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python3.11
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simplejson
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tests
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Filename :
test_float.py
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import sys 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, allow_nan=True), allow_nan=True), inf) # Python 2.5 doesn't have math.isnan nan = json.loads(json.dumps(NaN, allow_nan=True), allow_nan=True) 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) for s in ('Infinity', '-Infinity', 'NaN'): self.assertRaises(ValueError, json.loads, s, allow_nan=False) self.assertRaises(ValueError, json.loads, s) 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) def test_float_range(self): try: float_range = [sys.float_info.min, sys.float_info.max] except AttributeError: float_range = [2.2250738585072014e-308, 1.7976931348623157e+308] self.assertEqual(json.loads(json.dumps(float_range)), float_range)