| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849 |
- try:
- a = [1, 2, 3]
- a.index(999)
- exit(1)
- except ValueError:
- pass
- # test some python magics
- class A:
- def __init__(self):
- self.d = {}
- def __getitem__(self, index):
- return self.d[index]
-
- def __setitem__(self, index, value):
- self.d[index] = value
- def __contains__(self, index):
- return index in self.d
-
- def __delitem__(self, index):
- del self.d[index]
- a = A()
- a['1'] = 3
- assert '1' in a
- assert '2' not in a
- assert a['1'] == 3
- del a['1']
- assert '1' not in a
- # slice extras
- class A:
- def __getitem__(self, index):
- return index
- assert slice(1, 2, None) == slice(1, 2, None)
- assert slice(1, 3, None) != slice(1, 2, None)
- assert A()[1] == 1
- assert A()[1:2, 3] == (slice(1, 2, None), 3)
- assert A()[1:2, 3:4] == (slice(1, 2, None), slice(3, 4, None))
- assert A()[1:2, 3:4, 5] == (slice(1, 2, None), slice(3, 4, None), 5)
- assert A()[:, :] == (slice(None, None, None), slice(None, None, None))
- assert A()[::, :] == (slice(None, None, None), slice(None, None, None))
- assert A()[::, :2] == (slice(None, None, None), slice(None, 2, None))
- assert A()['b':'c':1, :] == (slice('b', 'c', 1), slice(None, None, None))
- assert A()[1:2, :A()[3:4, ::-1]] == (slice(1, 2, None), slice(None, (slice(3, 4, None), slice(None, None, -1)), None))
|
