clear()
except TypeError:
print("TypeError")
assert errno.errorcode == errorcode_copy
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