diff --git a/Lib/test/test_index.py b/Lib/test/test_index.py index e69de29bb2d..c7150cd216e 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()