circuitpython/tests/extmod/json_load_readinto.py

25 lines
598 B
Python

import json
# Test that json can load from any object with readinto
class Buffer:
def __init__(self, data):
self._data = data
self._i = 0
def readinto(self, buf):
end = self._i + len(buf)
remaining = len(self._data) - self._i
end = min(end, len(self._data))
l = min(len(buf), remaining)
buf[:l] = self._data[self._i : end]
self._i += l
return l
print(json.load(Buffer(b"null")))
print(json.load(Buffer(b'"abc\\u0064e"')))
print(json.load(Buffer(b"[false, true, 1, -2]")))
print(json.load(Buffer(b'{"a":true}')))