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- import math
- from unittest import TestCase
- from simplejson.compat import long_type, text_type
- import simplejson as json
- from simplejson.decoder import NaN, PosInf, NegInf
- class TestFloat(TestCase):
- def test_degenerates_allow(self):
- for inf in (PosInf, NegInf):
- self.assertEqual(json.loads(json.dumps(inf)), inf)
- # Python 2.5 doesn't have math.isnan
- nan = json.loads(json.dumps(NaN))
- self.assertTrue((0 + nan) != nan)
- def test_degenerates_ignore(self):
- for f in (PosInf, NegInf, NaN):
- self.assertEqual(json.loads(json.dumps(f, ignore_nan=True)), None)
- def test_degenerates_deny(self):
- for f in (PosInf, NegInf, NaN):
- self.assertRaises(ValueError, json.dumps, f, allow_nan=False)
- def test_floats(self):
- for num in [1617161771.7650001, math.pi, math.pi**100,
- math.pi**-100, 3.1]:
- self.assertEqual(float(json.dumps(num)), num)
- self.assertEqual(json.loads(json.dumps(num)), num)
- self.assertEqual(json.loads(text_type(json.dumps(num))), num)
- def test_ints(self):
- for num in [1, long_type(1), 1<<32, 1<<64]:
- self.assertEqual(json.dumps(num), str(num))
- self.assertEqual(int(json.dumps(num)), num)
- self.assertEqual(json.loads(json.dumps(num)), num)
- self.assertEqual(json.loads(text_type(json.dumps(num))), num)
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