Lib/test/test_range.py - Issue 602: range: lean and mean

Delta Between Two Patch Sets: Lib/test/test_range.py

Issue 602: range: lean and mean (Closed) SVN Base: http://svn.python.org/view/*checkout*/python/branches/py3k/

Left Patch Set: Created 5 months, 1 week ago , Downloaded from: http://bugs.python.org/file10152/range_lean_and_mean.patch

Right Patch Set: __len__ is back! Created 5 months, 1 week ago

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1 # Python test set -- built-in functions	1 # Python test set -- built-in functions

2	2

3 import test.test_support, unittest	3 import test.test_support, unittest

4 import sys	4 import sys

5	5

6 import warnings	6 import warnings

7 warnings.filterwarnings("ignore", "integer argument expected",	7 warnings.filterwarnings("ignore", "integer argument expected",

8 DeprecationWarning, "unittest")	8 DeprecationWarning, "unittest")

9	9

10 class RangeTest(unittest.TestCase):	10 class RangeTest(unittest.TestCase):

(...skipping 33 matching lines...) Show 10 above Show 10 below
44 self.assertRaises(ValueError, range, 1, 2, 0)	44 self.assertRaises(ValueError, range, 1, 2, 0)

45	45

46 self.assertRaises(TypeError, range, 0.0, 2, 1)	46 self.assertRaises(TypeError, range, 0.0, 2, 1)

47 self.assertRaises(TypeError, range, 1, 2.0, 1)	47 self.assertRaises(TypeError, range, 1, 2.0, 1)

48 self.assertRaises(TypeError, range, 1, 2, 1.0)	48 self.assertRaises(TypeError, range, 1, 2, 1.0)

49 self.assertRaises(TypeError, range, 1e100, 1e101, 1e101)	49 self.assertRaises(TypeError, range, 1e100, 1e101, 1e101)

50	50

51 self.assertRaises(TypeError, range, 0, "spam")	51 self.assertRaises(TypeError, range, 0, "spam")

52 self.assertRaises(TypeError, range, 0, 42, "spam")	52 self.assertRaises(TypeError, range, 0, 42, "spam")

53	53

54 self.assertEqual(len(range(0, sys.maxsize, sys.maxsize-1)), 2)

55

56 r = range(-sys.maxsize, sys.maxsize, 2)

57 self.assertEqual(len(r), sys.maxsize)

58

59 def test_repr(self):	54 def test_repr(self):

60 self.assertEqual(repr(range(1)), 'range(0, 1)')	55 self.assertEqual(repr(range(1)), 'range(0, 1)')

61 self.assertEqual(repr(range(1, 2)), 'range(1, 2)')	56 self.assertEqual(repr(range(1, 2)), 'range(1, 2)')

62 self.assertEqual(repr(range(1, 2, 3)), 'range(1, 2, 3)')	57 self.assertEqual(repr(range(1, 2, 3)), 'range(1, 2, 3)')

63	58

64 def test_attributes(self):	59 def test_attributes(self):

65 r = range(0, 10, 2)	60 r = range(0, 10, 2)

66 self.assertEqual(r.start, 0)	61 self.assertEqual(r.start, 0)

67 self.assertEqual(r.stop, 10)	62 self.assertEqual(r.stop, 10)

68 self.assertEqual(r.step, 2)	63 self.assertEqual(r.step, 2)

69 r = range(10)	64 r = range(10)

70 self.assertEqual(r.start, 0)	65 self.assertEqual(r.start, 0)

71 self.assertEqual(r.stop, 10)	66 self.assertEqual(r.stop, 10)

72 self.assertEqual(r.step, 1)	67 self.assertEqual(r.step, 1)
GvR 2008/05/02 13:52:47 I'd like the test to be explicit about what happen I'd like the test to be explicit about what happens in some corner cases. E.g. r = range(1, 0) # start=1, stop=0, step=1 r = range(1, 10, 2) # start=1, stop=10, step=2
	68 r = range(10, 0, 4)

	69 self.assertEqual(r.start, 10)

	70 self.assertEqual(r.stop, 0)

	71 self.assertEqual(r.step, 4)

	72

	73 def test_len(self):

	74 self.assertEqual(len(range(10)), 10)

	75 self.assertEqual(len(range(10, 0)), 0)

	76 self.assertEqual(len(range(0, 10, 2)), 5)

	77

	78 self.assertEqual(len(range(0, sys.maxsize, sys.maxsize-1)), 2)

	79

	80 r = range(-sys.maxsize, sys.maxsize, 2)

	81 self.assertEqual(len(r), sys.maxsize)

73	82

74 def test_main():	83 def test_main():

75 test.test_support.run_unittest(RangeTest)	84 test.test_support.run_unittest(RangeTest)

76	85

77 if __name__ == "__main__":	86 if __name__ == "__main__":

78 test_main()	87 test_main()

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