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-rw-r--r--Lib/json/tests/test_float.py9
1 files changed, 9 insertions, 0 deletions
diff --git a/Lib/json/tests/test_float.py b/Lib/json/tests/test_float.py
new file mode 100644
index 0000000..9df6d1ee
--- /dev/null
+++ b/Lib/json/tests/test_float.py
@@ -0,0 +1,9 @@
+import math
+from unittest import TestCase
+
+import json
+
+class TestFloat(TestCase):
+ def test_floats(self):
+ for num in [1617161771.7650001, math.pi, math.pi**100, math.pi**-100]:
+ self.assertEquals(float(json.dumps(num)), num)