def test_simple():
d = dict()
f = Func(inc, dec, d)
f['x'] = 10
assert f['x'] == 10
assert d['x'] == 11
assert 'x' in f
assert list(f) == ['x']
assert list(f.values()) == [10]
assert list(f.items()) == [('x', 10)]
assert all(s in str(f) for s in ['inc', 'dec', 'x', 'Func'])
assert all(s in repr(f) for s in ['inc', 'dec', 'x', 'Func'])
del f['x']
assert 'x' not in d
def test_simple():
d = dict()
f = Func(inc, dec, d)
f['x'] = 10
assert f['x'] == 10
assert d['x'] == 11
assert 'x' in f
assert list(f) == ['x']
assert list(f.values()) == [10]
assert list(f.items()) == [('x', 10)]
assert all(s in str(f) for s in ['inc', 'dec', 'x', 'Func'])
assert all(s in repr(f) for s in ['inc', 'dec', 'x', 'Func'])
del f['x']
assert 'x' not in d
def test_simple():
d = dict()
f = Func(inc, dec, d)
f["x"] = 10
assert f["x"] == 10
assert d["x"] == 11
assert "x" in f
assert list(f) == ["x"]
assert list(f.values()) == [10]
assert list(f.items()) == [("x", 10)]
assert all(s in str(f) for s in ["inc", "dec", "x", "Func"])
assert all(s in repr(f) for s in ["inc", "dec", "x", "Func"])
del f["x"]
assert "x" not in d