more coverage, decimal key coercion

1 files changed, 8 insertions, 0 deletions

diff --git a/simplejson/tests/test_float.py b/simplejson/tests/test_float.py
index f7e29d6..5d50223 100644
--- a/simplejson/tests/test_float.py
+++ b/simplejson/tests/test_float.py
@@ -2,8 +2,16 @@ import math
 from unittest import TestCase
 from simplejson.compat import long_type, text_type
 import simplejson as json
+from simplejson.decoder import NaN, PosInf, NegInf
 
 class TestFloat(TestCase):
+    def test_degenerates(self):
+        for inf in (PosInf, NegInf):
+            self.assertEquals(json.loads(json.dumps(inf)), inf)
+        # Python 2.5 doesn't have math.isnan
+        nan = json.loads(json.dumps(NaN))
+        self.assert_((0 + nan) != nan)
+
     def test_floats(self):
         for num in [1617161771.7650001, math.pi, math.pi**100,
                     math.pi**-100, 3.1]: