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Diffstat (limited to 'lib/python2.7/test/seq_tests.py')
-rw-r--r-- | lib/python2.7/test/seq_tests.py | 392 |
1 files changed, 0 insertions, 392 deletions
diff --git a/lib/python2.7/test/seq_tests.py b/lib/python2.7/test/seq_tests.py deleted file mode 100644 index f5e4e0e..0000000 --- a/lib/python2.7/test/seq_tests.py +++ /dev/null @@ -1,392 +0,0 @@ -""" -Tests common to tuple, list and UserList.UserList -""" - -import unittest -import sys - -# Various iterables -# This is used for checking the constructor (here and in test_deque.py) -def iterfunc(seqn): - 'Regular generator' - for i in seqn: - yield i - -class Sequence: - 'Sequence using __getitem__' - def __init__(self, seqn): - self.seqn = seqn - def __getitem__(self, i): - return self.seqn[i] - -class IterFunc: - 'Sequence using iterator protocol' - def __init__(self, seqn): - self.seqn = seqn - self.i = 0 - def __iter__(self): - return self - def next(self): - if self.i >= len(self.seqn): raise StopIteration - v = self.seqn[self.i] - self.i += 1 - return v - -class IterGen: - 'Sequence using iterator protocol defined with a generator' - def __init__(self, seqn): - self.seqn = seqn - self.i = 0 - def __iter__(self): - for val in self.seqn: - yield val - -class IterNextOnly: - 'Missing __getitem__ and __iter__' - def __init__(self, seqn): - self.seqn = seqn - self.i = 0 - def next(self): - if self.i >= len(self.seqn): raise StopIteration - v = self.seqn[self.i] - self.i += 1 - return v - -class IterNoNext: - 'Iterator missing next()' - def __init__(self, seqn): - self.seqn = seqn - self.i = 0 - def __iter__(self): - return self - -class IterGenExc: - 'Test propagation of exceptions' - def __init__(self, seqn): - self.seqn = seqn - self.i = 0 - def __iter__(self): - return self - def next(self): - 3 // 0 - -class IterFuncStop: - 'Test immediate stop' - def __init__(self, seqn): - pass - def __iter__(self): - return self - def next(self): - raise StopIteration - -from itertools import chain, imap -def itermulti(seqn): - 'Test multiple tiers of iterators' - return chain(imap(lambda x:x, iterfunc(IterGen(Sequence(seqn))))) - -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)) - - # Create from various iteratables - for s in ("123", "", range(1000), ('do', 1.2), xrange(2000,2200,5)): - for g in (Sequence, IterFunc, IterGen, - itermulti, iterfunc): - self.assertEqual(self.type2test(g(s)), self.type2test(s)) - self.assertEqual(self.type2test(IterFuncStop(s)), self.type2test()) - self.assertEqual(self.type2test(c for c in "123"), self.type2test("123")) - self.assertRaises(TypeError, self.type2test, IterNextOnly(s)) - self.assertRaises(TypeError, self.type2test, IterNoNext(s)) - self.assertRaises(ZeroDivisionError, self.type2test, IterGenExc(s)) - - def test_truth(self): - self.assertFalse(self.type2test()) - self.assertTrue(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.assertIn(i, u) - for i in min(u)-1, max(u)+1: - self.assertNotIn(i, u) - - self.assertRaises(TypeError, u.__contains__) - - def test_contains_fake(self): - class AllEq: - # Sequences must use rich comparison against each item - # (unless "is" is true, or an earlier item answered) - # So instances of AllEq must be found in all non-empty sequences. - def __eq__(self, other): - return True - __hash__ = None # Can't meet hash invariant requirements - self.assertNotIn(AllEq(), self.type2test([])) - self.assertIn(AllEq(), self.type2test([1])) - - def test_contains_order(self): - # Sequences must test in-order. If a rich comparison has side - # effects, these will be visible to tests against later members. - # In this test, the "side effect" is a short-circuiting raise. - class DoNotTestEq(Exception): - pass - class StopCompares: - def __eq__(self, other): - raise DoNotTestEq - - checkfirst = self.type2test([1, StopCompares()]) - self.assertIn(1, checkfirst) - checklast = self.type2test([StopCompares(), 1]) - self.assertRaises(DoNotTestEq, checklast.__contains__, 1) - - 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.assertIsNot(u3, 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_bigrepeat(self): - import sys - if sys.maxint <= 2147483647: - x = self.type2test([0]) - x *= 2**16 - self.assertRaises(MemoryError, x.__mul__, 2**16) - if hasattr(x, '__imul__'): - self.assertRaises(MemoryError, x.__imul__, 2**16) - - 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') - - 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) |