| """ |
| Tests common to list and UserList.UserList |
| """ |
| |
| import sys |
| import os |
| |
| from test import test_support, seq_tests |
| |
| class CommonTest(seq_tests.CommonTest): |
| |
| def test_init(self): |
| # Iterable arg is optional |
| self.assertEqual(self.type2test([]), self.type2test()) |
| |
| # Init clears previous values |
| a = self.type2test([1, 2, 3]) |
| a.__init__() |
| self.assertEqual(a, self.type2test([])) |
| |
| # Init overwrites previous values |
| a = self.type2test([1, 2, 3]) |
| a.__init__([4, 5, 6]) |
| self.assertEqual(a, self.type2test([4, 5, 6])) |
| |
| # Mutables always return a new object |
| b = self.type2test(a) |
| self.assertNotEqual(id(a), id(b)) |
| self.assertEqual(a, b) |
| |
| def test_repr(self): |
| l0 = [] |
| l2 = [0, 1, 2] |
| a0 = self.type2test(l0) |
| a2 = self.type2test(l2) |
| |
| self.assertEqual(str(a0), str(l0)) |
| self.assertEqual(repr(a0), repr(l0)) |
| self.assertEqual(repr(a2), repr(l2)) |
| self.assertEqual(str(a2), "[0, 1, 2]") |
| self.assertEqual(repr(a2), "[0, 1, 2]") |
| |
| a2.append(a2) |
| a2.append(3) |
| self.assertEqual(str(a2), "[0, 1, 2, [...], 3]") |
| self.assertEqual(repr(a2), "[0, 1, 2, [...], 3]") |
| |
| l0 = [] |
| for i in xrange(sys.getrecursionlimit() + 100): |
| l0 = [l0] |
| self.assertRaises(RuntimeError, repr, l0) |
| |
| def test_print(self): |
| d = self.type2test(xrange(200)) |
| d.append(d) |
| d.extend(xrange(200,400)) |
| d.append(d) |
| d.append(400) |
| try: |
| with open(test_support.TESTFN, "wb") as fo: |
| print >> fo, d, |
| with open(test_support.TESTFN, "rb") as fo: |
| self.assertEqual(fo.read(), repr(d)) |
| finally: |
| os.remove(test_support.TESTFN) |
| |
| def test_set_subscript(self): |
| a = self.type2test(range(20)) |
| self.assertRaises(ValueError, a.__setitem__, slice(0, 10, 0), [1,2,3]) |
| self.assertRaises(TypeError, a.__setitem__, slice(0, 10), 1) |
| self.assertRaises(ValueError, a.__setitem__, slice(0, 10, 2), [1,2]) |
| self.assertRaises(TypeError, a.__getitem__, 'x', 1) |
| a[slice(2,10,3)] = [1,2,3] |
| self.assertEqual(a, self.type2test([0, 1, 1, 3, 4, 2, 6, 7, 3, |
| 9, 10, 11, 12, 13, 14, 15, |
| 16, 17, 18, 19])) |
| |
| def test_reversed(self): |
| a = self.type2test(range(20)) |
| r = reversed(a) |
| self.assertEqual(list(r), self.type2test(range(19, -1, -1))) |
| self.assertRaises(StopIteration, r.next) |
| self.assertEqual(list(reversed(self.type2test())), |
| self.type2test()) |
| # Bug 3689: make sure list-reversed-iterator doesn't have __len__ |
| self.assertRaises(TypeError, len, reversed([1,2,3])) |
| |
| def test_setitem(self): |
| a = self.type2test([0, 1]) |
| a[0] = 0 |
| a[1] = 100 |
| self.assertEqual(a, self.type2test([0, 100])) |
| a[-1] = 200 |
| self.assertEqual(a, self.type2test([0, 200])) |
| a[-2] = 100 |
| self.assertEqual(a, self.type2test([100, 200])) |
| self.assertRaises(IndexError, a.__setitem__, -3, 200) |
| self.assertRaises(IndexError, a.__setitem__, 2, 200) |
| |
| a = self.type2test([]) |
| self.assertRaises(IndexError, a.__setitem__, 0, 200) |
| self.assertRaises(IndexError, a.__setitem__, -1, 200) |
| self.assertRaises(TypeError, a.__setitem__) |
| |
| a = self.type2test([0,1,2,3,4]) |
| a[0L] = 1 |
| a[1L] = 2 |
| a[2L] = 3 |
| self.assertEqual(a, self.type2test([1,2,3,3,4])) |
| a[0] = 5 |
| a[1] = 6 |
| a[2] = 7 |
| self.assertEqual(a, self.type2test([5,6,7,3,4])) |
| a[-2L] = 88 |
| a[-1L] = 99 |
| self.assertEqual(a, self.type2test([5,6,7,88,99])) |
| a[-2] = 8 |
| a[-1] = 9 |
| self.assertEqual(a, self.type2test([5,6,7,8,9])) |
| |
| def test_delitem(self): |
| a = self.type2test([0, 1]) |
| del a[1] |
| self.assertEqual(a, [0]) |
| del a[0] |
| self.assertEqual(a, []) |
| |
| a = self.type2test([0, 1]) |
| del a[-2] |
| self.assertEqual(a, [1]) |
| del a[-1] |
| self.assertEqual(a, []) |
| |
| a = self.type2test([0, 1]) |
| self.assertRaises(IndexError, a.__delitem__, -3) |
| self.assertRaises(IndexError, a.__delitem__, 2) |
| |
| a = self.type2test([]) |
| self.assertRaises(IndexError, a.__delitem__, 0) |
| |
| self.assertRaises(TypeError, a.__delitem__) |
| |
| def test_setslice(self): |
| l = [0, 1] |
| a = self.type2test(l) |
| |
| for i in range(-3, 4): |
| a[:i] = l[:i] |
| self.assertEqual(a, l) |
| a2 = a[:] |
| a2[:i] = a[:i] |
| self.assertEqual(a2, a) |
| a[i:] = l[i:] |
| self.assertEqual(a, l) |
| a2 = a[:] |
| a2[i:] = a[i:] |
| self.assertEqual(a2, a) |
| for j in range(-3, 4): |
| a[i:j] = l[i:j] |
| self.assertEqual(a, l) |
| a2 = a[:] |
| a2[i:j] = a[i:j] |
| self.assertEqual(a2, a) |
| |
| aa2 = a2[:] |
| aa2[:0] = [-2, -1] |
| self.assertEqual(aa2, [-2, -1, 0, 1]) |
| aa2[0:] = [] |
| self.assertEqual(aa2, []) |
| |
| a = self.type2test([1, 2, 3, 4, 5]) |
| a[:-1] = a |
| self.assertEqual(a, self.type2test([1, 2, 3, 4, 5, 5])) |
| a = self.type2test([1, 2, 3, 4, 5]) |
| a[1:] = a |
| self.assertEqual(a, self.type2test([1, 1, 2, 3, 4, 5])) |
| a = self.type2test([1, 2, 3, 4, 5]) |
| a[1:-1] = a |
| self.assertEqual(a, self.type2test([1, 1, 2, 3, 4, 5, 5])) |
| |
| a = self.type2test([]) |
| a[:] = tuple(range(10)) |
| self.assertEqual(a, self.type2test(range(10))) |
| |
| self.assertRaises(TypeError, a.__setslice__, 0, 1, 5) |
| self.assertRaises(TypeError, a.__setitem__, slice(0, 1, 5)) |
| |
| self.assertRaises(TypeError, a.__setslice__) |
| self.assertRaises(TypeError, a.__setitem__) |
| |
| def test_delslice(self): |
| a = self.type2test([0, 1]) |
| del a[1:2] |
| del a[0:1] |
| self.assertEqual(a, self.type2test([])) |
| |
| a = self.type2test([0, 1]) |
| del a[1L:2L] |
| del a[0L:1L] |
| self.assertEqual(a, self.type2test([])) |
| |
| a = self.type2test([0, 1]) |
| del a[-2:-1] |
| self.assertEqual(a, self.type2test([1])) |
| |
| a = self.type2test([0, 1]) |
| del a[-2L:-1L] |
| self.assertEqual(a, self.type2test([1])) |
| |
| a = self.type2test([0, 1]) |
| del a[1:] |
| del a[:1] |
| self.assertEqual(a, self.type2test([])) |
| |
| a = self.type2test([0, 1]) |
| del a[1L:] |
| del a[:1L] |
| self.assertEqual(a, self.type2test([])) |
| |
| a = self.type2test([0, 1]) |
| del a[-1:] |
| self.assertEqual(a, self.type2test([0])) |
| |
| a = self.type2test([0, 1]) |
| del a[-1L:] |
| self.assertEqual(a, self.type2test([0])) |
| |
| a = self.type2test([0, 1]) |
| del a[:] |
| self.assertEqual(a, self.type2test([])) |
| |
| def test_append(self): |
| a = self.type2test([]) |
| a.append(0) |
| a.append(1) |
| a.append(2) |
| self.assertEqual(a, self.type2test([0, 1, 2])) |
| |
| self.assertRaises(TypeError, a.append) |
| |
| def test_extend(self): |
| a1 = self.type2test([0]) |
| a2 = self.type2test((0, 1)) |
| a = a1[:] |
| a.extend(a2) |
| self.assertEqual(a, a1 + a2) |
| |
| a.extend(self.type2test([])) |
| self.assertEqual(a, a1 + a2) |
| |
| a.extend(a) |
| self.assertEqual(a, self.type2test([0, 0, 1, 0, 0, 1])) |
| |
| a = self.type2test("spam") |
| a.extend("eggs") |
| self.assertEqual(a, list("spameggs")) |
| |
| self.assertRaises(TypeError, a.extend, None) |
| |
| self.assertRaises(TypeError, a.extend) |
| |
| def test_insert(self): |
| a = self.type2test([0, 1, 2]) |
| a.insert(0, -2) |
| a.insert(1, -1) |
| a.insert(2, 0) |
| self.assertEqual(a, [-2, -1, 0, 0, 1, 2]) |
| |
| b = a[:] |
| b.insert(-2, "foo") |
| b.insert(-200, "left") |
| b.insert(200, "right") |
| self.assertEqual(b, self.type2test(["left",-2,-1,0,0,"foo",1,2,"right"])) |
| |
| self.assertRaises(TypeError, a.insert) |
| |
| def test_pop(self): |
| a = self.type2test([-1, 0, 1]) |
| a.pop() |
| self.assertEqual(a, [-1, 0]) |
| a.pop(0) |
| self.assertEqual(a, [0]) |
| self.assertRaises(IndexError, a.pop, 5) |
| a.pop(0) |
| self.assertEqual(a, []) |
| self.assertRaises(IndexError, a.pop) |
| self.assertRaises(TypeError, a.pop, 42, 42) |
| a = self.type2test([0, 10, 20, 30, 40]) |
| |
| def test_remove(self): |
| a = self.type2test([0, 0, 1]) |
| a.remove(1) |
| self.assertEqual(a, [0, 0]) |
| a.remove(0) |
| self.assertEqual(a, [0]) |
| a.remove(0) |
| self.assertEqual(a, []) |
| |
| self.assertRaises(ValueError, a.remove, 0) |
| |
| self.assertRaises(TypeError, a.remove) |
| |
| class BadExc(Exception): |
| pass |
| |
| class BadCmp: |
| def __eq__(self, other): |
| if other == 2: |
| raise BadExc() |
| return False |
| |
| a = self.type2test([0, 1, 2, 3]) |
| self.assertRaises(BadExc, a.remove, BadCmp()) |
| |
| class BadCmp2: |
| def __eq__(self, other): |
| raise BadExc() |
| |
| d = self.type2test('abcdefghcij') |
| d.remove('c') |
| self.assertEqual(d, self.type2test('abdefghcij')) |
| d.remove('c') |
| self.assertEqual(d, self.type2test('abdefghij')) |
| self.assertRaises(ValueError, d.remove, 'c') |
| self.assertEqual(d, self.type2test('abdefghij')) |
| |
| # Handle comparison errors |
| d = self.type2test(['a', 'b', BadCmp2(), 'c']) |
| e = self.type2test(d) |
| self.assertRaises(BadExc, d.remove, 'c') |
| for x, y in zip(d, e): |
| # verify that original order and values are retained. |
| self.assertIs(x, y) |
| |
| def test_count(self): |
| a = self.type2test([0, 1, 2])*3 |
| self.assertEqual(a.count(0), 3) |
| self.assertEqual(a.count(1), 3) |
| self.assertEqual(a.count(3), 0) |
| |
| self.assertRaises(TypeError, a.count) |
| |
| class BadExc(Exception): |
| pass |
| |
| class BadCmp: |
| def __eq__(self, other): |
| if other == 2: |
| raise BadExc() |
| return False |
| |
| self.assertRaises(BadExc, a.count, BadCmp()) |
| |
| def test_index(self): |
| u = self.type2test([0, 1]) |
| self.assertEqual(u.index(0), 0) |
| self.assertEqual(u.index(1), 1) |
| self.assertRaises(ValueError, u.index, 2) |
| |
| u = self.type2test([-2, -1, 0, 0, 1, 2]) |
| self.assertEqual(u.count(0), 2) |
| self.assertEqual(u.index(0), 2) |
| self.assertEqual(u.index(0, 2), 2) |
| self.assertEqual(u.index(-2, -10), 0) |
| self.assertEqual(u.index(0, 3), 3) |
| self.assertEqual(u.index(0, 3, 4), 3) |
| self.assertRaises(ValueError, u.index, 2, 0, -10) |
| |
| self.assertRaises(TypeError, u.index) |
| |
| class BadExc(Exception): |
| pass |
| |
| class BadCmp: |
| def __eq__(self, other): |
| if other == 2: |
| raise BadExc() |
| return False |
| |
| a = self.type2test([0, 1, 2, 3]) |
| self.assertRaises(BadExc, a.index, BadCmp()) |
| |
| a = self.type2test([-2, -1, 0, 0, 1, 2]) |
| self.assertEqual(a.index(0), 2) |
| self.assertEqual(a.index(0, 2), 2) |
| self.assertEqual(a.index(0, -4), 2) |
| self.assertEqual(a.index(-2, -10), 0) |
| self.assertEqual(a.index(0, 3), 3) |
| self.assertEqual(a.index(0, -3), 3) |
| self.assertEqual(a.index(0, 3, 4), 3) |
| self.assertEqual(a.index(0, -3, -2), 3) |
| self.assertEqual(a.index(0, -4*sys.maxint, 4*sys.maxint), 2) |
| self.assertRaises(ValueError, a.index, 0, 4*sys.maxint,-4*sys.maxint) |
| self.assertRaises(ValueError, a.index, 2, 0, -10) |
| a.remove(0) |
| self.assertRaises(ValueError, a.index, 2, 0, 4) |
| self.assertEqual(a, self.type2test([-2, -1, 0, 1, 2])) |
| |
| # Test modifying the list during index's iteration |
| class EvilCmp: |
| def __init__(self, victim): |
| self.victim = victim |
| def __eq__(self, other): |
| del self.victim[:] |
| return False |
| a = self.type2test() |
| a[:] = [EvilCmp(a) for _ in xrange(100)] |
| # This used to seg fault before patch #1005778 |
| self.assertRaises(ValueError, a.index, None) |
| |
| def test_reverse(self): |
| u = self.type2test([-2, -1, 0, 1, 2]) |
| u2 = u[:] |
| u.reverse() |
| self.assertEqual(u, [2, 1, 0, -1, -2]) |
| u.reverse() |
| self.assertEqual(u, u2) |
| |
| self.assertRaises(TypeError, u.reverse, 42) |
| |
| def test_sort(self): |
| with test_support.check_py3k_warnings( |
| ("the cmp argument is not supported", DeprecationWarning)): |
| self._test_sort() |
| |
| def _test_sort(self): |
| u = self.type2test([1, 0]) |
| u.sort() |
| self.assertEqual(u, [0, 1]) |
| |
| u = self.type2test([2,1,0,-1,-2]) |
| u.sort() |
| self.assertEqual(u, self.type2test([-2,-1,0,1,2])) |
| |
| self.assertRaises(TypeError, u.sort, 42, 42) |
| |
| def revcmp(a, b): |
| return cmp(b, a) |
| u.sort(revcmp) |
| self.assertEqual(u, self.type2test([2,1,0,-1,-2])) |
| |
| # The following dumps core in unpatched Python 1.5: |
| def myComparison(x,y): |
| return cmp(x%3, y%7) |
| z = self.type2test(range(12)) |
| z.sort(myComparison) |
| |
| self.assertRaises(TypeError, z.sort, 2) |
| |
| def selfmodifyingComparison(x,y): |
| z.append(1) |
| return cmp(x, y) |
| self.assertRaises(ValueError, z.sort, selfmodifyingComparison) |
| |
| self.assertRaises(TypeError, z.sort, lambda x, y: 's') |
| |
| self.assertRaises(TypeError, z.sort, 42, 42, 42, 42) |
| |
| def test_slice(self): |
| u = self.type2test("spam") |
| u[:2] = "h" |
| self.assertEqual(u, list("ham")) |
| |
| def test_iadd(self): |
| super(CommonTest, self).test_iadd() |
| u = self.type2test([0, 1]) |
| u2 = u |
| u += [2, 3] |
| self.assertIs(u, u2) |
| |
| u = self.type2test("spam") |
| u += "eggs" |
| self.assertEqual(u, self.type2test("spameggs")) |
| |
| self.assertRaises(TypeError, u.__iadd__, None) |
| |
| def test_imul(self): |
| u = self.type2test([0, 1]) |
| u *= 3 |
| self.assertEqual(u, self.type2test([0, 1, 0, 1, 0, 1])) |
| u *= 0 |
| self.assertEqual(u, self.type2test([])) |
| s = self.type2test([]) |
| oldid = id(s) |
| s *= 10 |
| self.assertEqual(id(s), oldid) |
| |
| def test_extendedslicing(self): |
| # subscript |
| a = self.type2test([0,1,2,3,4]) |
| |
| # deletion |
| del a[::2] |
| self.assertEqual(a, self.type2test([1,3])) |
| a = self.type2test(range(5)) |
| del a[1::2] |
| self.assertEqual(a, self.type2test([0,2,4])) |
| a = self.type2test(range(5)) |
| del a[1::-2] |
| self.assertEqual(a, self.type2test([0,2,3,4])) |
| a = self.type2test(range(10)) |
| del a[::1000] |
| self.assertEqual(a, self.type2test([1, 2, 3, 4, 5, 6, 7, 8, 9])) |
| # assignment |
| a = self.type2test(range(10)) |
| a[::2] = [-1]*5 |
| self.assertEqual(a, self.type2test([-1, 1, -1, 3, -1, 5, -1, 7, -1, 9])) |
| a = self.type2test(range(10)) |
| a[::-4] = [10]*3 |
| self.assertEqual(a, self.type2test([0, 10, 2, 3, 4, 10, 6, 7, 8 ,10])) |
| a = self.type2test(range(4)) |
| a[::-1] = a |
| self.assertEqual(a, self.type2test([3, 2, 1, 0])) |
| a = self.type2test(range(10)) |
| b = a[:] |
| c = a[:] |
| a[2:3] = self.type2test(["two", "elements"]) |
| b[slice(2,3)] = self.type2test(["two", "elements"]) |
| c[2:3:] = self.type2test(["two", "elements"]) |
| self.assertEqual(a, b) |
| self.assertEqual(a, c) |
| a = self.type2test(range(10)) |
| a[::2] = tuple(range(5)) |
| self.assertEqual(a, self.type2test([0, 1, 1, 3, 2, 5, 3, 7, 4, 9])) |
| # test issue7788 |
| a = self.type2test(range(10)) |
| del a[9::1<<333] |
| |
| def test_constructor_exception_handling(self): |
| # Bug #1242657 |
| class F(object): |
| def __iter__(self): |
| raise KeyboardInterrupt |
| self.assertRaises(KeyboardInterrupt, list, F()) |
