1 files changed, 137 insertions, 0 deletions
diff --git a/Lib/test/test_index.py b/Lib/test/test_index.py
index e69de29..45b3b2b 100644
--- a/Lib/test/test_index.py
+++ b/Lib/test/test_index.py
@@ -0,0 +1,137 @@
+import unittest
+from test import test_support
+import operator
+
+class oldstyle:
+    def __index__(self):
+        return self.ind
+
+class newstyle(object):
+    def __index__(self):
+        return self.ind
+
+class BaseTestCase(unittest.TestCase):
+    def setUp(self):
+        self.o = oldstyle()
+        self.n = newstyle()
+        self.o2 = oldstyle()
+        self.n2 = newstyle()
+
+    def test_basic(self):
+        self.o.ind = -2
+        self.n.ind = 2
+        assert(self.seq[self.n] == self.seq[2])
+        assert(self.seq[self.o] == self.seq[-2])
+        assert(operator.index(self.o) == -2)
+        assert(operator.index(self.n) == 2)
+
+    def test_error(self):
+        self.o.ind = 'dumb'
+        self.n.ind = 'bad'
+        myfunc = lambda x, obj: obj.seq[x]
+        self.failUnlessRaises(TypeError, operator.index, self.o)
+        self.failUnlessRaises(TypeError, operator.index, self.n)
+        self.failUnlessRaises(TypeError, myfunc, self.o, self)
+        self.failUnlessRaises(TypeError, myfunc, self.n, self)
+
+    def test_slice(self):
+        self.o.ind = 1
+        self.o2.ind = 3
+        self.n.ind = 2
+        self.n2.ind = 4
+        assert(self.seq[self.o:self.o2] == self.seq[1:3])
+        assert(self.seq[self.n:self.n2] == self.seq[2:4])
+
+    def test_repeat(self):
+        self.o.ind = 3
+        self.n.ind = 2
+        assert(self.seq * self.o == self.seq * 3)
+        assert(self.seq * self.n == self.seq * 2)
+        assert(self.o * self.seq == self.seq * 3)
+        assert(self.n * self.seq == self.seq * 2)
+
+    def test_wrappers(self):
+        n = self.n
+        n.ind = 5
+        assert n.__index__() == 5
+        assert 6 .__index__() == 6
+        assert -7L.__index__() == -7
+        assert self.seq.__getitem__(n) == self.seq[5]
+        assert self.seq.__mul__(n) == self.seq * 5
+        assert self.seq.__rmul__(n) == self.seq * 5
+
+    def test_infinite_recusion(self):
+        class Trap1(int):
+            def __index__(self):
+                return self
+        class Trap2(long):
+            def __index__(self):
+                return self
+        self.failUnlessRaises(TypeError, operator.getitem, self.seq, Trap1())
+        self.failUnlessRaises(TypeError, operator.getitem, self.seq, Trap2())
+
+
+class ListTestCase(BaseTestCase):
+    seq = [0,10,20,30,40,50]
+
+    def test_setdelitem(self):
+        self.o.ind = -2
+        self.n.ind = 2
+        lst = list('ab!cdefghi!j')
+        del lst[self.o]
+        del lst[self.n]
+        lst[self.o] = 'X'
+        lst[self.n] = 'Y'
+        assert lst == list('abYdefghXj')
+
+        lst = [5, 6, 7, 8, 9, 10, 11]
+        lst.__setitem__(self.n, "here")
+        assert lst == [5, 6, "here", 8, 9, 10, 11]
+        lst.__delitem__(self.n)
+        assert lst == [5, 6, 8, 9, 10, 11]
+
+    def test_inplace_repeat(self):
+        self.o.ind = 2
+        self.n.ind = 3
+        lst = [6, 4]
+        lst *= self.o
+        assert lst == [6, 4, 6, 4]
+        lst *= self.n
+        assert lst == [6, 4, 6, 4] * 3
+
+        lst = [5, 6, 7, 8, 9, 11]
+        l2 = lst.__imul__(self.n)
+        assert l2 is lst
+        assert lst == [5, 6, 7, 8, 9, 11] * 3
+
+
+class TupleTestCase(BaseTestCase):
+    seq = (0,10,20,30,40,50)
+
+class StringTestCase(BaseTestCase):
+    seq = "this is a test"
+
+class UnicodeTestCase(BaseTestCase):
+    seq = u"this is a test"
+
+
+class XRangeTestCase(unittest.TestCase):
+
+    def test_xrange(self):
+        n = newstyle()
+        n.ind = 5
+        assert xrange(1, 20)[n] == 6
+        assert xrange(1, 20).__getitem__(n) == 6
+
+
+def test_main():
+    test_support.run_unittest(
+        ListTestCase,
+        TupleTestCase,
+        StringTestCase,
+        UnicodeTestCase,
+        XRangeTestCase,
+    )
+
+if __name__ == "__main__":
+    test_main()