Checking in the test for PEP 357.
This is from the SF tracker as well; for some reason the
content of test_index.py was lost and an empty file was
checked in instead.
diff --git a/Lib/test/test_index.py b/Lib/test/test_index.py
index e69de29..c7150cd 100644
--- a/Lib/test/test_index.py
+++ b/Lib/test/test_index.py
@@ -0,0 +1,159 @@
+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 ListTestCase(unittest.TestCase):
+ def setUp(self):
+ self.seq = [0,10,20,30,40,50]
+ 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] == 20)
+ assert(self.seq[self.o] == 40)
+ 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])
+
+class TupleTestCase(unittest.TestCase):
+ def setUp(self):
+ self.seq = (0,10,20,30,40,50)
+ 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] == 20)
+ assert(self.seq[self.o] == 40)
+ 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])
+
+class StringTestCase(unittest.TestCase):
+ def setUp(self):
+ self.seq = "this is a test"
+ 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])
+
+
+class UnicodeTestCase(unittest.TestCase):
+ def setUp(self):
+ self.seq = u"this is a test"
+ 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_main():
+ test_support.run_unittest(
+ ListTestCase,
+ TupleTestCase,
+ StringTestCase,
+ UnicodeTestCase
+ )
+
+if __name__ == "__main__":
+ test_main()