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# -*- coding: utf-8 -*-
# :Project: python-rapidjson -- Tests on floats
# :Author: John Anderson <sontek@gmail.com>
# :License: MIT License
# :Copyright: © 2015 John Anderson
# :Copyright: © 2016, 2017, 2020 Lele Gaifax
#
from decimal import Decimal
import math
import pytest
import rapidjson as rj
def test_infinity_f():
inf = float("inf")
dumped = rj.dumps(inf)
loaded = rj.loads(dumped)
assert loaded == inf
dumped = rj.dumps(inf, allow_nan=True)
loaded = rj.loads(dumped, allow_nan=True)
assert loaded == inf
with pytest.raises(ValueError):
rj.dumps(inf, number_mode=None)
with pytest.raises(ValueError):
rj.dumps(inf, allow_nan=False)
d = Decimal(inf)
assert d.is_infinite()
with pytest.raises(ValueError):
rj.dumps(d, number_mode=rj.NM_DECIMAL)
dumped = rj.dumps(d, number_mode=rj.NM_DECIMAL, allow_nan=True)
loaded = rj.loads(dumped, number_mode=rj.NM_DECIMAL|rj.NM_NAN)
assert loaded == inf
assert loaded.is_infinite()
def test_infinity_c():
inf = float("inf")
dumped = rj.Encoder()(inf)
loaded = rj.Decoder()(dumped)
assert loaded == inf
with pytest.raises(ValueError):
rj.Encoder(number_mode=None)(inf)
d = Decimal(inf)
assert d.is_infinite()
with pytest.raises(ValueError):
rj.Encoder(number_mode=rj.NM_DECIMAL)(d)
dumped = rj.Encoder(number_mode=rj.NM_DECIMAL|rj.NM_NAN)(d)
loaded = rj.Decoder(number_mode=rj.NM_DECIMAL|rj.NM_NAN)(dumped)
assert loaded == inf
assert loaded.is_infinite()
def test_negative_infinity_f():
inf = float("-infinity")
dumped = rj.dumps(inf)
loaded = rj.loads(dumped)
assert loaded == inf
dumped = rj.dumps(inf, allow_nan=True)
loaded = rj.loads(dumped, allow_nan=True)
assert loaded == inf
with pytest.raises(ValueError):
rj.dumps(inf, number_mode=None)
with pytest.raises(ValueError):
rj.dumps(inf, allow_nan=False)
d = Decimal(inf)
assert d.is_infinite()
with pytest.raises(ValueError):
rj.dumps(d, number_mode=rj.NM_DECIMAL)
dumped = rj.dumps(d, number_mode=rj.NM_DECIMAL|rj.NM_NAN)
loaded = rj.loads(dumped, number_mode=rj.NM_DECIMAL, allow_nan=True)
assert loaded == inf
assert loaded.is_infinite()
def test_negative_infinity_c():
inf = float("-infinity")
dumped = rj.Encoder()(inf)
loaded = rj.Decoder()(dumped)
assert loaded == inf
with pytest.raises(ValueError):
rj.Encoder(number_mode=None)(inf)
d = Decimal(inf)
assert d.is_infinite()
with pytest.raises(ValueError):
rj.Encoder(number_mode=rj.NM_DECIMAL)(d)
dumped = rj.Encoder(number_mode=rj.NM_DECIMAL|rj.NM_NAN)(d)
loaded = rj.Decoder(number_mode=rj.NM_DECIMAL|rj.NM_NAN)(dumped)
assert loaded == inf
assert loaded.is_infinite()
def test_nan_f():
nan = float("nan")
dumped = rj.dumps(nan)
loaded = rj.loads(dumped)
assert math.isnan(nan)
assert math.isnan(loaded)
with pytest.raises(ValueError):
rj.dumps(nan, number_mode=None)
with pytest.raises(ValueError):
rj.dumps(nan, allow_nan=False)
d = Decimal(nan)
assert d.is_nan()
with pytest.raises(ValueError):
rj.dumps(d, number_mode=rj.NM_DECIMAL)
dumped = rj.dumps(d, number_mode=rj.NM_DECIMAL|rj.NM_NAN)
loaded = rj.loads(dumped, number_mode=rj.NM_DECIMAL|rj.NM_NAN)
assert loaded.is_nan()
def test_nan_c():
nan = float("nan")
dumped = rj.Encoder()(nan)
loaded = rj.Decoder()(dumped)
assert math.isnan(nan)
assert math.isnan(loaded)
with pytest.raises(ValueError):
rj.Encoder(number_mode=None)(nan)
d = Decimal(nan)
assert d.is_nan()
with pytest.raises(ValueError):
rj.Encoder(number_mode=rj.NM_DECIMAL)(d)
dumped = rj.Encoder(number_mode=rj.NM_DECIMAL|rj.NM_NAN)(d)
loaded = rj.Decoder(number_mode=rj.NM_DECIMAL|rj.NM_NAN)(dumped)
assert loaded.is_nan()
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