ignore_nan #63ecma-262-63

1 files changed, 9 insertions, 1 deletions

diff --git a/simplejson/tests/test_float.py b/simplejson/tests/test_float.py
index f61ed68..e382ec2 100644
--- a/simplejson/tests/test_float.py
+++ b/simplejson/tests/test_float.py
@@ -5,13 +5,21 @@ import simplejson as json
 from simplejson.decoder import NaN, PosInf, NegInf
 
 class TestFloat(TestCase):
-    def test_degenerates(self):
+    def test_degenerates_allow(self):
         for inf in (PosInf, NegInf):
             self.assertEqual(json.loads(json.dumps(inf)), inf)
         # Python 2.5 doesn't have math.isnan
         nan = json.loads(json.dumps(NaN))
         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)
+
     def test_floats(self):
         for num in [1617161771.7650001, math.pi, math.pi**100,
                     math.pi**-100, 3.1]: