diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_index.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_index.py Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,225 @@ +import unittest +from test import test_support +import operator +from sys import maxint +maxsize = test_support.MAX_Py_ssize_t +minsize = -maxsize-1 + +class oldstyle: + def __index__(self): + return self.ind + +class newstyle(object): + def __index__(self): + return self.ind + +class TrapInt(int): + def __index__(self): + return self + +class TrapLong(long): + def __index__(self): + return self + +class BaseTestCase(unittest.TestCase): + def setUp(self): + self.o = oldstyle() + self.n = newstyle() + + def test_basic(self): + self.o.ind = -2 + self.n.ind = 2 + self.assertEqual(operator.index(self.o), -2) + self.assertEqual(operator.index(self.n), 2) + + def test_slice(self): + self.o.ind = 1 + self.n.ind = 2 + slc = slice(self.o, self.o, self.o) + check_slc = slice(1, 1, 1) + self.assertEqual(slc.indices(self.o), check_slc.indices(1)) + slc = slice(self.n, self.n, self.n) + check_slc = slice(2, 2, 2) + self.assertEqual(slc.indices(self.n), check_slc.indices(2)) + + def test_wrappers(self): + self.o.ind = 4 + self.n.ind = 5 + self.assertEqual(6 .__index__(), 6) + self.assertEqual(-7L.__index__(), -7) + self.assertEqual(self.o.__index__(), 4) + self.assertEqual(self.n.__index__(), 5) + + def test_subclasses(self): + r = range(10) + self.assertEqual(r[TrapInt(5):TrapInt(10)], r[5:10]) + self.assertEqual(r[TrapLong(5):TrapLong(10)], r[5:10]) + self.assertEqual(slice(TrapInt()).indices(0), (0,0,1)) + self.assertEqual(slice(TrapLong(0)).indices(0), (0,0,1)) + + def test_error(self): + self.o.ind = 'dumb' + self.n.ind = 'bad' + self.failUnlessRaises(TypeError, operator.index, self.o) + self.failUnlessRaises(TypeError, operator.index, self.n) + self.failUnlessRaises(TypeError, slice(self.o).indices, 0) + self.failUnlessRaises(TypeError, slice(self.n).indices, 0) + + +class SeqTestCase(unittest.TestCase): + # This test case isn't run directly. It just defines common tests + # to the different sequence types below + def setUp(self): + self.o = oldstyle() + self.n = newstyle() + self.o2 = oldstyle() + self.n2 = newstyle() + + def test_index(self): + self.o.ind = -2 + self.n.ind = 2 + self.assertEqual(self.seq[self.n], self.seq[2]) + self.assertEqual(self.seq[self.o], self.seq[-2]) + + def test_slice(self): + self.o.ind = 1 + self.o2.ind = 3 + self.n.ind = 2 + self.n2.ind = 4 + self.assertEqual(self.seq[self.o:self.o2], self.seq[1:3]) + self.assertEqual(self.seq[self.n:self.n2], self.seq[2:4]) + + def test_repeat(self): + self.o.ind = 3 + self.n.ind = 2 + self.assertEqual(self.seq * self.o, self.seq * 3) + self.assertEqual(self.seq * self.n, self.seq * 2) + self.assertEqual(self.o * self.seq, self.seq * 3) + self.assertEqual(self.n * self.seq, self.seq * 2) + + def test_wrappers(self): + self.o.ind = 4 + self.n.ind = 5 + self.assertEqual(self.seq.__getitem__(self.o), self.seq[4]) + self.assertEqual(self.seq.__mul__(self.o), self.seq * 4) + self.assertEqual(self.seq.__rmul__(self.o), self.seq * 4) + self.assertEqual(self.seq.__getitem__(self.n), self.seq[5]) + self.assertEqual(self.seq.__mul__(self.n), self.seq * 5) + self.assertEqual(self.seq.__rmul__(self.n), self.seq * 5) + + def test_subclasses(self): + self.assertEqual(self.seq[TrapInt()], self.seq[0]) + self.assertEqual(self.seq[TrapLong()], self.seq[0]) + + def test_error(self): + self.o.ind = 'dumb' + self.n.ind = 'bad' + indexobj = lambda x, obj: obj.seq[x] + self.failUnlessRaises(TypeError, indexobj, self.o, self) + self.failUnlessRaises(TypeError, indexobj, self.n, self) + sliceobj = lambda x, obj: obj.seq[x:] + self.failUnlessRaises(TypeError, sliceobj, self.o, self) + self.failUnlessRaises(TypeError, sliceobj, self.n, self) + + +class ListTestCase(SeqTestCase): + 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' + self.assertEqual(lst, list('abYdefghXj')) + + lst = [5, 6, 7, 8, 9, 10, 11] + lst.__setitem__(self.n, "here") + self.assertEqual(lst, [5, 6, "here", 8, 9, 10, 11]) + lst.__delitem__(self.n) + self.assertEqual(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 + self.assertEqual(lst, [6, 4, 6, 4]) + lst *= self.n + self.assertEqual(lst, [6, 4, 6, 4] * 3) + + lst = [5, 6, 7, 8, 9, 11] + l2 = lst.__imul__(self.n) + self.assert_(l2 is lst) + self.assertEqual(lst, [5, 6, 7, 8, 9, 11] * 3) + + +class TupleTestCase(SeqTestCase): + seq = (0,10,20,30,40,50) + +class StringTestCase(SeqTestCase): + seq = "this is a test" + +class UnicodeTestCase(SeqTestCase): + seq = u"this is a test" + + +class XRangeTestCase(unittest.TestCase): + + def test_xrange(self): + n = newstyle() + n.ind = 5 + self.assertEqual(xrange(1, 20)[n], 6) + self.assertEqual(xrange(1, 20).__getitem__(n), 6) + +class OverflowTestCase(unittest.TestCase): + + def setUp(self): + self.pos = 2**100 + self.neg = -self.pos + + def test_large_longs(self): + self.assertEqual(self.pos.__index__(), self.pos) + self.assertEqual(self.neg.__index__(), self.neg) + + def _getitem_helper(self, base): + class GetItem(base): + def __len__(self): + return maxint #cannot return long here + def __getitem__(self, key): + return key + def __getslice__(self, i, j): + return i, j + x = GetItem() + self.assertEqual(x[self.pos], self.pos) + self.assertEqual(x[self.neg], self.neg) + self.assertEqual(x[self.neg:self.pos], (maxint+minsize, maxsize)) + self.assertEqual(x[self.neg:self.pos:1].indices(maxsize), (0, maxsize, 1)) + + def test_getitem(self): + self._getitem_helper(object) + + def test_getitem_classic(self): + class Empty: pass + self._getitem_helper(Empty) + + def test_sequence_repeat(self): + self.failUnlessRaises(OverflowError, lambda: "a" * self.pos) + self.failUnlessRaises(OverflowError, lambda: "a" * self.neg) + + +def test_main(): + test_support.run_unittest( + BaseTestCase, + ListTestCase, + TupleTestCase, + StringTestCase, + UnicodeTestCase, + XRangeTestCase, + OverflowTestCase, + ) + +if __name__ == "__main__": + test_main()