circuitpython/tests/misc/non_compliant.py
Scott Shawcroft b057fb8a4b
codeformat
2021-04-19 22:22:44 -07:00

162 lines
3.3 KiB
Python

# tests for things that are not implemented, or have non-compliant behaviour
try:
import array
import ustruct
except ImportError:
print("SKIP")
raise SystemExit
# when super can't find self
try:
exec("def f(): super()")
except SyntaxError:
print("SyntaxError")
# store to exception attribute is not allowed
try:
ValueError().x = 0
except AttributeError:
print("AttributeError")
# array deletion not implemented
try:
a = array.array("b", (1, 2, 3))
del a[1]
except TypeError:
print("TypeError")
# slice with step!=1 not implemented
try:
a = array.array("b", (1, 2, 3))
print(a[3:2:2])
except NotImplementedError:
print("NotImplementedError")
# containment, looking for integer not implemented
try:
print(1 in array.array("B", b"12"))
except NotImplementedError:
print("NotImplementedError")
# uPy raises TypeError, shold be ValueError
try:
"%c" % b"\x01\x02"
except (TypeError, ValueError):
print("TypeError, ValueError")
# attributes/subscr not implemented
try:
print("{a[0]}".format(a=[1, 2]))
except NotImplementedError:
print("NotImplementedError")
# str(...) with keywords not implemented
try:
str(b"abc", encoding="utf8")
except NotImplementedError:
print("NotImplementedError")
# str.rsplit(None, n) not implemented
try:
"a a a".rsplit(None, 1)
except NotImplementedError:
print("NotImplementedError")
# str.endswith(s, start) not implemented
try:
"abc".endswith("c", 1)
except NotImplementedError:
print("NotImplementedError")
# str subscr with step!=1 not implemented
try:
print("abc"[1:2:3])
except NotImplementedError:
print("NotImplementedError")
# bytes(...) with keywords not implemented
try:
bytes("abc", encoding="utf8")
except NotImplementedError:
print("NotImplementedError")
# bytes subscr with step!=1 not implemented
try:
b"123"[0:3:2]
except NotImplementedError:
print("NotImplementedError")
# tuple load with step!=1 not implemented
try:
()[2:3:4]
except NotImplementedError:
print("NotImplementedError")
# list store with step!=1 not implemented
try:
[][2:3:4] = []
except NotImplementedError:
print("NotImplementedError")
# list delete with step!=1 not implemented
try:
del [][2:3:4]
except NotImplementedError:
print("NotImplementedError")
# struct pack with too many args, not checked by uPy
print(ustruct.pack("bb", 1, 2, 3))
# struct pack with too few args, not checked by uPy
print(ustruct.pack("bb", 1))
# array slice assignment with unsupported RHS
try:
bytearray(4)[0:1] = [1, 2]
except NotImplementedError:
print("NotImplementedError")
# can't assign attributes to a function
def f():
pass
try:
f.x = 1
except AttributeError:
print("AttributeError")
# can't call a function type (ie make new instances of a function)
try:
type(f)()
except TypeError:
print("TypeError")
# test when object explicitly listed at not-last position in parent tuple
# this is not compliant with CPython because of illegal MRO
class A:
def foo(self):
print("A.foo")
class B(object, A):
pass
B().foo()
# can't assign property (or other special accessors) to already-subclassed class
class A:
pass
class B(A):
pass
try:
A.bar = property()
except AttributeError:
print("AttributeError")