circuitpython/tests/unix/subclass_native.py

53 lines
1010 B
Python

try:
NativeBaseClass
except NameError:
print("SKIP")
raise SystemExit
# This tests two things that CircuitPython uses:
# 1. Native class's `make_new` get kwargs.
# 2. Native class's properties get used instead of creating a new attribute on
# the subclass instance.
n = NativeBaseClass(test="direct kwarg")
print(".test:", n.test)
n.test = "test set directly"
print(".test:", n.test)
class A(NativeBaseClass):
pass
a = A(test="subclass kwarg")
print(".test:", a.test)
a.test = "test set indirectly"
print(".test:", a.test)
a.new_attribute = True
print(".new_attribute", a.new_attribute)
a.print_subclass_attr("new_attribute")
print(a[0])
class B(NativeBaseClass):
def __init__(self, suffix):
super().__init__(test="super init " + suffix)
b = B("suffix")
print(".test:", b.test)
b.test = "test set indirectly through b"
print(".test:", b.test)
b.new_attribute = "hello"
print(".new_attribute", b.new_attribute)
b.print_subclass_attr("new_attribute")
print(b[0])