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//proc/self/root/proc/self/root/usr/lib/python2.4/test/seq_tests.py
""" Tests common to tuple, list and UserList.UserList """ import unittest from test import test_support class CommonTest(unittest.TestCase): # The type to be tested type2test = None def test_constructors(self): l0 = [] l1 = [0] l2 = [0, 1] u = self.type2test() u0 = self.type2test(l0) u1 = self.type2test(l1) u2 = self.type2test(l2) uu = self.type2test(u) uu0 = self.type2test(u0) uu1 = self.type2test(u1) uu2 = self.type2test(u2) v = self.type2test(tuple(u)) class OtherSeq: def __init__(self, initseq): self.__data = initseq def __len__(self): return len(self.__data) def __getitem__(self, i): return self.__data[i] s = OtherSeq(u0) v0 = self.type2test(s) self.assertEqual(len(v0), len(s)) s = "this is also a sequence" vv = self.type2test(s) self.assertEqual(len(vv), len(s)) def test_truth(self): self.assert_(not self.type2test()) self.assert_(self.type2test([42])) def test_getitem(self): u = self.type2test([0, 1, 2, 3, 4]) for i in xrange(len(u)): self.assertEqual(u[i], i) self.assertEqual(u[long(i)], i) for i in xrange(-len(u), -1): self.assertEqual(u[i], len(u)+i) self.assertEqual(u[long(i)], len(u)+i) self.assertRaises(IndexError, u.__getitem__, -len(u)-1) self.assertRaises(IndexError, u.__getitem__, len(u)) self.assertRaises(ValueError, u.__getitem__, slice(0,10,0)) u = self.type2test() self.assertRaises(IndexError, u.__getitem__, 0) self.assertRaises(IndexError, u.__getitem__, -1) self.assertRaises(TypeError, u.__getitem__) a = self.type2test([10, 11]) self.assertEqual(a[0], 10) self.assertEqual(a[1], 11) self.assertEqual(a[-2], 10) self.assertEqual(a[-1], 11) self.assertRaises(IndexError, a.__getitem__, -3) self.assertRaises(IndexError, a.__getitem__, 3) def test_getslice(self): l = [0, 1, 2, 3, 4] u = self.type2test(l) self.assertEqual(u[0:0], self.type2test()) self.assertEqual(u[1:2], self.type2test([1])) self.assertEqual(u[-2:-1], self.type2test([3])) self.assertEqual(u[-1000:1000], u) self.assertEqual(u[1000:-1000], self.type2test([])) self.assertEqual(u[:], u) self.assertEqual(u[1:None], self.type2test([1, 2, 3, 4])) self.assertEqual(u[None:3], self.type2test([0, 1, 2])) # Extended slices self.assertEqual(u[::], u) self.assertEqual(u[::2], self.type2test([0, 2, 4])) self.assertEqual(u[1::2], self.type2test([1, 3])) self.assertEqual(u[::-1], self.type2test([4, 3, 2, 1, 0])) self.assertEqual(u[::-2], self.type2test([4, 2, 0])) self.assertEqual(u[3::-2], self.type2test([3, 1])) self.assertEqual(u[3:3:-2], self.type2test([])) self.assertEqual(u[3:2:-2], self.type2test([3])) self.assertEqual(u[3:1:-2], self.type2test([3])) self.assertEqual(u[3:0:-2], self.type2test([3, 1])) self.assertEqual(u[::-100], self.type2test([4])) self.assertEqual(u[100:-100:], self.type2test([])) self.assertEqual(u[-100:100:], u) self.assertEqual(u[100:-100:-1], u[::-1]) self.assertEqual(u[-100:100:-1], self.type2test([])) self.assertEqual(u[-100L:100L:2L], self.type2test([0, 2, 4])) # Test extreme cases with long ints a = self.type2test([0,1,2,3,4]) self.assertEqual(a[ -pow(2,128L): 3 ], self.type2test([0,1,2])) self.assertEqual(a[ 3: pow(2,145L) ], self.type2test([3,4])) self.assertRaises(TypeError, u.__getslice__) def test_contains(self): u = self.type2test([0, 1, 2]) for i in u: self.assert_(i in u) for i in min(u)-1, max(u)+1: self.assert_(i not in u) self.assertRaises(TypeError, u.__contains__) def test_len(self): self.assertEqual(len(self.type2test()), 0) self.assertEqual(len(self.type2test([])), 0) self.assertEqual(len(self.type2test([0])), 1) self.assertEqual(len(self.type2test([0, 1, 2])), 3) def test_minmax(self): u = self.type2test([0, 1, 2]) self.assertEqual(min(u), 0) self.assertEqual(max(u), 2) def test_addmul(self): u1 = self.type2test([0]) u2 = self.type2test([0, 1]) self.assertEqual(u1, u1 + self.type2test()) self.assertEqual(u1, self.type2test() + u1) self.assertEqual(u1 + self.type2test([1]), u2) self.assertEqual(self.type2test([-1]) + u1, self.type2test([-1, 0])) self.assertEqual(self.type2test(), u2*0) self.assertEqual(self.type2test(), 0*u2) self.assertEqual(self.type2test(), u2*0L) self.assertEqual(self.type2test(), 0L*u2) self.assertEqual(u2, u2*1) self.assertEqual(u2, 1*u2) self.assertEqual(u2, u2*1L) self.assertEqual(u2, 1L*u2) self.assertEqual(u2+u2, u2*2) self.assertEqual(u2+u2, 2*u2) self.assertEqual(u2+u2, u2*2L) self.assertEqual(u2+u2, 2L*u2) self.assertEqual(u2+u2+u2, u2*3) self.assertEqual(u2+u2+u2, 3*u2) class subclass(self.type2test): pass u3 = subclass([0, 1]) self.assertEqual(u3, u3*1) self.assert_(u3 is not u3*1) def test_iadd(self): u = self.type2test([0, 1]) u += self.type2test() self.assertEqual(u, self.type2test([0, 1])) u += self.type2test([2, 3]) self.assertEqual(u, self.type2test([0, 1, 2, 3])) u += self.type2test([4, 5]) self.assertEqual(u, self.type2test([0, 1, 2, 3, 4, 5])) u = self.type2test("spam") u += self.type2test("eggs") self.assertEqual(u, self.type2test("spameggs")) def test_imul(self): u = self.type2test([0, 1]) u *= 3 self.assertEqual(u, self.type2test([0, 1, 0, 1, 0, 1])) def test_getitemoverwriteiter(self): # Verify that __getitem__ overrides are not recognized by __iter__ class T(self.type2test): def __getitem__(self, key): return str(key) + '!!!' self.assertEqual(iter(T((1,2))).next(), 1) def test_repeat(self): for m in xrange(4): s = tuple(range(m)) for n in xrange(-3, 5): self.assertEqual(self.type2test(s*n), self.type2test(s)*n) self.assertEqual(self.type2test(s)*(-4), self.type2test([])) self.assertEqual(id(s), id(s*1)) def test_subscript(self): a = self.type2test([10, 11]) self.assertEqual(a.__getitem__(0L), 10) self.assertEqual(a.__getitem__(1L), 11) self.assertEqual(a.__getitem__(-2L), 10) self.assertEqual(a.__getitem__(-1L), 11) self.assertRaises(IndexError, a.__getitem__, -3) self.assertRaises(IndexError, a.__getitem__, 3) self.assertEqual(a.__getitem__(slice(0,1)), self.type2test([10])) self.assertEqual(a.__getitem__(slice(1,2)), self.type2test([11])) self.assertEqual(a.__getitem__(slice(0,2)), self.type2test([10, 11])) self.assertEqual(a.__getitem__(slice(0,3)), self.type2test([10, 11])) self.assertEqual(a.__getitem__(slice(3,5)), self.type2test([])) self.assertRaises(ValueError, a.__getitem__, slice(0, 10, 0)) self.assertRaises(TypeError, a.__getitem__, 'x')