1 files changed, 134 insertions, 0 deletions
diff --git a/lib/python2.7/test/test_slice.py b/lib/python2.7/test/test_slice.py
new file mode 100644
index 0000000..3304d6b
--- /dev/null
+++ b/lib/python2.7/test/test_slice.py
@@ -0,0 +1,134 @@
+# tests for slice objects; in particular the indices method.
+
+import unittest
+from test import test_support
+from cPickle import loads, dumps
+
+import sys
+
+class SliceTest(unittest.TestCase):
+
+    def test_constructor(self):
+        self.assertRaises(TypeError, slice)
+        self.assertRaises(TypeError, slice, 1, 2, 3, 4)
+
+    def test_repr(self):
+        self.assertEqual(repr(slice(1, 2, 3)), "slice(1, 2, 3)")
+
+    def test_hash(self):
+        # Verify clearing of SF bug #800796
+        self.assertRaises(TypeError, hash, slice(5))
+        self.assertRaises(TypeError, slice(5).__hash__)
+
+    def test_cmp(self):
+        s1 = slice(1, 2, 3)
+        s2 = slice(1, 2, 3)
+        s3 = slice(1, 2, 4)
+        self.assertEqual(s1, s2)
+        self.assertNotEqual(s1, s3)
+
+        class Exc(Exception):
+            pass
+
+        class BadCmp(object):
+            def __eq__(self, other):
+                raise Exc
+            __hash__ = None # Silence Py3k warning
+
+        s1 = slice(BadCmp())
+        s2 = slice(BadCmp())
+        self.assertRaises(Exc, cmp, s1, s2)
+        self.assertEqual(s1, s1)
+
+        s1 = slice(1, BadCmp())
+        s2 = slice(1, BadCmp())
+        self.assertEqual(s1, s1)
+        self.assertRaises(Exc, cmp, s1, s2)
+
+        s1 = slice(1, 2, BadCmp())
+        s2 = slice(1, 2, BadCmp())
+        self.assertEqual(s1, s1)
+        self.assertRaises(Exc, cmp, s1, s2)
+
+    def test_members(self):
+        s = slice(1)
+        self.assertEqual(s.start, None)
+        self.assertEqual(s.stop, 1)
+        self.assertEqual(s.step, None)
+
+        s = slice(1, 2)
+        self.assertEqual(s.start, 1)
+        self.assertEqual(s.stop, 2)
+        self.assertEqual(s.step, None)
+
+        s = slice(1, 2, 3)
+        self.assertEqual(s.start, 1)
+        self.assertEqual(s.stop, 2)
+        self.assertEqual(s.step, 3)
+
+        class AnyClass:
+            pass
+
+        obj = AnyClass()
+        s = slice(obj)
+        self.assertTrue(s.stop is obj)
+
+    def test_indices(self):
+        self.assertEqual(slice(None           ).indices(10), (0, 10,  1))
+        self.assertEqual(slice(None,  None,  2).indices(10), (0, 10,  2))
+        self.assertEqual(slice(1,     None,  2).indices(10), (1, 10,  2))
+        self.assertEqual(slice(None,  None, -1).indices(10), (9, -1, -1))
+        self.assertEqual(slice(None,  None, -2).indices(10), (9, -1, -2))
+        self.assertEqual(slice(3,     None, -2).indices(10), (3, -1, -2))
+        # issue 3004 tests
+        self.assertEqual(slice(None, -9).indices(10), (0, 1, 1))
+        self.assertEqual(slice(None, -10).indices(10), (0, 0, 1))
+        self.assertEqual(slice(None, -11).indices(10), (0, 0, 1))
+        self.assertEqual(slice(None, -10, -1).indices(10), (9, 0, -1))
+        self.assertEqual(slice(None, -11, -1).indices(10), (9, -1, -1))
+        self.assertEqual(slice(None, -12, -1).indices(10), (9, -1, -1))
+        self.assertEqual(slice(None, 9).indices(10), (0, 9, 1))
+        self.assertEqual(slice(None, 10).indices(10), (0, 10, 1))
+        self.assertEqual(slice(None, 11).indices(10), (0, 10, 1))
+        self.assertEqual(slice(None, 8, -1).indices(10), (9, 8, -1))
+        self.assertEqual(slice(None, 9, -1).indices(10), (9, 9, -1))
+        self.assertEqual(slice(None, 10, -1).indices(10), (9, 9, -1))
+
+        self.assertEqual(
+            slice(-100,  100     ).indices(10),
+            slice(None).indices(10)
+        )
+        self.assertEqual(
+            slice(100,  -100,  -1).indices(10),
+            slice(None, None, -1).indices(10)
+        )
+        self.assertEqual(slice(-100L, 100L, 2L).indices(10), (0, 10,  2))
+
+        self.assertEqual(range(10)[::sys.maxint - 1], [0])
+
+        self.assertRaises(OverflowError, slice(None).indices, 1L<<100)
+
+    def test_setslice_without_getslice(self):
+        tmp = []
+        class X(object):
+            def __setslice__(self, i, j, k):
+                tmp.append((i, j, k))
+
+        x = X()
+        with test_support.check_py3k_warnings():
+            x[1:2] = 42
+        self.assertEqual(tmp, [(1, 2, 42)])
+
+    def test_pickle(self):
+        s = slice(10, 20, 3)
+        for protocol in (0,1,2):
+            t = loads(dumps(s, protocol))
+            self.assertEqual(s, t)
+            self.assertEqual(s.indices(15), t.indices(15))
+            self.assertNotEqual(id(s), id(t))
+
+def test_main():
+    test_support.run_unittest(SliceTest)
+
+if __name__ == "__main__":
+    test_main()