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1017 lines
33 KiB
Python
Executable File
1017 lines
33 KiB
Python
Executable File
#! /usr/bin/env python
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"""Test the arraymodule.
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Roger E. Masse
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"""
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import unittest
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from test import support
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from weakref import proxy
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import array, io, math
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from pickle import loads, dumps, HIGHEST_PROTOCOL
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import operator
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class ArraySubclass(array.array):
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pass
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class ArraySubclassWithKwargs(array.array):
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def __init__(self, typecode, newarg=None):
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array.array.__init__(typecode)
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tests = [] # list to accumulate all tests
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typecodes = "ubBhHiIlLfd"
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class BadConstructorTest(unittest.TestCase):
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def test_constructor(self):
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self.assertRaises(TypeError, array.array)
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self.assertRaises(TypeError, array.array, spam=42)
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self.assertRaises(TypeError, array.array, 'xx')
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self.assertRaises(ValueError, array.array, 'x')
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tests.append(BadConstructorTest)
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class BaseTest(unittest.TestCase):
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# Required class attributes (provided by subclasses
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# typecode: the typecode to test
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# example: an initializer usable in the constructor for this type
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# smallerexample: the same length as example, but smaller
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# biggerexample: the same length as example, but bigger
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# outside: An entry that is not in example
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# minitemsize: the minimum guaranteed itemsize
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def assertEntryEqual(self, entry1, entry2):
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self.assertEqual(entry1, entry2)
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def badtypecode(self):
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# Return a typecode that is different from our own
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return typecodes[(typecodes.index(self.typecode)+1) % len(typecodes)]
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def test_constructor(self):
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a = array.array(self.typecode)
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self.assertEqual(a.typecode, self.typecode)
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self.assert_(a.itemsize>=self.minitemsize)
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self.assertRaises(TypeError, array.array, self.typecode, None)
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def test_len(self):
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a = array.array(self.typecode)
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a.append(self.example[0])
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self.assertEqual(len(a), 1)
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a = array.array(self.typecode, self.example)
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self.assertEqual(len(a), len(self.example))
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def test_buffer_info(self):
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a = array.array(self.typecode, self.example)
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self.assertRaises(TypeError, a.buffer_info, 42)
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bi = a.buffer_info()
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self.assert_(isinstance(bi, tuple))
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self.assertEqual(len(bi), 2)
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self.assert_(isinstance(bi[0], int))
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self.assert_(isinstance(bi[1], int))
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self.assertEqual(bi[1], len(a))
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def test_byteswap(self):
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a = array.array(self.typecode, self.example)
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self.assertRaises(TypeError, a.byteswap, 42)
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if a.itemsize in (1, 2, 4, 8):
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b = array.array(self.typecode, self.example)
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b.byteswap()
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if a.itemsize==1:
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self.assertEqual(a, b)
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else:
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self.assertNotEqual(a, b)
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b.byteswap()
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self.assertEqual(a, b)
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def test_copy(self):
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import copy
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a = array.array(self.typecode, self.example)
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b = copy.copy(a)
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self.assertNotEqual(id(a), id(b))
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self.assertEqual(a, b)
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def test_deepcopy(self):
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import copy
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a = array.array(self.typecode, self.example)
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b = copy.deepcopy(a)
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self.assertNotEqual(id(a), id(b))
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self.assertEqual(a, b)
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def test_pickle(self):
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for protocol in range(HIGHEST_PROTOCOL + 1):
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a = array.array(self.typecode, self.example)
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b = loads(dumps(a, protocol))
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self.assertNotEqual(id(a), id(b))
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self.assertEqual(a, b)
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a = ArraySubclass(self.typecode, self.example)
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a.x = 10
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b = loads(dumps(a, protocol))
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self.assertNotEqual(id(a), id(b))
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self.assertEqual(a, b)
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self.assertEqual(a.x, b.x)
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self.assertEqual(type(a), type(b))
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def test_pickle_for_empty_array(self):
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for protocol in range(HIGHEST_PROTOCOL + 1):
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a = array.array(self.typecode)
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b = loads(dumps(a, protocol))
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self.assertNotEqual(id(a), id(b))
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self.assertEqual(a, b)
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a = ArraySubclass(self.typecode)
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a.x = 10
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b = loads(dumps(a, protocol))
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self.assertNotEqual(id(a), id(b))
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self.assertEqual(a, b)
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self.assertEqual(a.x, b.x)
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self.assertEqual(type(a), type(b))
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def test_insert(self):
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a = array.array(self.typecode, self.example)
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a.insert(0, self.example[0])
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self.assertEqual(len(a), 1+len(self.example))
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self.assertEqual(a[0], a[1])
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self.assertRaises(TypeError, a.insert)
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self.assertRaises(TypeError, a.insert, None)
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self.assertRaises(TypeError, a.insert, 0, None)
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a = array.array(self.typecode, self.example)
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a.insert(-1, self.example[0])
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self.assertEqual(
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a,
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array.array(
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self.typecode,
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self.example[:-1] + self.example[:1] + self.example[-1:]
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)
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)
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a = array.array(self.typecode, self.example)
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a.insert(-1000, self.example[0])
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self.assertEqual(
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a,
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array.array(self.typecode, self.example[:1] + self.example)
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)
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a = array.array(self.typecode, self.example)
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a.insert(1000, self.example[0])
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self.assertEqual(
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a,
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array.array(self.typecode, self.example + self.example[:1])
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)
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def test_tofromfile(self):
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a = array.array(self.typecode, 2*self.example)
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self.assertRaises(TypeError, a.tofile)
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support.unlink(support.TESTFN)
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f = open(support.TESTFN, 'wb')
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try:
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a.tofile(f)
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f.close()
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b = array.array(self.typecode)
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f = open(support.TESTFN, 'rb')
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self.assertRaises(TypeError, b.fromfile)
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b.fromfile(f, len(self.example))
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self.assertEqual(b, array.array(self.typecode, self.example))
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self.assertNotEqual(a, b)
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self.assertRaises(EOFError, b.fromfile, f, len(self.example)+1)
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self.assertEqual(a, b)
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f.close()
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finally:
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if not f.closed:
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f.close()
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support.unlink(support.TESTFN)
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def test_tofromlist(self):
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a = array.array(self.typecode, 2*self.example)
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b = array.array(self.typecode)
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self.assertRaises(TypeError, a.tolist, 42)
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self.assertRaises(TypeError, b.fromlist)
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self.assertRaises(TypeError, b.fromlist, 42)
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self.assertRaises(TypeError, b.fromlist, [None])
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b.fromlist(a.tolist())
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self.assertEqual(a, b)
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def test_tofromstring(self):
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a = array.array(self.typecode, 2*self.example)
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b = array.array(self.typecode)
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self.assertRaises(TypeError, a.tostring, 42)
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self.assertRaises(TypeError, b.fromstring)
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self.assertRaises(TypeError, b.fromstring, 42)
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b.fromstring(a.tostring())
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self.assertEqual(a, b)
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if a.itemsize>1:
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self.assertRaises(ValueError, b.fromstring, "x")
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def test_repr(self):
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a = array.array(self.typecode, 2*self.example)
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self.assertEqual(a, eval(repr(a), {"array": array.array}))
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a = array.array(self.typecode)
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self.assertEqual(repr(a), "array('%s')" % self.typecode)
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def test_str(self):
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a = array.array(self.typecode, 2*self.example)
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str(a)
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def test_cmp(self):
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a = array.array(self.typecode, self.example)
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self.assert_((a == 42) is False)
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self.assert_((a != 42) is True)
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self.assert_((a == a) is True)
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self.assert_((a != a) is False)
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self.assert_((a < a) is False)
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self.assert_((a <= a) is True)
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self.assert_((a > a) is False)
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self.assert_((a >= a) is True)
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al = array.array(self.typecode, self.smallerexample)
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ab = array.array(self.typecode, self.biggerexample)
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self.assert_((a == 2*a) is False)
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self.assert_((a != 2*a) is True)
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self.assert_((a < 2*a) is True)
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self.assert_((a <= 2*a) is True)
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self.assert_((a > 2*a) is False)
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self.assert_((a >= 2*a) is False)
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self.assert_((a == al) is False)
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self.assert_((a != al) is True)
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self.assert_((a < al) is False)
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self.assert_((a <= al) is False)
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self.assert_((a > al) is True)
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self.assert_((a >= al) is True)
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self.assert_((a == ab) is False)
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self.assert_((a != ab) is True)
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self.assert_((a < ab) is True)
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self.assert_((a <= ab) is True)
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self.assert_((a > ab) is False)
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self.assert_((a >= ab) is False)
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def test_add(self):
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a = array.array(self.typecode, self.example) \
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+ array.array(self.typecode, self.example[::-1])
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self.assertEqual(
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a,
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array.array(self.typecode, self.example + self.example[::-1])
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)
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b = array.array(self.badtypecode())
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self.assertRaises(TypeError, a.__add__, b)
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self.assertRaises(TypeError, a.__add__, "bad")
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def test_iadd(self):
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a = array.array(self.typecode, self.example[::-1])
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b = a
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a += array.array(self.typecode, 2*self.example)
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self.assert_(a is b)
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self.assertEqual(
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a,
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array.array(self.typecode, self.example[::-1]+2*self.example)
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)
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b = array.array(self.badtypecode())
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self.assertRaises(TypeError, a.__add__, b)
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self.assertRaises(TypeError, a.__iadd__, "bad")
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def test_mul(self):
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a = 5*array.array(self.typecode, self.example)
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self.assertEqual(
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a,
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array.array(self.typecode, 5*self.example)
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)
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a = array.array(self.typecode, self.example)*5
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self.assertEqual(
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a,
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array.array(self.typecode, self.example*5)
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)
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a = 0*array.array(self.typecode, self.example)
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self.assertEqual(
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a,
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array.array(self.typecode)
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)
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a = (-1)*array.array(self.typecode, self.example)
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self.assertEqual(
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a,
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array.array(self.typecode)
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)
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self.assertRaises(TypeError, a.__mul__, "bad")
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def test_imul(self):
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a = array.array(self.typecode, self.example)
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b = a
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a *= 5
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self.assert_(a is b)
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self.assertEqual(
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a,
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array.array(self.typecode, 5*self.example)
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)
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a *= 0
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self.assert_(a is b)
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self.assertEqual(a, array.array(self.typecode))
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a *= 1000
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self.assert_(a is b)
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self.assertEqual(a, array.array(self.typecode))
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a *= -1
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self.assert_(a is b)
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self.assertEqual(a, array.array(self.typecode))
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a = array.array(self.typecode, self.example)
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a *= -1
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self.assertEqual(a, array.array(self.typecode))
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self.assertRaises(TypeError, a.__imul__, "bad")
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def test_getitem(self):
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a = array.array(self.typecode, self.example)
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self.assertEntryEqual(a[0], self.example[0])
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self.assertEntryEqual(a[0], self.example[0])
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self.assertEntryEqual(a[-1], self.example[-1])
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self.assertEntryEqual(a[-1], self.example[-1])
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self.assertEntryEqual(a[len(self.example)-1], self.example[-1])
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self.assertEntryEqual(a[-len(self.example)], self.example[0])
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self.assertRaises(TypeError, a.__getitem__)
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self.assertRaises(IndexError, a.__getitem__, len(self.example))
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self.assertRaises(IndexError, a.__getitem__, -len(self.example)-1)
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def test_setitem(self):
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a = array.array(self.typecode, self.example)
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a[0] = a[-1]
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self.assertEntryEqual(a[0], a[-1])
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a = array.array(self.typecode, self.example)
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a[0] = a[-1]
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self.assertEntryEqual(a[0], a[-1])
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a = array.array(self.typecode, self.example)
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a[-1] = a[0]
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self.assertEntryEqual(a[0], a[-1])
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a = array.array(self.typecode, self.example)
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a[-1] = a[0]
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self.assertEntryEqual(a[0], a[-1])
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a = array.array(self.typecode, self.example)
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a[len(self.example)-1] = a[0]
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self.assertEntryEqual(a[0], a[-1])
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a = array.array(self.typecode, self.example)
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a[-len(self.example)] = a[-1]
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self.assertEntryEqual(a[0], a[-1])
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self.assertRaises(TypeError, a.__setitem__)
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self.assertRaises(TypeError, a.__setitem__, None)
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self.assertRaises(TypeError, a.__setitem__, 0, None)
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self.assertRaises(
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IndexError,
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a.__setitem__,
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len(self.example), self.example[0]
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)
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self.assertRaises(
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IndexError,
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a.__setitem__,
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-len(self.example)-1, self.example[0]
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)
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def test_delitem(self):
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a = array.array(self.typecode, self.example)
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del a[0]
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self.assertEqual(
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a,
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array.array(self.typecode, self.example[1:])
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)
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a = array.array(self.typecode, self.example)
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del a[-1]
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self.assertEqual(
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a,
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array.array(self.typecode, self.example[:-1])
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)
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a = array.array(self.typecode, self.example)
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del a[len(self.example)-1]
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self.assertEqual(
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a,
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array.array(self.typecode, self.example[:-1])
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)
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a = array.array(self.typecode, self.example)
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del a[-len(self.example)]
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self.assertEqual(
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a,
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array.array(self.typecode, self.example[1:])
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)
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self.assertRaises(TypeError, a.__delitem__)
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self.assertRaises(TypeError, a.__delitem__, None)
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self.assertRaises(IndexError, a.__delitem__, len(self.example))
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self.assertRaises(IndexError, a.__delitem__, -len(self.example)-1)
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def test_getslice(self):
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a = array.array(self.typecode, self.example)
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self.assertEqual(a[:], a)
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self.assertEqual(
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a[1:],
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array.array(self.typecode, self.example[1:])
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)
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|
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self.assertEqual(
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a[:1],
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array.array(self.typecode, self.example[:1])
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)
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|
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self.assertEqual(
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a[:-1],
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array.array(self.typecode, self.example[:-1])
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)
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|
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self.assertEqual(
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a[-1:],
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array.array(self.typecode, self.example[-1:])
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)
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|
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self.assertEqual(
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a[-1:-1],
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array.array(self.typecode)
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)
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|
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self.assertEqual(
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a[2:1],
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array.array(self.typecode)
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)
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|
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|
self.assertEqual(
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a[1000:],
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array.array(self.typecode)
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)
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self.assertEqual(a[-1000:], a)
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|
self.assertEqual(a[:1000], a)
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|
self.assertEqual(
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a[:-1000],
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array.array(self.typecode)
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)
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self.assertEqual(a[-1000:1000], a)
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self.assertEqual(
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a[2000:1000],
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array.array(self.typecode)
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)
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|
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|
def test_extended_getslice(self):
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# Test extended slicing by comparing with list slicing
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# (Assumes list conversion works correctly, too)
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a = array.array(self.typecode, self.example)
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indices = (0, None, 1, 3, 19, 100, -1, -2, -31, -100)
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for start in indices:
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for stop in indices:
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# Everything except the initial 0 (invalid step)
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for step in indices[1:]:
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self.assertEqual(list(a[start:stop:step]),
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list(a)[start:stop:step])
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|
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def test_setslice(self):
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a = array.array(self.typecode, self.example)
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a[:1] = a
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self.assertEqual(
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a,
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array.array(self.typecode, self.example + self.example[1:])
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)
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a = array.array(self.typecode, self.example)
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a[:-1] = a
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self.assertEqual(
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a,
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array.array(self.typecode, self.example + self.example[-1:])
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)
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|
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a = array.array(self.typecode, self.example)
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a[-1:] = a
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|
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.__setitem__, slice(0, 0), None)
|
|
self.assertRaises(TypeError, a.__setitem__, slice(0, 1), None)
|
|
|
|
b = array.array(self.badtypecode())
|
|
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.assertEquals(a, array.array(self.typecode, L))
|
|
|
|
del L[start:stop:step]
|
|
del a[start:stop:step]
|
|
self.assertEquals(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])
|
|
)
|
|
|
|
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)
|
|
m = memoryview(a)
|
|
b = bytes(m)
|
|
self.assertEqual(b, a.tostring())
|
|
self.assertEqual(b[0], a.tostring()[0])
|
|
# Resizing is forbidden when there are buffer exports
|
|
self.assertRaises(BufferError, a.append, a[0])
|
|
self.assertRaises(BufferError, a.extend, a[0:1])
|
|
self.assertRaises(BufferError, a.remove, a[0])
|
|
self.assertRaises(BufferError, a.fromlist, a.tolist())
|
|
self.assertRaises(BufferError, a.fromstring, a.tostring())
|
|
if self.typecode == 'u':
|
|
self.assertRaises(BufferError, a.fromunicode, a.tounicode())
|
|
self.assertRaises(BufferError, operator.setitem, a, slice(0, 0), a)
|
|
self.assertRaises(BufferError, operator.delitem, a, 0)
|
|
self.assertRaises(BufferError, operator.delitem, a, slice(0, 1))
|
|
self.assertRaises(BufferError, operator.imul, a, 2)
|
|
self.assertRaises(BufferError, operator.imul, a, 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)
|
|
|
|
def test_create_from_bytes(self):
|
|
a = array.array('H', b"1234")
|
|
self.assertEqual(len(a) * a.itemsize, 4)
|
|
|
|
|
|
class StringTest(BaseTest):
|
|
|
|
def test_setitem(self):
|
|
super().test_setitem()
|
|
a = array.array(self.typecode, self.example)
|
|
self.assertRaises(TypeError, a.__setitem__, 0, self.example[:2])
|
|
|
|
class UnicodeTest(StringTest):
|
|
typecode = 'u'
|
|
example = '\x01\u263a\x00\ufeff'
|
|
smallerexample = '\x01\u263a\x00\ufefe'
|
|
biggerexample = '\x01\u263a\x01\ufeff'
|
|
outside = str('\x33')
|
|
minitemsize = 2
|
|
|
|
def test_unicode(self):
|
|
self.assertRaises(TypeError, array.array, 'b', 'foo')
|
|
|
|
a = array.array('u', '\xa0\xc2\u1234')
|
|
a.fromunicode(' ')
|
|
a.fromunicode('')
|
|
a.fromunicode('')
|
|
a.fromunicode('\x11abc\xff\u1234')
|
|
s = a.tounicode()
|
|
self.assertEqual(s, '\xa0\xc2\u1234 \x11abc\xff\u1234')
|
|
|
|
s = '\x00="\'a\\b\x80\xff\u0000\u0001\u1234'
|
|
a = array.array('u', s)
|
|
self.assertEqual(
|
|
repr(a),
|
|
"array('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[-100:100:2], 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]))
|
|
|
|
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), list(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 * int(pow(2, a.itemsize * 8 - 1))
|
|
upper = int(pow(2, a.itemsize * 8 - 1)) - 1
|
|
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 = int(pow(2, a.itemsize * 8)) - 1
|
|
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
|
|
|
|
support.run_unittest(*tests)
|
|
|
|
# verify reference counting
|
|
if verbose and hasattr(sys, "gettotalrefcount"):
|
|
import gc
|
|
counts = [None] * 5
|
|
for i in range(len(counts)):
|
|
support.run_unittest(*tests)
|
|
gc.collect()
|
|
counts[i] = sys.gettotalrefcount()
|
|
print(counts)
|
|
|
|
if __name__ == "__main__":
|
|
test_main(verbose=True)
|