diff options
Diffstat (limited to 'lib/python2.7/json/tests/test_float.py')
-rw-r--r-- | lib/python2.7/json/tests/test_float.py | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/python2.7/json/tests/test_float.py b/lib/python2.7/json/tests/test_float.py new file mode 100644 index 0000000..c10381d --- /dev/null +++ b/lib/python2.7/json/tests/test_float.py @@ -0,0 +1,48 @@ +import math +from json.tests import PyTest, CTest + + +class TestFloat(object): + 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) + self.assertEqual(self.loads(unicode(self.dumps(num))), num) + + def test_ints(self): + for num in [1, 1L, 1<<32, 1<<64]: + self.assertEqual(self.dumps(num), str(num)) + self.assertEqual(int(self.dumps(num)), num) + self.assertEqual(self.loads(self.dumps(num)), num) + self.assertEqual(self.loads(unicode(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) + + def test_float_subclasses_use_float_repr(self): + # Issue 27934. + class PeculiarFloat(float): + def __repr__(self): + return "I'm not valid JSON" + def __str__(self): + return "Neither am I" + + val = PeculiarFloat(3.2) + self.assertEqual(self.loads(self.dumps(val)), val) + + +class TestPyFloat(TestFloat, PyTest): pass +class TestCFloat(TestFloat, CTest): pass |