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from datetime import datetime
import io
import numpy as np
from ase.io.jsonio import encode, decode, read_json, write_json
def test_jsonio():
"""Test serialization of ndarrays and other stuff."""
assert decode(encode(np.int64(42))) == 42
c = np.array([0.1j])
assert (decode(encode(c)) == c).all()
fd = io.StringIO()
obj1 = {'hello': 'world'}
write_json(fd, obj1)
fd.seek(0)
obj2 = read_json(fd)
print(obj1)
print(obj2)
for obj in [0.5 + 1.5j,
datetime.now()]:
s = encode(obj)
o = decode(s)
print(obj)
print(s)
print(obj)
assert obj == o, (obj, o, s)
def test_dict_with_int_key():
assert decode(encode({1: 2}), False)[1] == 2
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