| 1 | #! /usr/bin/env python
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| 2 | """Test the arraymodule.
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| 3 | Roger E. Masse
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| 4 | """
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| 5 |
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| 6 | import unittest
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| 7 | import warnings
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| 8 | from test import test_support
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| 9 | from weakref import proxy
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| 10 | import array, cStringIO
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| 11 | from cPickle import loads, dumps, HIGHEST_PROTOCOL
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| 12 |
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| 13 | class ArraySubclass(array.array):
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| 14 | pass
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| 15 |
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| 16 | class ArraySubclassWithKwargs(array.array):
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| 17 | def __init__(self, typecode, newarg=None):
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| 18 | array.array.__init__(self, typecode)
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| 19 |
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| 20 | tests = [] # list to accumulate all tests
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| 21 | typecodes = "cubBhHiIlLfd"
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| 22 |
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| 23 | class BadConstructorTest(unittest.TestCase):
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| 24 |
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| 25 | def test_constructor(self):
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| 26 | self.assertRaises(TypeError, array.array)
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| 27 | self.assertRaises(TypeError, array.array, spam=42)
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| 28 | self.assertRaises(TypeError, array.array, 'xx')
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| 29 | self.assertRaises(ValueError, array.array, 'x')
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| 30 |
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| 31 | tests.append(BadConstructorTest)
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| 32 |
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| 33 | class BaseTest(unittest.TestCase):
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| 34 | # Required class attributes (provided by subclasses
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| 35 | # typecode: the typecode to test
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| 36 | # example: an initializer usable in the constructor for this type
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| 37 | # smallerexample: the same length as example, but smaller
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| 38 | # biggerexample: the same length as example, but bigger
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| 39 | # outside: An entry that is not in example
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| 40 | # minitemsize: the minimum guaranteed itemsize
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| 41 |
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| 42 | def assertEntryEqual(self, entry1, entry2):
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| 43 | self.assertEqual(entry1, entry2)
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| 44 |
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| 45 | def badtypecode(self):
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| 46 | # Return a typecode that is different from our own
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| 47 | return typecodes[(typecodes.index(self.typecode)+1) % len(typecodes)]
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| 48 |
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| 49 | def test_constructor(self):
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| 50 | a = array.array(self.typecode)
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| 51 | self.assertEqual(a.typecode, self.typecode)
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| 52 | self.assertTrue(a.itemsize>=self.minitemsize)
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| 53 | self.assertRaises(TypeError, array.array, self.typecode, None)
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| 54 |
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| 55 | def test_len(self):
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| 56 | a = array.array(self.typecode)
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| 57 | a.append(self.example[0])
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| 58 | self.assertEqual(len(a), 1)
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| 59 |
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| 60 | a = array.array(self.typecode, self.example)
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| 61 | self.assertEqual(len(a), len(self.example))
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| 62 |
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| 63 | def test_buffer_info(self):
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| 64 | a = array.array(self.typecode, self.example)
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| 65 | self.assertRaises(TypeError, a.buffer_info, 42)
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| 66 | bi = a.buffer_info()
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| 67 | self.assertIsInstance(bi, tuple)
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| 68 | self.assertEqual(len(bi), 2)
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| 69 | self.assertIsInstance(bi[0], (int, long))
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| 70 | self.assertIsInstance(bi[1], int)
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| 71 | self.assertEqual(bi[1], len(a))
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| 72 |
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| 73 | def test_byteswap(self):
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| 74 | a = array.array(self.typecode, self.example)
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| 75 | self.assertRaises(TypeError, a.byteswap, 42)
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| 76 | if a.itemsize in (1, 2, 4, 8):
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| 77 | b = array.array(self.typecode, self.example)
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| 78 | b.byteswap()
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| 79 | if a.itemsize==1:
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| 80 | self.assertEqual(a, b)
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| 81 | else:
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| 82 | self.assertNotEqual(a, b)
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| 83 | b.byteswap()
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| 84 | self.assertEqual(a, b)
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| 85 |
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| 86 | def test_copy(self):
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| 87 | import copy
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| 88 | a = array.array(self.typecode, self.example)
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| 89 | b = copy.copy(a)
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| 90 | self.assertNotEqual(id(a), id(b))
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| 91 | self.assertEqual(a, b)
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| 92 |
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| 93 | def test_deepcopy(self):
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| 94 | import copy
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| 95 | a = array.array(self.typecode, self.example)
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| 96 | b = copy.deepcopy(a)
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| 97 | self.assertNotEqual(id(a), id(b))
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| 98 | self.assertEqual(a, b)
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| 99 |
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| 100 | def test_pickle(self):
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| 101 | for protocol in range(HIGHEST_PROTOCOL + 1):
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| 102 | a = array.array(self.typecode, self.example)
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| 103 | b = loads(dumps(a, protocol))
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| 104 | self.assertNotEqual(id(a), id(b))
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| 105 | self.assertEqual(a, b)
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| 106 |
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| 107 | a = ArraySubclass(self.typecode, self.example)
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| 108 | a.x = 10
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| 109 | b = loads(dumps(a, protocol))
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| 110 | self.assertNotEqual(id(a), id(b))
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| 111 | self.assertEqual(a, b)
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| 112 | self.assertEqual(a.x, b.x)
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| 113 | self.assertEqual(type(a), type(b))
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| 114 |
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| 115 | def test_pickle_for_empty_array(self):
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| 116 | for protocol in range(HIGHEST_PROTOCOL + 1):
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| 117 | a = array.array(self.typecode)
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| 118 | b = loads(dumps(a, protocol))
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| 119 | self.assertNotEqual(id(a), id(b))
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| 120 | self.assertEqual(a, b)
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| 121 |
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| 122 | a = ArraySubclass(self.typecode)
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| 123 | a.x = 10
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| 124 | b = loads(dumps(a, protocol))
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| 125 | self.assertNotEqual(id(a), id(b))
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| 126 | self.assertEqual(a, b)
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| 127 | self.assertEqual(a.x, b.x)
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| 128 | self.assertEqual(type(a), type(b))
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| 129 |
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| 130 | def test_insert(self):
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| 131 | a = array.array(self.typecode, self.example)
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| 132 | a.insert(0, self.example[0])
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| 133 | self.assertEqual(len(a), 1+len(self.example))
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| 134 | self.assertEqual(a[0], a[1])
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| 135 | self.assertRaises(TypeError, a.insert)
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| 136 | self.assertRaises(TypeError, a.insert, None)
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| 137 | self.assertRaises(TypeError, a.insert, 0, None)
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| 138 |
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| 139 | a = array.array(self.typecode, self.example)
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| 140 | a.insert(-1, self.example[0])
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| 141 | self.assertEqual(
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| 142 | a,
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| 143 | array.array(
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| 144 | self.typecode,
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| 145 | self.example[:-1] + self.example[:1] + self.example[-1:]
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| 146 | )
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| 147 | )
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| 148 |
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| 149 | a = array.array(self.typecode, self.example)
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| 150 | a.insert(-1000, self.example[0])
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| 151 | self.assertEqual(
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| 152 | a,
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| 153 | array.array(self.typecode, self.example[:1] + self.example)
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| 154 | )
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| 155 |
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| 156 | a = array.array(self.typecode, self.example)
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| 157 | a.insert(1000, self.example[0])
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| 158 | self.assertEqual(
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| 159 | a,
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| 160 | array.array(self.typecode, self.example + self.example[:1])
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| 161 | )
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| 162 |
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| 163 | def test_tofromfile(self):
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| 164 | a = array.array(self.typecode, 2*self.example)
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| 165 | self.assertRaises(TypeError, a.tofile)
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| 166 | self.assertRaises(TypeError, a.tofile, cStringIO.StringIO())
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| 167 | test_support.unlink(test_support.TESTFN)
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| 168 | f = open(test_support.TESTFN, 'wb')
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| 169 | try:
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| 170 | a.tofile(f)
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| 171 | f.close()
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| 172 | b = array.array(self.typecode)
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| 173 | f = open(test_support.TESTFN, 'rb')
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| 174 | self.assertRaises(TypeError, b.fromfile)
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| 175 | self.assertRaises(
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| 176 | TypeError,
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| 177 | b.fromfile,
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| 178 | cStringIO.StringIO(), len(self.example)
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| 179 | )
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| 180 | b.fromfile(f, len(self.example))
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| 181 | self.assertEqual(b, array.array(self.typecode, self.example))
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| 182 | self.assertNotEqual(a, b)
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| 183 | b.fromfile(f, len(self.example))
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| 184 | self.assertEqual(a, b)
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| 185 | self.assertRaises(EOFError, b.fromfile, f, 1)
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| 186 | f.close()
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| 187 | finally:
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| 188 | if not f.closed:
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| 189 | f.close()
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| 190 | test_support.unlink(test_support.TESTFN)
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| 191 |
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| 192 | def test_fromfile_ioerror(self):
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| 193 | # Issue #5395: Check if fromfile raises a proper IOError
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| 194 | # instead of EOFError.
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| 195 | a = array.array(self.typecode)
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| 196 | f = open(test_support.TESTFN, 'wb')
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| 197 | try:
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| 198 | self.assertRaises(IOError, a.fromfile, f, len(self.example))
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| 199 | finally:
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| 200 | f.close()
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| 201 | test_support.unlink(test_support.TESTFN)
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| 202 |
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| 203 | def test_filewrite(self):
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| 204 | a = array.array(self.typecode, 2*self.example)
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| 205 | f = open(test_support.TESTFN, 'wb')
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| 206 | try:
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| 207 | f.write(a)
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| 208 | f.close()
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| 209 | b = array.array(self.typecode)
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| 210 | f = open(test_support.TESTFN, 'rb')
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| 211 | b.fromfile(f, len(self.example))
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| 212 | self.assertEqual(b, array.array(self.typecode, self.example))
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| 213 | self.assertNotEqual(a, b)
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| 214 | b.fromfile(f, len(self.example))
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| 215 | self.assertEqual(a, b)
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| 216 | f.close()
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| 217 | finally:
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| 218 | if not f.closed:
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| 219 | f.close()
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| 220 | test_support.unlink(test_support.TESTFN)
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| 221 |
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| 222 | def test_tofromlist(self):
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| 223 | a = array.array(self.typecode, 2*self.example)
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| 224 | b = array.array(self.typecode)
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| 225 | self.assertRaises(TypeError, a.tolist, 42)
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| 226 | self.assertRaises(TypeError, b.fromlist)
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| 227 | self.assertRaises(TypeError, b.fromlist, 42)
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| 228 | self.assertRaises(TypeError, b.fromlist, [None])
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| 229 | b.fromlist(a.tolist())
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| 230 | self.assertEqual(a, b)
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| 231 |
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| 232 | def test_tofromstring(self):
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| 233 | a = array.array(self.typecode, 2*self.example)
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| 234 | b = array.array(self.typecode)
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| 235 | self.assertRaises(TypeError, a.tostring, 42)
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| 236 | self.assertRaises(TypeError, b.fromstring)
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| 237 | self.assertRaises(TypeError, b.fromstring, 42)
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| 238 | b.fromstring(a.tostring())
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| 239 | self.assertEqual(a, b)
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| 240 | if a.itemsize>1:
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| 241 | self.assertRaises(ValueError, b.fromstring, "x")
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| 242 |
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| 243 | def test_repr(self):
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| 244 | a = array.array(self.typecode, 2*self.example)
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| 245 | self.assertEqual(a, eval(repr(a), {"array": array.array}))
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| 246 |
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| 247 | a = array.array(self.typecode)
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| 248 | self.assertEqual(repr(a), "array('%s')" % self.typecode)
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| 249 |
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| 250 | def test_str(self):
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| 251 | a = array.array(self.typecode, 2*self.example)
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| 252 | str(a)
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| 253 |
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| 254 | def test_cmp(self):
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| 255 | a = array.array(self.typecode, self.example)
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| 256 | self.assertTrue((a == 42) is False)
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| 257 | self.assertTrue((a != 42) is True)
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| 258 |
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| 259 | self.assertTrue((a == a) is True)
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| 260 | self.assertTrue((a != a) is False)
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| 261 | self.assertTrue((a < a) is False)
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| 262 | self.assertTrue((a <= a) is True)
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| 263 | self.assertTrue((a > a) is False)
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| 264 | self.assertTrue((a >= a) is True)
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| 265 |
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| 266 | al = array.array(self.typecode, self.smallerexample)
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| 267 | ab = array.array(self.typecode, self.biggerexample)
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| 268 |
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| 269 | self.assertTrue((a == 2*a) is False)
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| 270 | self.assertTrue((a != 2*a) is True)
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| 271 | self.assertTrue((a < 2*a) is True)
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| 272 | self.assertTrue((a <= 2*a) is True)
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| 273 | self.assertTrue((a > 2*a) is False)
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| 274 | self.assertTrue((a >= 2*a) is False)
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| 275 |
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| 276 | self.assertTrue((a == al) is False)
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| 277 | self.assertTrue((a != al) is True)
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| 278 | self.assertTrue((a < al) is False)
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| 279 | self.assertTrue((a <= al) is False)
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| 280 | self.assertTrue((a > al) is True)
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| 281 | self.assertTrue((a >= al) is True)
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| 282 |
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| 283 | self.assertTrue((a == ab) is False)
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| 284 | self.assertTrue((a != ab) is True)
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| 285 | self.assertTrue((a < ab) is True)
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| 286 | self.assertTrue((a <= ab) is True)
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| 287 | self.assertTrue((a > ab) is False)
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| 288 | self.assertTrue((a >= ab) is False)
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| 289 |
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| 290 | def test_add(self):
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| 291 | a = array.array(self.typecode, self.example) \
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| 292 | + array.array(self.typecode, self.example[::-1])
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| 293 | self.assertEqual(
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| 294 | a,
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| 295 | array.array(self.typecode, self.example + self.example[::-1])
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| 296 | )
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| 297 |
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| 298 | b = array.array(self.badtypecode())
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| 299 | self.assertRaises(TypeError, a.__add__, b)
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| 300 |
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| 301 | self.assertRaises(TypeError, a.__add__, "bad")
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| 302 |
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| 303 | def test_iadd(self):
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| 304 | a = array.array(self.typecode, self.example[::-1])
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| 305 | b = a
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| 306 | a += array.array(self.typecode, 2*self.example)
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| 307 | self.assertTrue(a is b)
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| 308 | self.assertEqual(
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| 309 | a,
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| 310 | array.array(self.typecode, self.example[::-1]+2*self.example)
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| 311 | )
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| 312 | a = array.array(self.typecode, self.example)
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| 313 | a += a
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| 314 | self.assertEqual(
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| 315 | a,
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| 316 | array.array(self.typecode, self.example + self.example)
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| 317 | )
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| 318 |
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| 319 | b = array.array(self.badtypecode())
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| 320 | self.assertRaises(TypeError, a.__add__, b)
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| 321 |
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| 322 | self.assertRaises(TypeError, a.__iadd__, "bad")
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| 323 |
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| 324 | def test_mul(self):
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| 325 | a = 5*array.array(self.typecode, self.example)
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| 326 | self.assertEqual(
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| 327 | a,
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| 328 | array.array(self.typecode, 5*self.example)
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| 329 | )
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| 330 |
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| 331 | a = array.array(self.typecode, self.example)*5
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| 332 | self.assertEqual(
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| 333 | a,
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| 334 | array.array(self.typecode, self.example*5)
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| 335 | )
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| 336 |
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| 337 | a = 0*array.array(self.typecode, self.example)
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| 338 | self.assertEqual(
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| 339 | a,
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| 340 | array.array(self.typecode)
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| 341 | )
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| 342 |
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| 343 | a = (-1)*array.array(self.typecode, self.example)
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| 344 | self.assertEqual(
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| 345 | a,
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| 346 | array.array(self.typecode)
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| 347 | )
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| 348 |
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| 349 | self.assertRaises(TypeError, a.__mul__, "bad")
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| 350 |
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| 351 | def test_imul(self):
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| 352 | a = array.array(self.typecode, self.example)
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| 353 | b = a
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| 354 |
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| 355 | a *= 5
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| 356 | self.assertTrue(a is b)
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| 357 | self.assertEqual(
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| 358 | a,
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| 359 | array.array(self.typecode, 5*self.example)
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| 360 | )
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| 361 |
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| 362 | a *= 0
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| 363 | self.assertTrue(a is b)
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| 364 | self.assertEqual(a, array.array(self.typecode))
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| 365 |
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| 366 | a *= 1000
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| 367 | self.assertTrue(a is b)
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| 368 | self.assertEqual(a, array.array(self.typecode))
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| 369 |
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| 370 | a *= -1
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| 371 | self.assertTrue(a is b)
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| 372 | self.assertEqual(a, array.array(self.typecode))
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| 373 |
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| 374 | a = array.array(self.typecode, self.example)
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| 375 | a *= -1
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| 376 | self.assertEqual(a, array.array(self.typecode))
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| 377 |
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| 378 | self.assertRaises(TypeError, a.__imul__, "bad")
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| 379 |
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| 380 | def test_getitem(self):
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| 381 | a = array.array(self.typecode, self.example)
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| 382 | self.assertEntryEqual(a[0], self.example[0])
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| 383 | self.assertEntryEqual(a[0L], self.example[0])
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| 384 | self.assertEntryEqual(a[-1], self.example[-1])
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| 385 | self.assertEntryEqual(a[-1L], self.example[-1])
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| 386 | self.assertEntryEqual(a[len(self.example)-1], self.example[-1])
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| 387 | self.assertEntryEqual(a[-len(self.example)], self.example[0])
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| 388 | self.assertRaises(TypeError, a.__getitem__)
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| 389 | self.assertRaises(IndexError, a.__getitem__, len(self.example))
|
|---|
| 390 | self.assertRaises(IndexError, a.__getitem__, -len(self.example)-1)
|
|---|
| 391 |
|
|---|
| 392 | def test_setitem(self):
|
|---|
| 393 | a = array.array(self.typecode, self.example)
|
|---|
| 394 | a[0] = a[-1]
|
|---|
| 395 | self.assertEntryEqual(a[0], a[-1])
|
|---|
| 396 |
|
|---|
| 397 | a = array.array(self.typecode, self.example)
|
|---|
| 398 | a[0L] = a[-1]
|
|---|
| 399 | self.assertEntryEqual(a[0], a[-1])
|
|---|
| 400 |
|
|---|
| 401 | a = array.array(self.typecode, self.example)
|
|---|
| 402 | a[-1] = a[0]
|
|---|
| 403 | self.assertEntryEqual(a[0], a[-1])
|
|---|
| 404 |
|
|---|
| 405 | a = array.array(self.typecode, self.example)
|
|---|
| 406 | a[-1L] = a[0]
|
|---|
| 407 | self.assertEntryEqual(a[0], a[-1])
|
|---|
| 408 |
|
|---|
| 409 | a = array.array(self.typecode, self.example)
|
|---|
| 410 | a[len(self.example)-1] = a[0]
|
|---|
| 411 | self.assertEntryEqual(a[0], a[-1])
|
|---|
| 412 |
|
|---|
| 413 | a = array.array(self.typecode, self.example)
|
|---|
| 414 | a[-len(self.example)] = a[-1]
|
|---|
| 415 | self.assertEntryEqual(a[0], a[-1])
|
|---|
| 416 |
|
|---|
| 417 | self.assertRaises(TypeError, a.__setitem__)
|
|---|
| 418 | self.assertRaises(TypeError, a.__setitem__, None)
|
|---|
| 419 | self.assertRaises(TypeError, a.__setitem__, 0, None)
|
|---|
| 420 | self.assertRaises(
|
|---|
| 421 | IndexError,
|
|---|
| 422 | a.__setitem__,
|
|---|
| 423 | len(self.example), self.example[0]
|
|---|
| 424 | )
|
|---|
| 425 | self.assertRaises(
|
|---|
| 426 | IndexError,
|
|---|
| 427 | a.__setitem__,
|
|---|
| 428 | -len(self.example)-1, self.example[0]
|
|---|
| 429 | )
|
|---|
| 430 |
|
|---|
| 431 | def test_delitem(self):
|
|---|
| 432 | a = array.array(self.typecode, self.example)
|
|---|
| 433 | del a[0]
|
|---|
| 434 | self.assertEqual(
|
|---|
| 435 | a,
|
|---|
| 436 | array.array(self.typecode, self.example[1:])
|
|---|
| 437 | )
|
|---|
| 438 |
|
|---|
| 439 | a = array.array(self.typecode, self.example)
|
|---|
| 440 | del a[-1]
|
|---|
| 441 | self.assertEqual(
|
|---|
| 442 | a,
|
|---|
| 443 | array.array(self.typecode, self.example[:-1])
|
|---|
| 444 | )
|
|---|
| 445 |
|
|---|
| 446 | a = array.array(self.typecode, self.example)
|
|---|
| 447 | del a[len(self.example)-1]
|
|---|
| 448 | self.assertEqual(
|
|---|
| 449 | a,
|
|---|
| 450 | array.array(self.typecode, self.example[:-1])
|
|---|
| 451 | )
|
|---|
| 452 |
|
|---|
| 453 | a = array.array(self.typecode, self.example)
|
|---|
| 454 | del a[-len(self.example)]
|
|---|
| 455 | self.assertEqual(
|
|---|
| 456 | a,
|
|---|
| 457 | array.array(self.typecode, self.example[1:])
|
|---|
| 458 | )
|
|---|
| 459 |
|
|---|
| 460 | self.assertRaises(TypeError, a.__delitem__)
|
|---|
| 461 | self.assertRaises(TypeError, a.__delitem__, None)
|
|---|
| 462 | self.assertRaises(IndexError, a.__delitem__, len(self.example))
|
|---|
| 463 | self.assertRaises(IndexError, a.__delitem__, -len(self.example)-1)
|
|---|
| 464 |
|
|---|
| 465 | def test_getslice(self):
|
|---|
| 466 | a = array.array(self.typecode, self.example)
|
|---|
| 467 | self.assertEqual(a[:], a)
|
|---|
| 468 |
|
|---|
| 469 | self.assertEqual(
|
|---|
| 470 | a[1:],
|
|---|
| 471 | array.array(self.typecode, self.example[1:])
|
|---|
| 472 | )
|
|---|
| 473 |
|
|---|
| 474 | self.assertEqual(
|
|---|
| 475 | a[:1],
|
|---|
| 476 | array.array(self.typecode, self.example[:1])
|
|---|
| 477 | )
|
|---|
| 478 |
|
|---|
| 479 | self.assertEqual(
|
|---|
| 480 | a[:-1],
|
|---|
| 481 | array.array(self.typecode, self.example[:-1])
|
|---|
| 482 | )
|
|---|
| 483 |
|
|---|
| 484 | self.assertEqual(
|
|---|
| 485 | a[-1:],
|
|---|
| 486 | array.array(self.typecode, self.example[-1:])
|
|---|
| 487 | )
|
|---|
| 488 |
|
|---|
| 489 | self.assertEqual(
|
|---|
| 490 | a[-1:-1],
|
|---|
| 491 | array.array(self.typecode)
|
|---|
| 492 | )
|
|---|
| 493 |
|
|---|
| 494 | self.assertEqual(
|
|---|
| 495 | a[2:1],
|
|---|
| 496 | array.array(self.typecode)
|
|---|
| 497 | )
|
|---|
| 498 |
|
|---|
| 499 | self.assertEqual(
|
|---|
| 500 | a[1000:],
|
|---|
| 501 | array.array(self.typecode)
|
|---|
| 502 | )
|
|---|
| 503 | self.assertEqual(a[-1000:], a)
|
|---|
| 504 | self.assertEqual(a[:1000], a)
|
|---|
| 505 | self.assertEqual(
|
|---|
| 506 | a[:-1000],
|
|---|
| 507 | array.array(self.typecode)
|
|---|
| 508 | )
|
|---|
| 509 | self.assertEqual(a[-1000:1000], a)
|
|---|
| 510 | self.assertEqual(
|
|---|
| 511 | a[2000:1000],
|
|---|
| 512 | array.array(self.typecode)
|
|---|
| 513 | )
|
|---|
| 514 |
|
|---|
| 515 | def test_extended_getslice(self):
|
|---|
| 516 | # Test extended slicing by comparing with list slicing
|
|---|
| 517 | # (Assumes list conversion works correctly, too)
|
|---|
| 518 | a = array.array(self.typecode, self.example)
|
|---|
| 519 | indices = (0, None, 1, 3, 19, 100, -1, -2, -31, -100)
|
|---|
| 520 | for start in indices:
|
|---|
| 521 | for stop in indices:
|
|---|
| 522 | # Everything except the initial 0 (invalid step)
|
|---|
| 523 | for step in indices[1:]:
|
|---|
| 524 | self.assertEqual(list(a[start:stop:step]),
|
|---|
| 525 | list(a)[start:stop:step])
|
|---|
| 526 |
|
|---|
| 527 | def test_setslice(self):
|
|---|
| 528 | a = array.array(self.typecode, self.example)
|
|---|
| 529 | a[:1] = a
|
|---|
| 530 | self.assertEqual(
|
|---|
| 531 | a,
|
|---|
| 532 | array.array(self.typecode, self.example + self.example[1:])
|
|---|
| 533 | )
|
|---|
| 534 |
|
|---|
| 535 | a = array.array(self.typecode, self.example)
|
|---|
| 536 | a[:-1] = a
|
|---|
| 537 | self.assertEqual(
|
|---|
| 538 | a,
|
|---|
| 539 | array.array(self.typecode, self.example + self.example[-1:])
|
|---|
| 540 | )
|
|---|
| 541 |
|
|---|
| 542 | a = array.array(self.typecode, self.example)
|
|---|
| 543 | a[-1:] = a
|
|---|
| 544 | self.assertEqual(
|
|---|
| 545 | a,
|
|---|
| 546 | array.array(self.typecode, self.example[:-1] + self.example)
|
|---|
| 547 | )
|
|---|
| 548 |
|
|---|
| 549 | a = array.array(self.typecode, self.example)
|
|---|
| 550 | a[1:] = a
|
|---|
| 551 | self.assertEqual(
|
|---|
| 552 | a,
|
|---|
| 553 | array.array(self.typecode, self.example[:1] + self.example)
|
|---|
| 554 | )
|
|---|
| 555 |
|
|---|
| 556 | a = array.array(self.typecode, self.example)
|
|---|
| 557 | a[1:-1] = a
|
|---|
| 558 | self.assertEqual(
|
|---|
| 559 | a,
|
|---|
| 560 | array.array(
|
|---|
| 561 | self.typecode,
|
|---|
| 562 | self.example[:1] + self.example + self.example[-1:]
|
|---|
| 563 | )
|
|---|
| 564 | )
|
|---|
| 565 |
|
|---|
| 566 | a = array.array(self.typecode, self.example)
|
|---|
| 567 | a[1000:] = a
|
|---|
| 568 | self.assertEqual(
|
|---|
| 569 | a,
|
|---|
| 570 | array.array(self.typecode, 2*self.example)
|
|---|
| 571 | )
|
|---|
| 572 |
|
|---|
| 573 | a = array.array(self.typecode, self.example)
|
|---|
| 574 | a[-1000:] = a
|
|---|
| 575 | self.assertEqual(
|
|---|
| 576 | a,
|
|---|
| 577 | array.array(self.typecode, self.example)
|
|---|
| 578 | )
|
|---|
| 579 |
|
|---|
| 580 | a = array.array(self.typecode, self.example)
|
|---|
| 581 | a[:1000] = a
|
|---|
| 582 | self.assertEqual(
|
|---|
| 583 | a,
|
|---|
| 584 | array.array(self.typecode, self.example)
|
|---|
| 585 | )
|
|---|
| 586 |
|
|---|
| 587 | a = array.array(self.typecode, self.example)
|
|---|
| 588 | a[:-1000] = a
|
|---|
| 589 | self.assertEqual(
|
|---|
| 590 | a,
|
|---|
| 591 | array.array(self.typecode, 2*self.example)
|
|---|
| 592 | )
|
|---|
| 593 |
|
|---|
| 594 | a = array.array(self.typecode, self.example)
|
|---|
| 595 | a[1:0] = a
|
|---|
| 596 | self.assertEqual(
|
|---|
| 597 | a,
|
|---|
| 598 | array.array(self.typecode, self.example[:1] + self.example + self.example[1:])
|
|---|
| 599 | )
|
|---|
| 600 |
|
|---|
| 601 | a = array.array(self.typecode, self.example)
|
|---|
| 602 | a[2000:1000] = a
|
|---|
| 603 | self.assertEqual(
|
|---|
| 604 | a,
|
|---|
| 605 | array.array(self.typecode, 2*self.example)
|
|---|
| 606 | )
|
|---|
| 607 |
|
|---|
| 608 | a = array.array(self.typecode, self.example)
|
|---|
| 609 | self.assertRaises(TypeError, a.__setslice__, 0, 0, None)
|
|---|
| 610 | self.assertRaises(TypeError, a.__setitem__, slice(0, 0), None)
|
|---|
| 611 | self.assertRaises(TypeError, a.__setitem__, slice(0, 1), None)
|
|---|
| 612 |
|
|---|
| 613 | b = array.array(self.badtypecode())
|
|---|
| 614 | self.assertRaises(TypeError, a.__setslice__, 0, 0, b)
|
|---|
| 615 | self.assertRaises(TypeError, a.__setitem__, slice(0, 0), b)
|
|---|
| 616 | self.assertRaises(TypeError, a.__setitem__, slice(0, 1), b)
|
|---|
| 617 |
|
|---|
| 618 | def test_extended_set_del_slice(self):
|
|---|
| 619 | indices = (0, None, 1, 3, 19, 100, -1, -2, -31, -100)
|
|---|
| 620 | for start in indices:
|
|---|
| 621 | for stop in indices:
|
|---|
| 622 | # Everything except the initial 0 (invalid step)
|
|---|
| 623 | for step in indices[1:]:
|
|---|
| 624 | a = array.array(self.typecode, self.example)
|
|---|
| 625 | L = list(a)
|
|---|
| 626 | # Make sure we have a slice of exactly the right length,
|
|---|
| 627 | # but with (hopefully) different data.
|
|---|
| 628 | data = L[start:stop:step]
|
|---|
| 629 | data.reverse()
|
|---|
| 630 | L[start:stop:step] = data
|
|---|
| 631 | a[start:stop:step] = array.array(self.typecode, data)
|
|---|
| 632 | self.assertEqual(a, array.array(self.typecode, L))
|
|---|
| 633 |
|
|---|
| 634 | del L[start:stop:step]
|
|---|
| 635 | del a[start:stop:step]
|
|---|
| 636 | self.assertEqual(a, array.array(self.typecode, L))
|
|---|
| 637 |
|
|---|
| 638 | def test_index(self):
|
|---|
| 639 | example = 2*self.example
|
|---|
| 640 | a = array.array(self.typecode, example)
|
|---|
| 641 | self.assertRaises(TypeError, a.index)
|
|---|
| 642 | for x in example:
|
|---|
| 643 | self.assertEqual(a.index(x), example.index(x))
|
|---|
| 644 | self.assertRaises(ValueError, a.index, None)
|
|---|
| 645 | self.assertRaises(ValueError, a.index, self.outside)
|
|---|
| 646 |
|
|---|
| 647 | def test_count(self):
|
|---|
| 648 | example = 2*self.example
|
|---|
| 649 | a = array.array(self.typecode, example)
|
|---|
| 650 | self.assertRaises(TypeError, a.count)
|
|---|
| 651 | for x in example:
|
|---|
| 652 | self.assertEqual(a.count(x), example.count(x))
|
|---|
| 653 | self.assertEqual(a.count(self.outside), 0)
|
|---|
| 654 | self.assertEqual(a.count(None), 0)
|
|---|
| 655 |
|
|---|
| 656 | def test_remove(self):
|
|---|
| 657 | for x in self.example:
|
|---|
| 658 | example = 2*self.example
|
|---|
| 659 | a = array.array(self.typecode, example)
|
|---|
| 660 | pos = example.index(x)
|
|---|
| 661 | example2 = example[:pos] + example[pos+1:]
|
|---|
| 662 | a.remove(x)
|
|---|
| 663 | self.assertEqual(a, array.array(self.typecode, example2))
|
|---|
| 664 |
|
|---|
| 665 | a = array.array(self.typecode, self.example)
|
|---|
| 666 | self.assertRaises(ValueError, a.remove, self.outside)
|
|---|
| 667 |
|
|---|
| 668 | self.assertRaises(ValueError, a.remove, None)
|
|---|
| 669 |
|
|---|
| 670 | def test_pop(self):
|
|---|
| 671 | a = array.array(self.typecode)
|
|---|
| 672 | self.assertRaises(IndexError, a.pop)
|
|---|
| 673 |
|
|---|
| 674 | a = array.array(self.typecode, 2*self.example)
|
|---|
| 675 | self.assertRaises(TypeError, a.pop, 42, 42)
|
|---|
| 676 | self.assertRaises(TypeError, a.pop, None)
|
|---|
| 677 | self.assertRaises(IndexError, a.pop, len(a))
|
|---|
| 678 | self.assertRaises(IndexError, a.pop, -len(a)-1)
|
|---|
| 679 |
|
|---|
| 680 | self.assertEntryEqual(a.pop(0), self.example[0])
|
|---|
| 681 | self.assertEqual(
|
|---|
| 682 | a,
|
|---|
| 683 | array.array(self.typecode, self.example[1:]+self.example)
|
|---|
| 684 | )
|
|---|
| 685 | self.assertEntryEqual(a.pop(1), self.example[2])
|
|---|
| 686 | self.assertEqual(
|
|---|
| 687 | a,
|
|---|
| 688 | array.array(self.typecode, self.example[1:2]+self.example[3:]+self.example)
|
|---|
| 689 | )
|
|---|
| 690 | self.assertEntryEqual(a.pop(0), self.example[1])
|
|---|
| 691 | self.assertEntryEqual(a.pop(), self.example[-1])
|
|---|
| 692 | self.assertEqual(
|
|---|
| 693 | a,
|
|---|
| 694 | array.array(self.typecode, self.example[3:]+self.example[:-1])
|
|---|
| 695 | )
|
|---|
| 696 |
|
|---|
| 697 | def test_reverse(self):
|
|---|
| 698 | a = array.array(self.typecode, self.example)
|
|---|
| 699 | self.assertRaises(TypeError, a.reverse, 42)
|
|---|
| 700 | a.reverse()
|
|---|
| 701 | self.assertEqual(
|
|---|
| 702 | a,
|
|---|
| 703 | array.array(self.typecode, self.example[::-1])
|
|---|
| 704 | )
|
|---|
| 705 |
|
|---|
| 706 | def test_extend(self):
|
|---|
| 707 | a = array.array(self.typecode, self.example)
|
|---|
| 708 | self.assertRaises(TypeError, a.extend)
|
|---|
| 709 | a.extend(array.array(self.typecode, self.example[::-1]))
|
|---|
| 710 | self.assertEqual(
|
|---|
| 711 | a,
|
|---|
| 712 | array.array(self.typecode, self.example+self.example[::-1])
|
|---|
| 713 | )
|
|---|
| 714 |
|
|---|
| 715 | a = array.array(self.typecode, self.example)
|
|---|
| 716 | a.extend(a)
|
|---|
| 717 | self.assertEqual(
|
|---|
| 718 | a,
|
|---|
| 719 | array.array(self.typecode, self.example+self.example)
|
|---|
| 720 | )
|
|---|
| 721 |
|
|---|
| 722 | b = array.array(self.badtypecode())
|
|---|
| 723 | self.assertRaises(TypeError, a.extend, b)
|
|---|
| 724 |
|
|---|
| 725 | a = array.array(self.typecode, self.example)
|
|---|
| 726 | a.extend(self.example[::-1])
|
|---|
| 727 | self.assertEqual(
|
|---|
| 728 | a,
|
|---|
| 729 | array.array(self.typecode, self.example+self.example[::-1])
|
|---|
| 730 | )
|
|---|
| 731 |
|
|---|
| 732 | def test_constructor_with_iterable_argument(self):
|
|---|
| 733 | a = array.array(self.typecode, iter(self.example))
|
|---|
| 734 | b = array.array(self.typecode, self.example)
|
|---|
| 735 | self.assertEqual(a, b)
|
|---|
| 736 |
|
|---|
| 737 | # non-iterable argument
|
|---|
| 738 | self.assertRaises(TypeError, array.array, self.typecode, 10)
|
|---|
| 739 |
|
|---|
| 740 | # pass through errors raised in __iter__
|
|---|
| 741 | class A:
|
|---|
| 742 | def __iter__(self):
|
|---|
| 743 | raise UnicodeError
|
|---|
| 744 | self.assertRaises(UnicodeError, array.array, self.typecode, A())
|
|---|
| 745 |
|
|---|
| 746 | # pass through errors raised in next()
|
|---|
| 747 | def B():
|
|---|
| 748 | raise UnicodeError
|
|---|
| 749 | yield None
|
|---|
| 750 | self.assertRaises(UnicodeError, array.array, self.typecode, B())
|
|---|
| 751 |
|
|---|
| 752 | def test_coveritertraverse(self):
|
|---|
| 753 | try:
|
|---|
| 754 | import gc
|
|---|
| 755 | except ImportError:
|
|---|
| 756 | return
|
|---|
| 757 | a = array.array(self.typecode)
|
|---|
| 758 | l = [iter(a)]
|
|---|
| 759 | l.append(l)
|
|---|
| 760 | gc.collect()
|
|---|
| 761 |
|
|---|
| 762 | def test_buffer(self):
|
|---|
| 763 | a = array.array(self.typecode, self.example)
|
|---|
| 764 | with test_support.check_py3k_warnings():
|
|---|
| 765 | b = buffer(a)
|
|---|
| 766 | self.assertEqual(b[0], a.tostring()[0])
|
|---|
| 767 |
|
|---|
| 768 | def test_weakref(self):
|
|---|
| 769 | s = array.array(self.typecode, self.example)
|
|---|
| 770 | p = proxy(s)
|
|---|
| 771 | self.assertEqual(p.tostring(), s.tostring())
|
|---|
| 772 | s = None
|
|---|
| 773 | self.assertRaises(ReferenceError, len, p)
|
|---|
| 774 |
|
|---|
| 775 | def test_bug_782369(self):
|
|---|
| 776 | import sys
|
|---|
| 777 | if hasattr(sys, "getrefcount"):
|
|---|
| 778 | for i in range(10):
|
|---|
| 779 | b = array.array('B', range(64))
|
|---|
| 780 | rc = sys.getrefcount(10)
|
|---|
| 781 | for i in range(10):
|
|---|
| 782 | b = array.array('B', range(64))
|
|---|
| 783 | self.assertEqual(rc, sys.getrefcount(10))
|
|---|
| 784 |
|
|---|
| 785 | def test_subclass_with_kwargs(self):
|
|---|
| 786 | # SF bug #1486663 -- this used to erroneously raise a TypeError
|
|---|
| 787 | with warnings.catch_warnings():
|
|---|
| 788 | warnings.filterwarnings("ignore", '', DeprecationWarning)
|
|---|
| 789 | ArraySubclassWithKwargs('b', newarg=1)
|
|---|
| 790 |
|
|---|
| 791 |
|
|---|
| 792 | class StringTest(BaseTest):
|
|---|
| 793 |
|
|---|
| 794 | def test_setitem(self):
|
|---|
| 795 | super(StringTest, self).test_setitem()
|
|---|
| 796 | a = array.array(self.typecode, self.example)
|
|---|
| 797 | self.assertRaises(TypeError, a.__setitem__, 0, self.example[:2])
|
|---|
| 798 |
|
|---|
| 799 | class CharacterTest(StringTest):
|
|---|
| 800 | typecode = 'c'
|
|---|
| 801 | example = '\x01azAZ\x00\xfe'
|
|---|
| 802 | smallerexample = '\x01azAY\x00\xfe'
|
|---|
| 803 | biggerexample = '\x01azAZ\x00\xff'
|
|---|
| 804 | outside = '\x33'
|
|---|
| 805 | minitemsize = 1
|
|---|
| 806 |
|
|---|
| 807 | def test_subbclassing(self):
|
|---|
| 808 | class EditableString(array.array):
|
|---|
| 809 | def __new__(cls, s, *args, **kwargs):
|
|---|
| 810 | return array.array.__new__(cls, 'c', s)
|
|---|
| 811 |
|
|---|
| 812 | def __init__(self, s, color='blue'):
|
|---|
| 813 | self.color = color
|
|---|
| 814 |
|
|---|
| 815 | def strip(self):
|
|---|
| 816 | self[:] = array.array('c', self.tostring().strip())
|
|---|
| 817 |
|
|---|
| 818 | def __repr__(self):
|
|---|
| 819 | return 'EditableString(%r)' % self.tostring()
|
|---|
| 820 |
|
|---|
| 821 | s = EditableString("\ttest\r\n")
|
|---|
| 822 | s.strip()
|
|---|
| 823 | self.assertEqual(s.tostring(), "test")
|
|---|
| 824 |
|
|---|
| 825 | self.assertEqual(s.color, "blue")
|
|---|
| 826 | s.color = "red"
|
|---|
| 827 | self.assertEqual(s.color, "red")
|
|---|
| 828 | self.assertEqual(s.__dict__.keys(), ["color"])
|
|---|
| 829 |
|
|---|
| 830 | def test_nounicode(self):
|
|---|
| 831 | a = array.array(self.typecode, self.example)
|
|---|
| 832 | self.assertRaises(ValueError, a.fromunicode, unicode(''))
|
|---|
| 833 | self.assertRaises(ValueError, a.tounicode)
|
|---|
| 834 |
|
|---|
| 835 | tests.append(CharacterTest)
|
|---|
| 836 |
|
|---|
| 837 | if test_support.have_unicode:
|
|---|
| 838 | class UnicodeTest(StringTest):
|
|---|
| 839 | typecode = 'u'
|
|---|
| 840 | example = unicode(r'\x01\u263a\x00\ufeff', 'unicode-escape')
|
|---|
| 841 | smallerexample = unicode(r'\x01\u263a\x00\ufefe', 'unicode-escape')
|
|---|
| 842 | biggerexample = unicode(r'\x01\u263a\x01\ufeff', 'unicode-escape')
|
|---|
| 843 | outside = unicode('\x33')
|
|---|
| 844 | minitemsize = 2
|
|---|
| 845 |
|
|---|
| 846 | def test_unicode(self):
|
|---|
| 847 | self.assertRaises(TypeError, array.array, 'b', unicode('foo', 'ascii'))
|
|---|
| 848 |
|
|---|
| 849 | a = array.array('u', unicode(r'\xa0\xc2\u1234', 'unicode-escape'))
|
|---|
| 850 | a.fromunicode(unicode(' ', 'ascii'))
|
|---|
| 851 | a.fromunicode(unicode('', 'ascii'))
|
|---|
| 852 | a.fromunicode(unicode('', 'ascii'))
|
|---|
| 853 | a.fromunicode(unicode(r'\x11abc\xff\u1234', 'unicode-escape'))
|
|---|
| 854 | s = a.tounicode()
|
|---|
| 855 | self.assertEqual(
|
|---|
| 856 | s,
|
|---|
| 857 | unicode(r'\xa0\xc2\u1234 \x11abc\xff\u1234', 'unicode-escape')
|
|---|
| 858 | )
|
|---|
| 859 |
|
|---|
| 860 | s = unicode(r'\x00="\'a\\b\x80\xff\u0000\u0001\u1234', 'unicode-escape')
|
|---|
| 861 | a = array.array('u', s)
|
|---|
| 862 | self.assertEqual(
|
|---|
| 863 | repr(a),
|
|---|
| 864 | r"""array('u', u'\x00="\'a\\b\x80\xff\x00\x01\u1234')"""
|
|---|
| 865 | )
|
|---|
| 866 |
|
|---|
| 867 | self.assertRaises(TypeError, a.fromunicode)
|
|---|
| 868 |
|
|---|
| 869 | tests.append(UnicodeTest)
|
|---|
| 870 |
|
|---|
| 871 | class NumberTest(BaseTest):
|
|---|
| 872 |
|
|---|
| 873 | def test_extslice(self):
|
|---|
| 874 | a = array.array(self.typecode, range(5))
|
|---|
| 875 | self.assertEqual(a[::], a)
|
|---|
| 876 | self.assertEqual(a[::2], array.array(self.typecode, [0,2,4]))
|
|---|
| 877 | self.assertEqual(a[1::2], array.array(self.typecode, [1,3]))
|
|---|
| 878 | self.assertEqual(a[::-1], array.array(self.typecode, [4,3,2,1,0]))
|
|---|
| 879 | self.assertEqual(a[::-2], array.array(self.typecode, [4,2,0]))
|
|---|
| 880 | self.assertEqual(a[3::-2], array.array(self.typecode, [3,1]))
|
|---|
| 881 | self.assertEqual(a[-100:100:], a)
|
|---|
| 882 | self.assertEqual(a[100:-100:-1], a[::-1])
|
|---|
| 883 | self.assertEqual(a[-100L:100L:2L], array.array(self.typecode, [0,2,4]))
|
|---|
| 884 | self.assertEqual(a[1000:2000:2], array.array(self.typecode, []))
|
|---|
| 885 | self.assertEqual(a[-1000:-2000:-2], array.array(self.typecode, []))
|
|---|
| 886 |
|
|---|
| 887 | def test_delslice(self):
|
|---|
| 888 | a = array.array(self.typecode, range(5))
|
|---|
| 889 | del a[::2]
|
|---|
| 890 | self.assertEqual(a, array.array(self.typecode, [1,3]))
|
|---|
| 891 | a = array.array(self.typecode, range(5))
|
|---|
| 892 | del a[1::2]
|
|---|
| 893 | self.assertEqual(a, array.array(self.typecode, [0,2,4]))
|
|---|
| 894 | a = array.array(self.typecode, range(5))
|
|---|
| 895 | del a[1::-2]
|
|---|
| 896 | self.assertEqual(a, array.array(self.typecode, [0,2,3,4]))
|
|---|
| 897 | a = array.array(self.typecode, range(10))
|
|---|
| 898 | del a[::1000]
|
|---|
| 899 | self.assertEqual(a, array.array(self.typecode, [1,2,3,4,5,6,7,8,9]))
|
|---|
| 900 | # test issue7788
|
|---|
| 901 | a = array.array(self.typecode, range(10))
|
|---|
| 902 | del a[9::1<<333]
|
|---|
| 903 |
|
|---|
| 904 | def test_assignment(self):
|
|---|
| 905 | a = array.array(self.typecode, range(10))
|
|---|
| 906 | a[::2] = array.array(self.typecode, [42]*5)
|
|---|
| 907 | self.assertEqual(a, array.array(self.typecode, [42, 1, 42, 3, 42, 5, 42, 7, 42, 9]))
|
|---|
| 908 | a = array.array(self.typecode, range(10))
|
|---|
| 909 | a[::-4] = array.array(self.typecode, [10]*3)
|
|---|
| 910 | self.assertEqual(a, array.array(self.typecode, [0, 10, 2, 3, 4, 10, 6, 7, 8 ,10]))
|
|---|
| 911 | a = array.array(self.typecode, range(4))
|
|---|
| 912 | a[::-1] = a
|
|---|
| 913 | self.assertEqual(a, array.array(self.typecode, [3, 2, 1, 0]))
|
|---|
| 914 | a = array.array(self.typecode, range(10))
|
|---|
| 915 | b = a[:]
|
|---|
| 916 | c = a[:]
|
|---|
| 917 | ins = array.array(self.typecode, range(2))
|
|---|
| 918 | a[2:3] = ins
|
|---|
| 919 | b[slice(2,3)] = ins
|
|---|
| 920 | c[2:3:] = ins
|
|---|
| 921 |
|
|---|
| 922 | def test_iterationcontains(self):
|
|---|
| 923 | a = array.array(self.typecode, range(10))
|
|---|
| 924 | self.assertEqual(list(a), range(10))
|
|---|
| 925 | b = array.array(self.typecode, [20])
|
|---|
| 926 | self.assertEqual(a[-1] in a, True)
|
|---|
| 927 | self.assertEqual(b[0] not in a, True)
|
|---|
| 928 |
|
|---|
| 929 | def check_overflow(self, lower, upper):
|
|---|
| 930 | # method to be used by subclasses
|
|---|
| 931 |
|
|---|
| 932 | # should not overflow assigning lower limit
|
|---|
| 933 | a = array.array(self.typecode, [lower])
|
|---|
| 934 | a[0] = lower
|
|---|
| 935 | # should overflow assigning less than lower limit
|
|---|
| 936 | self.assertRaises(OverflowError, array.array, self.typecode, [lower-1])
|
|---|
| 937 | self.assertRaises(OverflowError, a.__setitem__, 0, lower-1)
|
|---|
| 938 | # should not overflow assigning upper limit
|
|---|
| 939 | a = array.array(self.typecode, [upper])
|
|---|
| 940 | a[0] = upper
|
|---|
| 941 | # should overflow assigning more than upper limit
|
|---|
| 942 | self.assertRaises(OverflowError, array.array, self.typecode, [upper+1])
|
|---|
| 943 | self.assertRaises(OverflowError, a.__setitem__, 0, upper+1)
|
|---|
| 944 |
|
|---|
| 945 | def test_subclassing(self):
|
|---|
| 946 | typecode = self.typecode
|
|---|
| 947 | class ExaggeratingArray(array.array):
|
|---|
| 948 | __slots__ = ['offset']
|
|---|
| 949 |
|
|---|
| 950 | def __new__(cls, typecode, data, offset):
|
|---|
| 951 | return array.array.__new__(cls, typecode, data)
|
|---|
| 952 |
|
|---|
| 953 | def __init__(self, typecode, data, offset):
|
|---|
| 954 | self.offset = offset
|
|---|
| 955 |
|
|---|
| 956 | def __getitem__(self, i):
|
|---|
| 957 | return array.array.__getitem__(self, i) + self.offset
|
|---|
| 958 |
|
|---|
| 959 | a = ExaggeratingArray(self.typecode, [3, 6, 7, 11], 4)
|
|---|
| 960 | self.assertEntryEqual(a[0], 7)
|
|---|
| 961 |
|
|---|
| 962 | self.assertRaises(AttributeError, setattr, a, "color", "blue")
|
|---|
| 963 |
|
|---|
| 964 | class SignedNumberTest(NumberTest):
|
|---|
| 965 | example = [-1, 0, 1, 42, 0x7f]
|
|---|
| 966 | smallerexample = [-1, 0, 1, 42, 0x7e]
|
|---|
| 967 | biggerexample = [-1, 0, 1, 43, 0x7f]
|
|---|
| 968 | outside = 23
|
|---|
| 969 |
|
|---|
| 970 | def test_overflow(self):
|
|---|
| 971 | a = array.array(self.typecode)
|
|---|
| 972 | lower = -1 * long(pow(2, a.itemsize * 8 - 1))
|
|---|
| 973 | upper = long(pow(2, a.itemsize * 8 - 1)) - 1L
|
|---|
| 974 | self.check_overflow(lower, upper)
|
|---|
| 975 |
|
|---|
| 976 | class UnsignedNumberTest(NumberTest):
|
|---|
| 977 | example = [0, 1, 17, 23, 42, 0xff]
|
|---|
| 978 | smallerexample = [0, 1, 17, 23, 42, 0xfe]
|
|---|
| 979 | biggerexample = [0, 1, 17, 23, 43, 0xff]
|
|---|
| 980 | outside = 0xaa
|
|---|
| 981 |
|
|---|
| 982 | def test_overflow(self):
|
|---|
| 983 | a = array.array(self.typecode)
|
|---|
| 984 | lower = 0
|
|---|
| 985 | upper = long(pow(2, a.itemsize * 8)) - 1L
|
|---|
| 986 | self.check_overflow(lower, upper)
|
|---|
| 987 |
|
|---|
| 988 | @test_support.cpython_only
|
|---|
| 989 | def test_sizeof_with_buffer(self):
|
|---|
| 990 | a = array.array(self.typecode, self.example)
|
|---|
| 991 | basesize = test_support.calcvobjsize('4P')
|
|---|
| 992 | buffer_size = a.buffer_info()[1] * a.itemsize
|
|---|
| 993 | test_support.check_sizeof(self, a, basesize + buffer_size)
|
|---|
| 994 |
|
|---|
| 995 | @test_support.cpython_only
|
|---|
| 996 | def test_sizeof_without_buffer(self):
|
|---|
| 997 | a = array.array(self.typecode)
|
|---|
| 998 | basesize = test_support.calcvobjsize('4P')
|
|---|
| 999 | test_support.check_sizeof(self, a, basesize)
|
|---|
| 1000 |
|
|---|
| 1001 |
|
|---|
| 1002 | class ByteTest(SignedNumberTest):
|
|---|
| 1003 | typecode = 'b'
|
|---|
| 1004 | minitemsize = 1
|
|---|
| 1005 | tests.append(ByteTest)
|
|---|
| 1006 |
|
|---|
| 1007 | class UnsignedByteTest(UnsignedNumberTest):
|
|---|
| 1008 | typecode = 'B'
|
|---|
| 1009 | minitemsize = 1
|
|---|
| 1010 | tests.append(UnsignedByteTest)
|
|---|
| 1011 |
|
|---|
| 1012 | class ShortTest(SignedNumberTest):
|
|---|
| 1013 | typecode = 'h'
|
|---|
| 1014 | minitemsize = 2
|
|---|
| 1015 | tests.append(ShortTest)
|
|---|
| 1016 |
|
|---|
| 1017 | class UnsignedShortTest(UnsignedNumberTest):
|
|---|
| 1018 | typecode = 'H'
|
|---|
| 1019 | minitemsize = 2
|
|---|
| 1020 | tests.append(UnsignedShortTest)
|
|---|
| 1021 |
|
|---|
| 1022 | class IntTest(SignedNumberTest):
|
|---|
| 1023 | typecode = 'i'
|
|---|
| 1024 | minitemsize = 2
|
|---|
| 1025 | tests.append(IntTest)
|
|---|
| 1026 |
|
|---|
| 1027 | class UnsignedIntTest(UnsignedNumberTest):
|
|---|
| 1028 | typecode = 'I'
|
|---|
| 1029 | minitemsize = 2
|
|---|
| 1030 | tests.append(UnsignedIntTest)
|
|---|
| 1031 |
|
|---|
| 1032 | class LongTest(SignedNumberTest):
|
|---|
| 1033 | typecode = 'l'
|
|---|
| 1034 | minitemsize = 4
|
|---|
| 1035 | tests.append(LongTest)
|
|---|
| 1036 |
|
|---|
| 1037 | class UnsignedLongTest(UnsignedNumberTest):
|
|---|
| 1038 | typecode = 'L'
|
|---|
| 1039 | minitemsize = 4
|
|---|
| 1040 | tests.append(UnsignedLongTest)
|
|---|
| 1041 |
|
|---|
| 1042 | class FPTest(NumberTest):
|
|---|
| 1043 | example = [-42.0, 0, 42, 1e5, -1e10]
|
|---|
| 1044 | smallerexample = [-42.0, 0, 42, 1e5, -2e10]
|
|---|
| 1045 | biggerexample = [-42.0, 0, 42, 1e5, 1e10]
|
|---|
| 1046 | outside = 23
|
|---|
| 1047 |
|
|---|
| 1048 | def assertEntryEqual(self, entry1, entry2):
|
|---|
| 1049 | self.assertAlmostEqual(entry1, entry2)
|
|---|
| 1050 |
|
|---|
| 1051 | def test_byteswap(self):
|
|---|
| 1052 | a = array.array(self.typecode, self.example)
|
|---|
| 1053 | self.assertRaises(TypeError, a.byteswap, 42)
|
|---|
| 1054 | if a.itemsize in (1, 2, 4, 8):
|
|---|
| 1055 | b = array.array(self.typecode, self.example)
|
|---|
| 1056 | b.byteswap()
|
|---|
| 1057 | if a.itemsize==1:
|
|---|
| 1058 | self.assertEqual(a, b)
|
|---|
| 1059 | else:
|
|---|
| 1060 | # On alphas treating the byte swapped bit patters as
|
|---|
| 1061 | # floats/doubles results in floating point exceptions
|
|---|
| 1062 | # => compare the 8bit string values instead
|
|---|
| 1063 | self.assertNotEqual(a.tostring(), b.tostring())
|
|---|
| 1064 | b.byteswap()
|
|---|
| 1065 | self.assertEqual(a, b)
|
|---|
| 1066 |
|
|---|
| 1067 | class FloatTest(FPTest):
|
|---|
| 1068 | typecode = 'f'
|
|---|
| 1069 | minitemsize = 4
|
|---|
| 1070 | tests.append(FloatTest)
|
|---|
| 1071 |
|
|---|
| 1072 | class DoubleTest(FPTest):
|
|---|
| 1073 | typecode = 'd'
|
|---|
| 1074 | minitemsize = 8
|
|---|
| 1075 |
|
|---|
| 1076 | def test_alloc_overflow(self):
|
|---|
| 1077 | from sys import maxsize
|
|---|
| 1078 | a = array.array('d', [-1]*65536)
|
|---|
| 1079 | try:
|
|---|
| 1080 | a *= maxsize//65536 + 1
|
|---|
| 1081 | except MemoryError:
|
|---|
| 1082 | pass
|
|---|
| 1083 | else:
|
|---|
| 1084 | self.fail("Array of size > maxsize created - MemoryError expected")
|
|---|
| 1085 | b = array.array('d', [ 2.71828183, 3.14159265, -1])
|
|---|
| 1086 | try:
|
|---|
| 1087 | b * (maxsize//3 + 1)
|
|---|
| 1088 | except MemoryError:
|
|---|
| 1089 | pass
|
|---|
| 1090 | else:
|
|---|
| 1091 | self.fail("Array of size > maxsize created - MemoryError expected")
|
|---|
| 1092 |
|
|---|
| 1093 | tests.append(DoubleTest)
|
|---|
| 1094 |
|
|---|
| 1095 | def test_main(verbose=None):
|
|---|
| 1096 | import sys
|
|---|
| 1097 |
|
|---|
| 1098 | test_support.run_unittest(*tests)
|
|---|
| 1099 |
|
|---|
| 1100 | # verify reference counting
|
|---|
| 1101 | if verbose and hasattr(sys, "gettotalrefcount"):
|
|---|
| 1102 | import gc
|
|---|
| 1103 | counts = [None] * 5
|
|---|
| 1104 | for i in xrange(len(counts)):
|
|---|
| 1105 | test_support.run_unittest(*tests)
|
|---|
| 1106 | gc.collect()
|
|---|
| 1107 | counts[i] = sys.gettotalrefcount()
|
|---|
| 1108 | print counts
|
|---|
| 1109 |
|
|---|
| 1110 | if __name__ == "__main__":
|
|---|
| 1111 | test_main(verbose=True)
|
|---|
