From: Eric Smith <eric@trueblade.com>
Date: Fri, 22 Feb 2008 17:43:17 +0000 (+0000)
Subject: Tests for bin() builtin.  These need to get merged into py3k, which has no tests... 
X-Git-Tag: v2.6a1~114
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=fb0742fe4f5d07b21764479c3c90ce6c4e1e256f;p=python

Tests for bin() builtin.  These need to get merged into py3k, which has no tests for bin.
---

diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py
index 36b84d8819..4057ba1c96 100644
--- a/Lib/test/test_builtin.py
+++ b/Lib/test/test_builtin.py
@@ -2068,6 +2068,15 @@ class BuiltinTest(unittest.TestCase):
         class DerivedFromStr(str): pass
         self.assertEqual(format(0, DerivedFromStr('10')), '         0')
 
+    def test_bin(self):
+        self.assertEqual(bin(0), '0b0')
+        self.assertEqual(bin(1), '0b1')
+        self.assertEqual(bin(-1), '-0b1')
+        self.assertEqual(bin(2**65), '0b1' + '0' * 65)
+        self.assertEqual(bin(2**65-1), '0b' + '1' * 65)
+        self.assertEqual(bin(-(2**65)), '-0b1' + '0' * 65)
+        self.assertEqual(bin(-(2**65-1)), '-0b' + '1' * 65)
+
 class TestSorted(unittest.TestCase):
 
     def test_basic(self):