circuitpython/tests/basics/dict_fixed.py

49 lines
860 B
Python

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