mirror of https://github.com/python/cpython
34 lines
1.2 KiB
Python
34 lines
1.2 KiB
Python
import math
|
|
from test.json_tests import PyTest, CTest
|
|
|
|
|
|
class TestFloat:
|
|
def test_floats(self):
|
|
for num in [1617161771.7650001, math.pi, math.pi**100, math.pi**-100, 3.1]:
|
|
self.assertEqual(float(self.dumps(num)), num)
|
|
self.assertEqual(self.loads(self.dumps(num)), num)
|
|
|
|
def test_ints(self):
|
|
for num in [1, 1<<32, 1<<64]:
|
|
self.assertEqual(self.dumps(num), str(num))
|
|
self.assertEqual(int(self.dumps(num)), num)
|
|
|
|
def test_out_of_range(self):
|
|
self.assertEqual(self.loads('[23456789012E666]'), [float('inf')])
|
|
self.assertEqual(self.loads('[-23456789012E666]'), [float('-inf')])
|
|
|
|
def test_allow_nan(self):
|
|
for val in (float('inf'), float('-inf'), float('nan')):
|
|
out = self.dumps([val])
|
|
if val == val: # inf
|
|
self.assertEqual(self.loads(out), [val])
|
|
else: # nan
|
|
res = self.loads(out)
|
|
self.assertEqual(len(res), 1)
|
|
self.assertNotEqual(res[0], res[0])
|
|
self.assertRaises(ValueError, self.dumps, [val], allow_nan=False)
|
|
|
|
|
|
class TestPyFloat(TestFloat, PyTest): pass
|
|
class TestCFloat(TestFloat, CTest): pass
|