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38 lines
1.4 KiB
Python
38 lines
1.4 KiB
Python
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import math
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from json.tests import PyTest, CTest
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class TestFloat(object):
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def test_floats(self):
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for num in [1617161771.7650001, math.pi, math.pi**100,
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math.pi**-100, 3.1]:
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self.assertEqual(float(self.dumps(num)), num)
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self.assertEqual(self.loads(self.dumps(num)), num)
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self.assertEqual(self.loads(unicode(self.dumps(num))), num)
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def test_ints(self):
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for num in [1, 1L, 1<<32, 1<<64]:
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self.assertEqual(self.dumps(num), str(num))
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self.assertEqual(int(self.dumps(num)), num)
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self.assertEqual(self.loads(self.dumps(num)), num)
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self.assertEqual(self.loads(unicode(self.dumps(num))), num)
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def test_out_of_range(self):
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self.assertEqual(self.loads('[23456789012E666]'), [float('inf')])
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self.assertEqual(self.loads('[-23456789012E666]'), [float('-inf')])
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def test_allow_nan(self):
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for val in (float('inf'), float('-inf'), float('nan')):
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out = self.dumps([val])
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if val == val: # inf
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self.assertEqual(self.loads(out), [val])
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else: # nan
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res = self.loads(out)
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self.assertEqual(len(res), 1)
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self.assertNotEqual(res[0], res[0])
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self.assertRaises(ValueError, self.dumps, [val], allow_nan=False)
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class TestPyFloat(TestFloat, PyTest): pass
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class TestCFloat(TestFloat, CTest): pass
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