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authorSimon Robertshaw <simon@hardwired.org.uk>2011-10-26 13:50:50 (GMT)
committer Simon Robertshaw <simon@hardwired.org.uk>2011-10-26 13:50:50 (GMT)
commite46ef289e142982d7bd592faa7b0f85470364c01 (patch)
treecda253e03788f7db0a7cdcd05662f66b4455e298 /src/python/stdlib/test/test_xrange.py
parentd0d0d62bbcbb5c3417f8cba419c83bac192ea985 (diff)
downloadpowder-e46ef289e142982d7bd592faa7b0f85470364c01.zip
powder-e46ef289e142982d7bd592faa7b0f85470364c01.tar.gz
Remove Python console stuff
Diffstat (limited to 'src/python/stdlib/test/test_xrange.py')
-rw-r--r--src/python/stdlib/test/test_xrange.py143
1 files changed, 0 insertions, 143 deletions
diff --git a/src/python/stdlib/test/test_xrange.py b/src/python/stdlib/test/test_xrange.py
deleted file mode 100644
index e3c799e..0000000
--- a/src/python/stdlib/test/test_xrange.py
+++ /dev/null
@@ -1,143 +0,0 @@
-# Python test set -- built-in functions
-
-import test.test_support, unittest
-import sys
-import pickle
-import itertools
-
-import warnings
-warnings.filterwarnings("ignore", "integer argument expected",
- DeprecationWarning, "unittest")
-
-# pure Python implementations (3 args only), for comparison
-def pyrange(start, stop, step):
- if (start - stop) // step < 0:
- # replace stop with next element in the sequence of integers
- # that are congruent to start modulo step.
- stop += (start - stop) % step
- while start != stop:
- yield start
- start += step
-
-def pyrange_reversed(start, stop, step):
- stop += (start - stop) % step
- return pyrange(stop - step, start - step, -step)
-
-
-class XrangeTest(unittest.TestCase):
- def assert_iterators_equal(self, xs, ys, test_id, limit=None):
- # check that an iterator xs matches the expected results ys,
- # up to a given limit.
- if limit is not None:
- xs = itertools.islice(xs, limit)
- ys = itertools.islice(ys, limit)
- sentinel = object()
- pairs = itertools.izip_longest(xs, ys, fillvalue=sentinel)
- for i, (x, y) in enumerate(pairs):
- if x == y:
- continue
- elif x == sentinel:
- self.fail('{}: iterator ended unexpectedly '
- 'at position {}; expected {}'.format(test_id, i, y))
- elif y == sentinel:
- self.fail('{}: unexpected excess element {} at '
- 'position {}'.format(test_id, x, i))
- else:
- self.fail('{}: wrong element at position {};'
- 'expected {}, got {}'.format(test_id, i, y, x))
-
- def test_xrange(self):
- self.assertEqual(list(xrange(3)), [0, 1, 2])
- self.assertEqual(list(xrange(1, 5)), [1, 2, 3, 4])
- self.assertEqual(list(xrange(0)), [])
- self.assertEqual(list(xrange(-3)), [])
- self.assertEqual(list(xrange(1, 10, 3)), [1, 4, 7])
- self.assertEqual(list(xrange(5, -5, -3)), [5, 2, -1, -4])
-
- a = 10
- b = 100
- c = 50
-
- self.assertEqual(list(xrange(a, a+2)), [a, a+1])
- self.assertEqual(list(xrange(a+2, a, -1L)), [a+2, a+1])
- self.assertEqual(list(xrange(a+4, a, -2)), [a+4, a+2])
-
- seq = list(xrange(a, b, c))
- self.assertIn(a, seq)
- self.assertNotIn(b, seq)
- self.assertEqual(len(seq), 2)
-
- seq = list(xrange(b, a, -c))
- self.assertIn(b, seq)
- self.assertNotIn(a, seq)
- self.assertEqual(len(seq), 2)
-
- seq = list(xrange(-a, -b, -c))
- self.assertIn(-a, seq)
- self.assertNotIn(-b, seq)
- self.assertEqual(len(seq), 2)
-
- self.assertRaises(TypeError, xrange)
- self.assertRaises(TypeError, xrange, 1, 2, 3, 4)
- self.assertRaises(ValueError, xrange, 1, 2, 0)
-
- self.assertRaises(OverflowError, xrange, 10**100, 10**101, 10**101)
-
- self.assertRaises(TypeError, xrange, 0, "spam")
- self.assertRaises(TypeError, xrange, 0, 42, "spam")
-
- self.assertEqual(len(xrange(0, sys.maxint, sys.maxint-1)), 2)
-
- self.assertRaises(OverflowError, xrange, -sys.maxint, sys.maxint)
- self.assertRaises(OverflowError, xrange, 0, 2*sys.maxint)
-
- r = xrange(-sys.maxint, sys.maxint, 2)
- self.assertEqual(len(r), sys.maxint)
- self.assertRaises(OverflowError, xrange, -sys.maxint-1, sys.maxint, 2)
-
- def test_pickling(self):
- testcases = [(13,), (0, 11), (-22, 10), (20, 3, -1),
- (13, 21, 3), (-2, 2, 2)]
- for proto in range(pickle.HIGHEST_PROTOCOL + 1):
- for t in testcases:
- r = xrange(*t)
- self.assertEqual(list(pickle.loads(pickle.dumps(r, proto))),
- list(r))
-
- def test_range_iterators(self):
- # see issue 7298
- limits = [base + jiggle
- for M in (2**32, 2**64)
- for base in (-M, -M//2, 0, M//2, M)
- for jiggle in (-2, -1, 0, 1, 2)]
- test_ranges = [(start, end, step)
- for start in limits
- for end in limits
- for step in (-2**63, -2**31, -2, -1, 1, 2)]
-
- for start, end, step in test_ranges:
- try:
- iter1 = xrange(start, end, step)
- except OverflowError:
- pass
- else:
- iter2 = pyrange(start, end, step)
- test_id = "xrange({}, {}, {})".format(start, end, step)
- # check first 100 entries
- self.assert_iterators_equal(iter1, iter2, test_id, limit=100)
-
- try:
- iter1 = reversed(xrange(start, end, step))
- except OverflowError:
- pass
- else:
- iter2 = pyrange_reversed(start, end, step)
- test_id = "reversed(xrange({}, {}, {}))".format(start, end, step)
- self.assert_iterators_equal(iter1, iter2, test_id, limit=100)
-
-
-def test_main():
- test.test_support.run_unittest(XrangeTest)
-
-if __name__ == "__main__":
- test_main()