| #! /usr/bin/env python | |
| """Test the arraymodule. | |
| Roger E. Masse | |
| """ | |
| import unittest | |
| from test import test_support | |
| from weakref import proxy | |
| import array, cStringIO | |
| from cPickle import loads, dumps, HIGHEST_PROTOCOL | |
| class ArraySubclass(array.array): | |
| pass | |
| class ArraySubclassWithKwargs(array.array): | |
| def __init__(self, typecode, newarg=None): | |
| array.array.__init__(self, typecode) | |
| tests = [] # list to accumulate all tests | |
| typecodes = "cubBhHiIlLfd" | |
| class BadConstructorTest(unittest.TestCase): | |
| def test_constructor(self): | |
| self.assertRaises(TypeError, array.array) | |
| self.assertRaises(TypeError, array.array, spam=42) | |
| self.assertRaises(TypeError, array.array, 'xx') | |
| self.assertRaises(ValueError, array.array, 'x') | |
| tests.append(BadConstructorTest) | |
| class BaseTest(unittest.TestCase): | |
| # Required class attributes (provided by subclasses | |
| # typecode: the typecode to test | |
| # example: an initializer usable in the constructor for this type | |
| # smallerexample: the same length as example, but smaller | |
| # biggerexample: the same length as example, but bigger | |
| # outside: An entry that is not in example | |
| # minitemsize: the minimum guaranteed itemsize | |
| def assertEntryEqual(self, entry1, entry2): | |
| self.assertEqual(entry1, entry2) | |
| def badtypecode(self): | |
| # Return a typecode that is different from our own | |
| return typecodes[(typecodes.index(self.typecode)+1) % len(typecodes)] | |
| def test_constructor(self): | |
| a = array.array(self.typecode) | |
| self.assertEqual(a.typecode, self.typecode) | |
| self.assertTrue(a.itemsize>=self.minitemsize) | |
| self.assertRaises(TypeError, array.array, self.typecode, None) | |
| def test_len(self): | |
| a = array.array(self.typecode) | |
| a.append(self.example[0]) | |
| self.assertEqual(len(a), 1) | |
| a = array.array(self.typecode, self.example) | |
| self.assertEqual(len(a), len(self.example)) | |
| def test_buffer_info(self): | |
| a = array.array(self.typecode, self.example) | |
| self.assertRaises(TypeError, a.buffer_info, 42) | |
| bi = a.buffer_info() | |
| self.assertIsInstance(bi, tuple) | |
| self.assertEqual(len(bi), 2) | |
| self.assertIsInstance(bi[0], (int, long)) | |
| self.assertIsInstance(bi[1], int) | |
| self.assertEqual(bi[1], len(a)) | |
| def test_byteswap(self): | |
| a = array.array(self.typecode, self.example) | |
| self.assertRaises(TypeError, a.byteswap, 42) | |
| if a.itemsize in (1, 2, 4, 8): | |
| b = array.array(self.typecode, self.example) | |
| b.byteswap() | |
| if a.itemsize==1: | |
| self.assertEqual(a, b) | |
| else: | |
| self.assertNotEqual(a, b) | |
| b.byteswap() | |
| self.assertEqual(a, b) | |
| def test_copy(self): | |
| import copy | |
| a = array.array(self.typecode, self.example) | |
| b = copy.copy(a) | |
| self.assertNotEqual(id(a), id(b)) | |
| self.assertEqual(a, b) | |
| def test_deepcopy(self): | |
| import copy | |
| a = array.array(self.typecode, self.example) | |
| b = copy.deepcopy(a) | |
| self.assertNotEqual(id(a), id(b)) | |
| self.assertEqual(a, b) | |
| def test_pickle(self): | |
| for protocol in range(HIGHEST_PROTOCOL + 1): | |
| a = array.array(self.typecode, self.example) | |
| b = loads(dumps(a, protocol)) | |
| self.assertNotEqual(id(a), id(b)) | |
| self.assertEqual(a, b) | |
| a = ArraySubclass(self.typecode, self.example) | |
| a.x = 10 | |
| b = loads(dumps(a, protocol)) | |
| self.assertNotEqual(id(a), id(b)) | |
| self.assertEqual(a, b) | |
| self.assertEqual(a.x, b.x) | |
| self.assertEqual(type(a), type(b)) | |
| def test_pickle_for_empty_array(self): | |
| for protocol in range(HIGHEST_PROTOCOL + 1): | |
| a = array.array(self.typecode) | |
| b = loads(dumps(a, protocol)) | |
| self.assertNotEqual(id(a), id(b)) | |
| self.assertEqual(a, b) | |
| a = ArraySubclass(self.typecode) | |
| a.x = 10 | |
| b = loads(dumps(a, protocol)) | |
| self.assertNotEqual(id(a), id(b)) | |
| self.assertEqual(a, b) | |
| self.assertEqual(a.x, b.x) | |
| self.assertEqual(type(a), type(b)) | |
| def test_insert(self): | |
| a = array.array(self.typecode, self.example) | |
| a.insert(0, self.example[0]) | |
| self.assertEqual(len(a), 1+len(self.example)) | |
| self.assertEqual(a[0], a[1]) | |
| self.assertRaises(TypeError, a.insert) | |
| self.assertRaises(TypeError, a.insert, None) | |
| self.assertRaises(TypeError, a.insert, 0, None) | |
| a = array.array(self.typecode, self.example) | |
| a.insert(-1, self.example[0]) | |
| self.assertEqual( | |
| a, | |
| array.array( | |
| self.typecode, | |
| self.example[:-1] + self.example[:1] + self.example[-1:] | |
| ) | |
| ) | |
| a = array.array(self.typecode, self.example) | |
| a.insert(-1000, self.example[0]) | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example[:1] + self.example) | |
| ) | |
| a = array.array(self.typecode, self.example) | |
| a.insert(1000, self.example[0]) | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example + self.example[:1]) | |
| ) | |
| def test_tofromfile(self): | |
| a = array.array(self.typecode, 2*self.example) | |
| self.assertRaises(TypeError, a.tofile) | |
| self.assertRaises(TypeError, a.tofile, cStringIO.StringIO()) | |
| test_support.unlink(test_support.TESTFN) | |
| f = open(test_support.TESTFN, 'wb') | |
| try: | |
| a.tofile(f) | |
| f.close() | |
| b = array.array(self.typecode) | |
| f = open(test_support.TESTFN, 'rb') | |
| self.assertRaises(TypeError, b.fromfile) | |
| self.assertRaises( | |
| TypeError, | |
| b.fromfile, | |
| cStringIO.StringIO(), len(self.example) | |
| ) | |
| b.fromfile(f, len(self.example)) | |
| self.assertEqual(b, array.array(self.typecode, self.example)) | |
| self.assertNotEqual(a, b) | |
| b.fromfile(f, len(self.example)) | |
| self.assertEqual(a, b) | |
| self.assertRaises(EOFError, b.fromfile, f, 1) | |
| f.close() | |
| finally: | |
| if not f.closed: | |
| f.close() | |
| test_support.unlink(test_support.TESTFN) | |
| def test_fromfile_ioerror(self): | |
| # Issue #5395: Check if fromfile raises a proper IOError | |
| # instead of EOFError. | |
| a = array.array(self.typecode) | |
| f = open(test_support.TESTFN, 'wb') | |
| try: | |
| self.assertRaises(IOError, a.fromfile, f, len(self.example)) | |
| finally: | |
| f.close() | |
| test_support.unlink(test_support.TESTFN) | |
| def test_filewrite(self): | |
| a = array.array(self.typecode, 2*self.example) | |
| f = open(test_support.TESTFN, 'wb') | |
| try: | |
| f.write(a) | |
| f.close() | |
| b = array.array(self.typecode) | |
| f = open(test_support.TESTFN, 'rb') | |
| b.fromfile(f, len(self.example)) | |
| self.assertEqual(b, array.array(self.typecode, self.example)) | |
| self.assertNotEqual(a, b) | |
| b.fromfile(f, len(self.example)) | |
| self.assertEqual(a, b) | |
| f.close() | |
| finally: | |
| if not f.closed: | |
| f.close() | |
| test_support.unlink(test_support.TESTFN) | |
| def test_tofromlist(self): | |
| a = array.array(self.typecode, 2*self.example) | |
| b = array.array(self.typecode) | |
| self.assertRaises(TypeError, a.tolist, 42) | |
| self.assertRaises(TypeError, b.fromlist) | |
| self.assertRaises(TypeError, b.fromlist, 42) | |
| self.assertRaises(TypeError, b.fromlist, [None]) | |
| b.fromlist(a.tolist()) | |
| self.assertEqual(a, b) | |
| def test_tofromstring(self): | |
| a = array.array(self.typecode, 2*self.example) | |
| b = array.array(self.typecode) | |
| self.assertRaises(TypeError, a.tostring, 42) | |
| self.assertRaises(TypeError, b.fromstring) | |
| self.assertRaises(TypeError, b.fromstring, 42) | |
| b.fromstring(a.tostring()) | |
| self.assertEqual(a, b) | |
| if a.itemsize>1: | |
| self.assertRaises(ValueError, b.fromstring, "x") | |
| def test_repr(self): | |
| a = array.array(self.typecode, 2*self.example) | |
| self.assertEqual(a, eval(repr(a), {"array": array.array})) | |
| a = array.array(self.typecode) | |
| self.assertEqual(repr(a), "array('%s')" % self.typecode) | |
| def test_str(self): | |
| a = array.array(self.typecode, 2*self.example) | |
| str(a) | |
| def test_cmp(self): | |
| a = array.array(self.typecode, self.example) | |
| self.assertTrue((a == 42) is False) | |
| self.assertTrue((a != 42) is True) | |
| self.assertTrue((a == a) is True) | |
| self.assertTrue((a != a) is False) | |
| self.assertTrue((a < a) is False) | |
| self.assertTrue((a <= a) is True) | |
| self.assertTrue((a > a) is False) | |
| self.assertTrue((a >= a) is True) | |
| al = array.array(self.typecode, self.smallerexample) | |
| ab = array.array(self.typecode, self.biggerexample) | |
| self.assertTrue((a == 2*a) is False) | |
| self.assertTrue((a != 2*a) is True) | |
| self.assertTrue((a < 2*a) is True) | |
| self.assertTrue((a <= 2*a) is True) | |
| self.assertTrue((a > 2*a) is False) | |
| self.assertTrue((a >= 2*a) is False) | |
| self.assertTrue((a == al) is False) | |
| self.assertTrue((a != al) is True) | |
| self.assertTrue((a < al) is False) | |
| self.assertTrue((a <= al) is False) | |
| self.assertTrue((a > al) is True) | |
| self.assertTrue((a >= al) is True) | |
| self.assertTrue((a == ab) is False) | |
| self.assertTrue((a != ab) is True) | |
| self.assertTrue((a < ab) is True) | |
| self.assertTrue((a <= ab) is True) | |
| self.assertTrue((a > ab) is False) | |
| self.assertTrue((a >= ab) is False) | |
| def test_add(self): | |
| a = array.array(self.typecode, self.example) \ | |
| + array.array(self.typecode, self.example[::-1]) | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example + self.example[::-1]) | |
| ) | |
| b = array.array(self.badtypecode()) | |
| self.assertRaises(TypeError, a.__add__, b) | |
| self.assertRaises(TypeError, a.__add__, "bad") | |
| def test_iadd(self): | |
| a = array.array(self.typecode, self.example[::-1]) | |
| b = a | |
| a += array.array(self.typecode, 2*self.example) | |
| self.assertTrue(a is b) | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example[::-1]+2*self.example) | |
| ) | |
| a = array.array(self.typecode, self.example) | |
| a += a | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example + self.example) | |
| ) | |
| b = array.array(self.badtypecode()) | |
| self.assertRaises(TypeError, a.__add__, b) | |
| self.assertRaises(TypeError, a.__iadd__, "bad") | |
| def test_mul(self): | |
| a = 5*array.array(self.typecode, self.example) | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, 5*self.example) | |
| ) | |
| a = array.array(self.typecode, self.example)*5 | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example*5) | |
| ) | |
| a = 0*array.array(self.typecode, self.example) | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode) | |
| ) | |
| a = (-1)*array.array(self.typecode, self.example) | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode) | |
| ) | |
| self.assertRaises(TypeError, a.__mul__, "bad") | |
| def test_imul(self): | |
| a = array.array(self.typecode, self.example) | |
| b = a | |
| a *= 5 | |
| self.assertTrue(a is b) | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, 5*self.example) | |
| ) | |
| a *= 0 | |
| self.assertTrue(a is b) | |
| self.assertEqual(a, array.array(self.typecode)) | |
| a *= 1000 | |
| self.assertTrue(a is b) | |
| self.assertEqual(a, array.array(self.typecode)) | |
| a *= -1 | |
| self.assertTrue(a is b) | |
| self.assertEqual(a, array.array(self.typecode)) | |
| a = array.array(self.typecode, self.example) | |
| a *= -1 | |
| self.assertEqual(a, array.array(self.typecode)) | |
| self.assertRaises(TypeError, a.__imul__, "bad") | |
| def test_getitem(self): | |
| a = array.array(self.typecode, self.example) | |
| self.assertEntryEqual(a[0], self.example[0]) | |
| self.assertEntryEqual(a[0L], self.example[0]) | |
| self.assertEntryEqual(a[-1], self.example[-1]) | |
| self.assertEntryEqual(a[-1L], self.example[-1]) | |
| self.assertEntryEqual(a[len(self.example)-1], self.example[-1]) | |
| self.assertEntryEqual(a[-len(self.example)], self.example[0]) | |
| self.assertRaises(TypeError, a.__getitem__) | |
| self.assertRaises(IndexError, a.__getitem__, len(self.example)) | |
| self.assertRaises(IndexError, a.__getitem__, -len(self.example)-1) | |
| def test_setitem(self): | |
| a = array.array(self.typecode, self.example) | |
| a[0] = a[-1] | |
| self.assertEntryEqual(a[0], a[-1]) | |
| a = array.array(self.typecode, self.example) | |
| a[0L] = a[-1] | |
| self.assertEntryEqual(a[0], a[-1]) | |
| a = array.array(self.typecode, self.example) | |
| a[-1] = a[0] | |
| self.assertEntryEqual(a[0], a[-1]) | |
| a = array.array(self.typecode, self.example) | |
| a[-1L] = a[0] | |
| self.assertEntryEqual(a[0], a[-1]) | |
| a = array.array(self.typecode, self.example) | |
| a[len(self.example)-1] = a[0] | |
| self.assertEntryEqual(a[0], a[-1]) | |
| a = array.array(self.typecode, self.example) | |
| a[-len(self.example)] = a[-1] | |
| self.assertEntryEqual(a[0], a[-1]) | |
| self.assertRaises(TypeError, a.__setitem__) | |
| self.assertRaises(TypeError, a.__setitem__, None) | |
| self.assertRaises(TypeError, a.__setitem__, 0, None) | |
| self.assertRaises( | |
| IndexError, | |
| a.__setitem__, | |
| len(self.example), self.example[0] | |
| ) | |
| self.assertRaises( | |
| IndexError, | |
| a.__setitem__, | |
| -len(self.example)-1, self.example[0] | |
| ) | |
| def test_delitem(self): | |
| a = array.array(self.typecode, self.example) | |
| del a[0] | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example[1:]) | |
| ) | |
| a = array.array(self.typecode, self.example) | |
| del a[-1] | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example[:-1]) | |
| ) | |
| a = array.array(self.typecode, self.example) | |
| del a[len(self.example)-1] | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example[:-1]) | |
| ) | |
| a = array.array(self.typecode, self.example) | |
| del a[-len(self.example)] | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example[1:]) | |
| ) | |
| self.assertRaises(TypeError, a.__delitem__) | |
| self.assertRaises(TypeError, a.__delitem__, None) | |
| self.assertRaises(IndexError, a.__delitem__, len(self.example)) | |
| self.assertRaises(IndexError, a.__delitem__, -len(self.example)-1) | |
| def test_getslice(self): | |
| a = array.array(self.typecode, self.example) | |
| self.assertEqual(a[:], a) | |
| self.assertEqual( | |
| a[1:], | |
| array.array(self.typecode, self.example[1:]) | |
| ) | |
| self.assertEqual( | |
| a[:1], | |
| array.array(self.typecode, self.example[:1]) | |
| ) | |
| self.assertEqual( | |
| a[:-1], | |
| array.array(self.typecode, self.example[:-1]) | |
| ) | |
| self.assertEqual( | |
| a[-1:], | |
| array.array(self.typecode, self.example[-1:]) | |
| ) | |
| self.assertEqual( | |
| a[-1:-1], | |
| array.array(self.typecode) | |
| ) | |
| self.assertEqual( | |
| a[2:1], | |
| array.array(self.typecode) | |
| ) | |
| self.assertEqual( | |
| a[1000:], | |
| array.array(self.typecode) | |
| ) | |
| self.assertEqual(a[-1000:], a) | |
| self.assertEqual(a[:1000], a) | |
| self.assertEqual( | |
| a[:-1000], | |
| array.array(self.typecode) | |
| ) | |
| self.assertEqual(a[-1000:1000], a) | |
| self.assertEqual( | |
| a[2000:1000], | |
| array.array(self.typecode) | |
| ) | |
| def test_extended_getslice(self): | |
| # Test extended slicing by comparing with list slicing | |
| # (Assumes list conversion works correctly, too) | |
| a = array.array(self.typecode, self.example) | |
| indices = (0, None, 1, 3, 19, 100, -1, -2, -31, -100) | |
| for start in indices: | |
| for stop in indices: | |
| # Everything except the initial 0 (invalid step) | |
| for step in indices[1:]: | |
| self.assertEqual(list(a[start:stop:step]), | |
| list(a)[start:stop:step]) | |
| def test_setslice(self): | |
| a = array.array(self.typecode, self.example) | |
| a[:1] = a | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example + self.example[1:]) | |
| ) | |
| a = array.array(self.typecode, self.example) | |
| a[:-1] = a | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example + self.example[-1:]) | |
| ) | |
| a = array.array(self.typecode, self.example) | |
| a[-1:] = a | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example[:-1] + self.example) | |
| ) | |
| a = array.array(self.typecode, self.example) | |
| a[1:] = a | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example[:1] + self.example) | |
| ) | |
| a = array.array(self.typecode, self.example) | |
| a[1:-1] = a | |
| self.assertEqual( | |
| a, | |
| array.array( | |
| self.typecode, | |
| self.example[:1] + self.example + self.example[-1:] | |
| ) | |
| ) | |
| a = array.array(self.typecode, self.example) | |
| a[1000:] = a | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, 2*self.example) | |
| ) | |
| a = array.array(self.typecode, self.example) | |
| a[-1000:] = a | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example) | |
| ) | |
| a = array.array(self.typecode, self.example) | |
| a[:1000] = a | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example) | |
| ) | |
| a = array.array(self.typecode, self.example) | |
| a[:-1000] = a | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, 2*self.example) | |
| ) | |
| a = array.array(self.typecode, self.example) | |
| a[1:0] = a | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example[:1] + self.example + self.example[1:]) | |
| ) | |
| a = array.array(self.typecode, self.example) | |
| a[2000:1000] = a | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, 2*self.example) | |
| ) | |
| a = array.array(self.typecode, self.example) | |
| self.assertRaises(TypeError, a.__setslice__, 0, 0, None) | |
| self.assertRaises(TypeError, a.__setitem__, slice(0, 0), None) | |
| self.assertRaises(TypeError, a.__setitem__, slice(0, 1), None) | |
| b = array.array(self.badtypecode()) | |
| self.assertRaises(TypeError, a.__setslice__, 0, 0, b) | |
| self.assertRaises(TypeError, a.__setitem__, slice(0, 0), b) | |
| self.assertRaises(TypeError, a.__setitem__, slice(0, 1), b) | |
| def test_extended_set_del_slice(self): | |
| indices = (0, None, 1, 3, 19, 100, -1, -2, -31, -100) | |
| for start in indices: | |
| for stop in indices: | |
| # Everything except the initial 0 (invalid step) | |
| for step in indices[1:]: | |
| a = array.array(self.typecode, self.example) | |
| L = list(a) | |
| # Make sure we have a slice of exactly the right length, | |
| # but with (hopefully) different data. | |
| data = L[start:stop:step] | |
| data.reverse() | |
| L[start:stop:step] = data | |
| a[start:stop:step] = array.array(self.typecode, data) | |
| self.assertEqual(a, array.array(self.typecode, L)) | |
| del L[start:stop:step] | |
| del a[start:stop:step] | |
| self.assertEqual(a, array.array(self.typecode, L)) | |
| def test_index(self): | |
| example = 2*self.example | |
| a = array.array(self.typecode, example) | |
| self.assertRaises(TypeError, a.index) | |
| for x in example: | |
| self.assertEqual(a.index(x), example.index(x)) | |
| self.assertRaises(ValueError, a.index, None) | |
| self.assertRaises(ValueError, a.index, self.outside) | |
| def test_count(self): | |
| example = 2*self.example | |
| a = array.array(self.typecode, example) | |
| self.assertRaises(TypeError, a.count) | |
| for x in example: | |
| self.assertEqual(a.count(x), example.count(x)) | |
| self.assertEqual(a.count(self.outside), 0) | |
| self.assertEqual(a.count(None), 0) | |
| def test_remove(self): | |
| for x in self.example: | |
| example = 2*self.example | |
| a = array.array(self.typecode, example) | |
| pos = example.index(x) | |
| example2 = example[:pos] + example[pos+1:] | |
| a.remove(x) | |
| self.assertEqual(a, array.array(self.typecode, example2)) | |
| a = array.array(self.typecode, self.example) | |
| self.assertRaises(ValueError, a.remove, self.outside) | |
| self.assertRaises(ValueError, a.remove, None) | |
| def test_pop(self): | |
| a = array.array(self.typecode) | |
| self.assertRaises(IndexError, a.pop) | |
| a = array.array(self.typecode, 2*self.example) | |
| self.assertRaises(TypeError, a.pop, 42, 42) | |
| self.assertRaises(TypeError, a.pop, None) | |
| self.assertRaises(IndexError, a.pop, len(a)) | |
| self.assertRaises(IndexError, a.pop, -len(a)-1) | |
| self.assertEntryEqual(a.pop(0), self.example[0]) | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example[1:]+self.example) | |
| ) | |
| self.assertEntryEqual(a.pop(1), self.example[2]) | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example[1:2]+self.example[3:]+self.example) | |
| ) | |
| self.assertEntryEqual(a.pop(0), self.example[1]) | |
| self.assertEntryEqual(a.pop(), self.example[-1]) | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example[3:]+self.example[:-1]) | |
| ) | |
| def test_reverse(self): | |
| a = array.array(self.typecode, self.example) | |
| self.assertRaises(TypeError, a.reverse, 42) | |
| a.reverse() | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example[::-1]) | |
| ) | |
| def test_extend(self): | |
| a = array.array(self.typecode, self.example) | |
| self.assertRaises(TypeError, a.extend) | |
| a.extend(array.array(self.typecode, self.example[::-1])) | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example+self.example[::-1]) | |
| ) | |
| a = array.array(self.typecode, self.example) | |
| a.extend(a) | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example+self.example) | |
| ) | |
| b = array.array(self.badtypecode()) | |
| self.assertRaises(TypeError, a.extend, b) | |
| a = array.array(self.typecode, self.example) | |
| a.extend(self.example[::-1]) | |
| self.assertEqual( | |
| a, | |
| array.array(self.typecode, self.example+self.example[::-1]) | |
| ) | |
| def test_constructor_with_iterable_argument(self): | |
| a = array.array(self.typecode, iter(self.example)) | |
| b = array.array(self.typecode, self.example) | |
| self.assertEqual(a, b) | |
| # non-iterable argument | |
| self.assertRaises(TypeError, array.array, self.typecode, 10) | |
| # pass through errors raised in __iter__ | |
| class A: | |
| def __iter__(self): | |
| raise UnicodeError | |
| self.assertRaises(UnicodeError, array.array, self.typecode, A()) | |
| # pass through errors raised in next() | |
| def B(): | |
| raise UnicodeError | |
| yield None | |
| self.assertRaises(UnicodeError, array.array, self.typecode, B()) | |
| def test_coveritertraverse(self): | |
| try: | |
| import gc | |
| except ImportError: | |
| return | |
| a = array.array(self.typecode) | |
| l = [iter(a)] | |
| l.append(l) | |
| gc.collect() | |
| def test_buffer(self): | |
| a = array.array(self.typecode, self.example) | |
| with test_support.check_py3k_warnings(): | |
| b = buffer(a) | |
| self.assertEqual(b[0], a.tostring()[0]) | |
| def test_weakref(self): | |
| s = array.array(self.typecode, self.example) | |
| p = proxy(s) | |
| self.assertEqual(p.tostring(), s.tostring()) | |
| s = None | |
| self.assertRaises(ReferenceError, len, p) | |
| def test_bug_782369(self): | |
| import sys | |
| if hasattr(sys, "getrefcount"): | |
| for i in range(10): | |
| b = array.array('B', range(64)) | |
| rc = sys.getrefcount(10) | |
| for i in range(10): | |
| b = array.array('B', range(64)) | |
| self.assertEqual(rc, sys.getrefcount(10)) | |
| def test_subclass_with_kwargs(self): | |
| # SF bug #1486663 -- this used to erroneously raise a TypeError | |
| ArraySubclassWithKwargs('b', newarg=1) | |
| class StringTest(BaseTest): | |
| def test_setitem(self): | |
| super(StringTest, self).test_setitem() | |
| a = array.array(self.typecode, self.example) | |
| self.assertRaises(TypeError, a.__setitem__, 0, self.example[:2]) | |
| class CharacterTest(StringTest): | |
| typecode = 'c' | |
| example = '\x01azAZ\x00\xfe' | |
| smallerexample = '\x01azAY\x00\xfe' | |
| biggerexample = '\x01azAZ\x00\xff' | |
| outside = '\x33' | |
| minitemsize = 1 | |
| def test_subbclassing(self): | |
| class EditableString(array.array): | |
| def __new__(cls, s, *args, **kwargs): | |
| return array.array.__new__(cls, 'c', s) | |
| def __init__(self, s, color='blue'): | |
| self.color = color | |
| def strip(self): | |
| self[:] = array.array('c', self.tostring().strip()) | |
| def __repr__(self): | |
| return 'EditableString(%r)' % self.tostring() | |
| s = EditableString("\ttest\r\n") | |
| s.strip() | |
| self.assertEqual(s.tostring(), "test") | |
| self.assertEqual(s.color, "blue") | |
| s.color = "red" | |
| self.assertEqual(s.color, "red") | |
| self.assertEqual(s.__dict__.keys(), ["color"]) | |
| def test_nounicode(self): | |
| a = array.array(self.typecode, self.example) | |
| self.assertRaises(ValueError, a.fromunicode, unicode('')) | |
| self.assertRaises(ValueError, a.tounicode) | |
| tests.append(CharacterTest) | |
| if test_support.have_unicode: | |
| class UnicodeTest(StringTest): | |
| typecode = 'u' | |
| example = unicode(r'\x01\u263a\x00\ufeff', 'unicode-escape') | |
| smallerexample = unicode(r'\x01\u263a\x00\ufefe', 'unicode-escape') | |
| biggerexample = unicode(r'\x01\u263a\x01\ufeff', 'unicode-escape') | |
| outside = unicode('\x33') | |
| minitemsize = 2 | |
| def test_unicode(self): | |
| self.assertRaises(TypeError, array.array, 'b', unicode('foo', 'ascii')) | |
| a = array.array('u', unicode(r'\xa0\xc2\u1234', 'unicode-escape')) | |
| a.fromunicode(unicode(' ', 'ascii')) | |
| a.fromunicode(unicode('', 'ascii')) | |
| a.fromunicode(unicode('', 'ascii')) | |
| a.fromunicode(unicode(r'\x11abc\xff\u1234', 'unicode-escape')) | |
| s = a.tounicode() | |
| self.assertEqual( | |
| s, | |
| unicode(r'\xa0\xc2\u1234 \x11abc\xff\u1234', 'unicode-escape') | |
| ) | |
| s = unicode(r'\x00="\'a\\b\x80\xff\u0000\u0001\u1234', 'unicode-escape') | |
| a = array.array('u', s) | |
| self.assertEqual( | |
| repr(a), | |
| r"""array('u', u'\x00="\'a\\b\x80\xff\x00\x01\u1234')""" | |
| ) | |
| self.assertRaises(TypeError, a.fromunicode) | |
| tests.append(UnicodeTest) | |
| class NumberTest(BaseTest): | |
| def test_extslice(self): | |
| a = array.array(self.typecode, range(5)) | |
| self.assertEqual(a[::], a) | |
| self.assertEqual(a[::2], array.array(self.typecode, [0,2,4])) | |
| self.assertEqual(a[1::2], array.array(self.typecode, [1,3])) | |
| self.assertEqual(a[::-1], array.array(self.typecode, [4,3,2,1,0])) | |
| self.assertEqual(a[::-2], array.array(self.typecode, [4,2,0])) | |
| self.assertEqual(a[3::-2], array.array(self.typecode, [3,1])) | |
| self.assertEqual(a[-100:100:], a) | |
| self.assertEqual(a[100:-100:-1], a[::-1]) | |
| self.assertEqual(a[-100L:100L:2L], array.array(self.typecode, [0,2,4])) | |
| self.assertEqual(a[1000:2000:2], array.array(self.typecode, [])) | |
| self.assertEqual(a[-1000:-2000:-2], array.array(self.typecode, [])) | |
| def test_delslice(self): | |
| a = array.array(self.typecode, range(5)) | |
| del a[::2] | |
| self.assertEqual(a, array.array(self.typecode, [1,3])) | |
| a = array.array(self.typecode, range(5)) | |
| del a[1::2] | |
| self.assertEqual(a, array.array(self.typecode, [0,2,4])) | |
| a = array.array(self.typecode, range(5)) | |
| del a[1::-2] | |
| self.assertEqual(a, array.array(self.typecode, [0,2,3,4])) | |
| a = array.array(self.typecode, range(10)) | |
| del a[::1000] | |
| self.assertEqual(a, array.array(self.typecode, [1,2,3,4,5,6,7,8,9])) | |
| # test issue7788 | |
| a = array.array(self.typecode, range(10)) | |
| del a[9::1<<333] | |
| def test_assignment(self): | |
| a = array.array(self.typecode, range(10)) | |
| a[::2] = array.array(self.typecode, [42]*5) | |
| self.assertEqual(a, array.array(self.typecode, [42, 1, 42, 3, 42, 5, 42, 7, 42, 9])) | |
| a = array.array(self.typecode, range(10)) | |
| a[::-4] = array.array(self.typecode, [10]*3) | |
| self.assertEqual(a, array.array(self.typecode, [0, 10, 2, 3, 4, 10, 6, 7, 8 ,10])) | |
| a = array.array(self.typecode, range(4)) | |
| a[::-1] = a | |
| self.assertEqual(a, array.array(self.typecode, [3, 2, 1, 0])) | |
| a = array.array(self.typecode, range(10)) | |
| b = a[:] | |
| c = a[:] | |
| ins = array.array(self.typecode, range(2)) | |
| a[2:3] = ins | |
| b[slice(2,3)] = ins | |
| c[2:3:] = ins | |
| def test_iterationcontains(self): | |
| a = array.array(self.typecode, range(10)) | |
| self.assertEqual(list(a), range(10)) | |
| b = array.array(self.typecode, [20]) | |
| self.assertEqual(a[-1] in a, True) | |
| self.assertEqual(b[0] not in a, True) | |
| def check_overflow(self, lower, upper): | |
| # method to be used by subclasses | |
| # should not overflow assigning lower limit | |
| a = array.array(self.typecode, [lower]) | |
| a[0] = lower | |
| # should overflow assigning less than lower limit | |
| self.assertRaises(OverflowError, array.array, self.typecode, [lower-1]) | |
| self.assertRaises(OverflowError, a.__setitem__, 0, lower-1) | |
| # should not overflow assigning upper limit | |
| a = array.array(self.typecode, [upper]) | |
| a[0] = upper | |
| # should overflow assigning more than upper limit | |
| self.assertRaises(OverflowError, array.array, self.typecode, [upper+1]) | |
| self.assertRaises(OverflowError, a.__setitem__, 0, upper+1) | |
| def test_subclassing(self): | |
| typecode = self.typecode | |
| class ExaggeratingArray(array.array): | |
| __slots__ = ['offset'] | |
| def __new__(cls, typecode, data, offset): | |
| return array.array.__new__(cls, typecode, data) | |
| def __init__(self, typecode, data, offset): | |
| self.offset = offset | |
| def __getitem__(self, i): | |
| return array.array.__getitem__(self, i) + self.offset | |
| a = ExaggeratingArray(self.typecode, [3, 6, 7, 11], 4) | |
| self.assertEntryEqual(a[0], 7) | |
| self.assertRaises(AttributeError, setattr, a, "color", "blue") | |
| class SignedNumberTest(NumberTest): | |
| example = [-1, 0, 1, 42, 0x7f] | |
| smallerexample = [-1, 0, 1, 42, 0x7e] | |
| biggerexample = [-1, 0, 1, 43, 0x7f] | |
| outside = 23 | |
| def test_overflow(self): | |
| a = array.array(self.typecode) | |
| lower = -1 * long(pow(2, a.itemsize * 8 - 1)) | |
| upper = long(pow(2, a.itemsize * 8 - 1)) - 1L | |
| self.check_overflow(lower, upper) | |
| class UnsignedNumberTest(NumberTest): | |
| example = [0, 1, 17, 23, 42, 0xff] | |
| smallerexample = [0, 1, 17, 23, 42, 0xfe] | |
| biggerexample = [0, 1, 17, 23, 43, 0xff] | |
| outside = 0xaa | |
| def test_overflow(self): | |
| a = array.array(self.typecode) | |
| lower = 0 | |
| upper = long(pow(2, a.itemsize * 8)) - 1L | |
| self.check_overflow(lower, upper) | |
| class ByteTest(SignedNumberTest): | |
| typecode = 'b' | |
| minitemsize = 1 | |
| tests.append(ByteTest) | |
| class UnsignedByteTest(UnsignedNumberTest): | |
| typecode = 'B' | |
| minitemsize = 1 | |
| tests.append(UnsignedByteTest) | |
| class ShortTest(SignedNumberTest): | |
| typecode = 'h' | |
| minitemsize = 2 | |
| tests.append(ShortTest) | |
| class UnsignedShortTest(UnsignedNumberTest): | |
| typecode = 'H' | |
| minitemsize = 2 | |
| tests.append(UnsignedShortTest) | |
| class IntTest(SignedNumberTest): | |
| typecode = 'i' | |
| minitemsize = 2 | |
| tests.append(IntTest) | |
| class UnsignedIntTest(UnsignedNumberTest): | |
| typecode = 'I' | |
| minitemsize = 2 | |
| tests.append(UnsignedIntTest) | |
| class LongTest(SignedNumberTest): | |
| typecode = 'l' | |
| minitemsize = 4 | |
| tests.append(LongTest) | |
| class UnsignedLongTest(UnsignedNumberTest): | |
| typecode = 'L' | |
| minitemsize = 4 | |
| tests.append(UnsignedLongTest) | |
| class FPTest(NumberTest): | |
| example = [-42.0, 0, 42, 1e5, -1e10] | |
| smallerexample = [-42.0, 0, 42, 1e5, -2e10] | |
| biggerexample = [-42.0, 0, 42, 1e5, 1e10] | |
| outside = 23 | |
| def assertEntryEqual(self, entry1, entry2): | |
| self.assertAlmostEqual(entry1, entry2) | |
| def test_byteswap(self): | |
| a = array.array(self.typecode, self.example) | |
| self.assertRaises(TypeError, a.byteswap, 42) | |
| if a.itemsize in (1, 2, 4, 8): | |
| b = array.array(self.typecode, self.example) | |
| b.byteswap() | |
| if a.itemsize==1: | |
| self.assertEqual(a, b) | |
| else: | |
| # On alphas treating the byte swapped bit patters as | |
| # floats/doubles results in floating point exceptions | |
| # => compare the 8bit string values instead | |
| self.assertNotEqual(a.tostring(), b.tostring()) | |
| b.byteswap() | |
| self.assertEqual(a, b) | |
| class FloatTest(FPTest): | |
| typecode = 'f' | |
| minitemsize = 4 | |
| tests.append(FloatTest) | |
| class DoubleTest(FPTest): | |
| typecode = 'd' | |
| minitemsize = 8 | |
| def test_alloc_overflow(self): | |
| from sys import maxsize | |
| a = array.array('d', [-1]*65536) | |
| try: | |
| a *= maxsize//65536 + 1 | |
| except MemoryError: | |
| pass | |
| else: | |
| self.fail("Array of size > maxsize created - MemoryError expected") | |
| b = array.array('d', [ 2.71828183, 3.14159265, -1]) | |
| try: | |
| b * (maxsize//3 + 1) | |
| except MemoryError: | |
| pass | |
| else: | |
| self.fail("Array of size > maxsize created - MemoryError expected") | |
| tests.append(DoubleTest) | |
| def test_main(verbose=None): | |
| import sys | |
| test_support.run_unittest(*tests) | |
| # verify reference counting | |
| if verbose and hasattr(sys, "gettotalrefcount"): | |
| import gc | |
| counts = [None] * 5 | |
| for i in xrange(len(counts)): | |
| test_support.run_unittest(*tests) | |
| gc.collect() | |
| counts[i] = sys.gettotalrefcount() | |
| print counts | |
| if __name__ == "__main__": | |
| test_main(verbose=True) |