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1import math\r
2from json.tests import PyTest, CTest\r
3\r
4\r
5class TestFloat(object):\r
6 def test_floats(self):\r
7 for num in [1617161771.7650001, math.pi, math.pi**100,\r
8 math.pi**-100, 3.1]:\r
9 self.assertEqual(float(self.dumps(num)), num)\r
10 self.assertEqual(self.loads(self.dumps(num)), num)\r
11 self.assertEqual(self.loads(unicode(self.dumps(num))), num)\r
12\r
13 def test_ints(self):\r
14 for num in [1, 1L, 1<<32, 1<<64]:\r
15 self.assertEqual(self.dumps(num), str(num))\r
16 self.assertEqual(int(self.dumps(num)), num)\r
17 self.assertEqual(self.loads(self.dumps(num)), num)\r
18 self.assertEqual(self.loads(unicode(self.dumps(num))), num)\r
19\r
20 def test_out_of_range(self):\r
21 self.assertEqual(self.loads('[23456789012E666]'), [float('inf')])\r
22 self.assertEqual(self.loads('[-23456789012E666]'), [float('-inf')])\r
23\r
24 def test_allow_nan(self):\r
25 for val in (float('inf'), float('-inf'), float('nan')):\r
26 out = self.dumps([val])\r
27 if val == val: # inf\r
28 self.assertEqual(self.loads(out), [val])\r
29 else: # nan\r
30 res = self.loads(out)\r
31 self.assertEqual(len(res), 1)\r
32 self.assertNotEqual(res[0], res[0])\r
33 self.assertRaises(ValueError, self.dumps, [val], allow_nan=False)\r
34\r
35\r
36class TestPyFloat(TestFloat, PyTest): pass\r
37class TestCFloat(TestFloat, CTest): pass\r