diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_builtin.py | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py index 013731ceac..c03769d09b 100644 --- a/Lib/test/test_builtin.py +++ b/Lib/test/test_builtin.py @@ -1080,6 +1080,56 @@ class BuiltinTest(unittest.TestCase): self.assertRaises(OverflowError, range, -sys.maxint, sys.maxint) self.assertRaises(OverflowError, range, 0, 2*sys.maxint) + bignum = 2*sys.maxint + smallnum = 42 + # Old-style user-defined class with __int__ method + class I0: + def __init__(self, n): + self.n = int(n) + def __int__(self): + return self.n + self.assertEqual(range(I0(bignum), I0(bignum + 1)), [bignum]) + self.assertEqual(range(I0(smallnum), I0(smallnum + 1)), [smallnum]) + + # New-style user-defined class with __int__ method + class I1(object): + def __init__(self, n): + self.n = int(n) + def __int__(self): + return self.n + self.assertEqual(range(I1(bignum), I1(bignum + 1)), [bignum]) + self.assertEqual(range(I1(smallnum), I1(smallnum + 1)), [smallnum]) + + # New-style user-defined class with failing __int__ method + class IX(object): + def __int__(self): + raise RuntimeError + self.assertRaises(RuntimeError, range, IX()) + + # New-style user-defined class with invalid __int__ method + class IN(object): + def __int__(self): + return "not a number" + self.assertRaises(TypeError, range, IN()) + + # Exercise various combinations of bad arguments, to check + # refcounting logic + self.assertRaises(TypeError, range, 0.0) + + self.assertRaises(TypeError, range, 0, 0.0) + self.assertRaises(TypeError, range, 0.0, 0) + self.assertRaises(TypeError, range, 0.0, 0.0) + + self.assertRaises(TypeError, range, 0, 0, 1.0) + self.assertRaises(TypeError, range, 0, 0.0, 1) + self.assertRaises(TypeError, range, 0, 0.0, 1.0) + self.assertRaises(TypeError, range, 0.0, 0, 1) + self.assertRaises(TypeError, range, 0.0, 0, 1.0) + self.assertRaises(TypeError, range, 0.0, 0.0, 1) + self.assertRaises(TypeError, range, 0.0, 0.0, 1.0) + + + def test_input_and_raw_input(self): self.write_testfile() fp = open(TESTFN, 'r') |