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355 lines
12 KiB
Python
355 lines
12 KiB
Python
import unittest
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from test.support import import_helper
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from collections import UserList
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_testcapi = import_helper.import_module('_testcapi')
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_testlimitedcapi = import_helper.import_module('_testlimitedcapi')
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NULL = None
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PY_SSIZE_T_MIN = _testcapi.PY_SSIZE_T_MIN
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PY_SSIZE_T_MAX = _testcapi.PY_SSIZE_T_MAX
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class ListSubclass(list):
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pass
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class DelAppend:
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def __init__(self, lst, item):
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self.lst = lst
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self.item = item
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def __del__(self):
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self.lst.append(self.item)
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class CAPITest(unittest.TestCase):
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def test_check(self):
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# Test PyList_Check()
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check = _testlimitedcapi.list_check
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self.assertTrue(check([1, 2]))
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self.assertTrue(check([]))
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self.assertTrue(check(ListSubclass([1, 2])))
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self.assertFalse(check({1: 2}))
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self.assertFalse(check((1, 2)))
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self.assertFalse(check(42))
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self.assertFalse(check(object()))
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# CRASHES check(NULL)
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def test_list_check_exact(self):
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# Test PyList_CheckExact()
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check = _testlimitedcapi.list_check_exact
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self.assertTrue(check([1]))
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self.assertTrue(check([]))
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self.assertFalse(check(ListSubclass([1])))
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self.assertFalse(check(UserList([1, 2])))
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self.assertFalse(check({1: 2}))
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self.assertFalse(check(object()))
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# CRASHES check(NULL)
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def test_list_new(self):
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# Test PyList_New()
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list_new = _testlimitedcapi.list_new
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lst = list_new(0)
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self.assertEqual(lst, [])
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self.assertIs(type(lst), list)
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lst2 = list_new(0)
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self.assertIsNot(lst2, lst)
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self.assertRaises(SystemError, list_new, NULL)
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self.assertRaises(SystemError, list_new, -1)
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def test_list_size(self):
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# Test PyList_Size()
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size = _testlimitedcapi.list_size
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self.assertEqual(size([]), 0)
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self.assertEqual(size([1, 2]), 2)
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self.assertEqual(size(ListSubclass([1, 2])), 2)
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self.assertRaises(SystemError, size, UserList())
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self.assertRaises(SystemError, size, {})
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self.assertRaises(SystemError, size, 23)
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self.assertRaises(SystemError, size, object())
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# CRASHES size(NULL)
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def test_list_get_size(self):
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# Test PyList_GET_SIZE()
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size = _testcapi.list_get_size
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self.assertEqual(size([]), 0)
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self.assertEqual(size([1, 2]), 2)
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self.assertEqual(size(ListSubclass([1, 2])), 2)
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# CRASHES size(object())
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# CRASHES size(23)
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# CRASHES size({})
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# CRASHES size(UserList())
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# CRASHES size(NULL)
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def check_list_get_item(self, getitem, exctype):
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# Common test cases for PyList_GetItem() and PyList_GetItemRef()
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lst = [1, 2, 3]
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self.assertEqual(getitem(lst, 0), 1)
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self.assertEqual(getitem(lst, 2), 3)
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self.assertRaises(IndexError, getitem, lst, 3)
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self.assertRaises(IndexError, getitem, lst, -1)
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self.assertRaises(IndexError, getitem, lst, PY_SSIZE_T_MIN)
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self.assertRaises(IndexError, getitem, lst, PY_SSIZE_T_MAX)
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self.assertRaises(exctype, getitem, 42, 1)
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self.assertRaises(exctype, getitem, (1, 2, 3), 1)
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self.assertRaises(exctype, getitem, {1: 2}, 1)
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# CRASHES getitem(NULL, 1)
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def test_list_getitem(self):
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# Test PyList_GetItem()
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self.check_list_get_item(_testlimitedcapi.list_getitem, SystemError)
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def test_list_get_item_ref(self):
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# Test PyList_GetItemRef()
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self.check_list_get_item(_testlimitedcapi.list_get_item_ref, TypeError)
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def test_list_get_item(self):
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# Test PyList_GET_ITEM()
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get_item = _testcapi.list_get_item
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lst = [1, 2, [1, 2, 3]]
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self.assertEqual(get_item(lst, 0), 1)
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self.assertEqual(get_item(lst, 2), [1, 2, 3])
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# CRASHES for out of index: get_item(lst, 3)
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# CRASHES for get_item(lst, PY_SSIZE_T_MIN)
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# CRASHES for get_item(lst, PY_SSIZE_T_MAX)
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# CRASHES get_item(21, 2)
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# CRASHES get_item(NULL, 1)
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def test_list_setitem(self):
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# Test PyList_SetItem()
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setitem = _testlimitedcapi.list_setitem
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lst = [1, 2, 3]
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setitem(lst, 0, 10)
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self.assertEqual(lst, [10, 2, 3])
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setitem(lst, 2, 12)
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self.assertEqual(lst, [10, 2, 12])
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self.assertRaises(IndexError, setitem, lst, 3 , 5)
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self.assertRaises(IndexError, setitem, lst, -1, 5)
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self.assertRaises(IndexError, setitem, lst, PY_SSIZE_T_MIN, 5)
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self.assertRaises(IndexError, setitem, lst, PY_SSIZE_T_MAX, 5)
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self.assertRaises(SystemError, setitem, (1, 2, 3), 1, 5)
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self.assertRaises(SystemError, setitem, {1: 2}, 1, 5)
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# CRASHES setitem(NULL, 'a', 5)
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def test_list_set_item(self):
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# Test PyList_SET_ITEM()
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set_item = _testcapi.list_set_item
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lst = [1, 2, 3]
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set_item(lst, 1, 10)
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set_item(lst, 2, [1, 2, 3])
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self.assertEqual(lst, [1, 10, [1, 2, 3]])
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# CRASHES for set_item([1], -1, 5)
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# CRASHES for set_item([1], PY_SSIZE_T_MIN, 5)
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# CRASHES for set_item([1], PY_SSIZE_T_MAX, 5)
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# CRASHES for set_item([], 0, 1)
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# CRASHES for set_item(NULL, 0, 1)
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def test_list_insert(self):
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# Test PyList_Insert()
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insert = _testlimitedcapi.list_insert
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lst = [1, 2, 3]
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insert(lst, 0, 23)
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self.assertEqual(lst, [23, 1, 2, 3])
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insert(lst, -1, 22)
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self.assertEqual(lst, [23, 1, 2, 22, 3])
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insert(lst, PY_SSIZE_T_MIN, 1)
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self.assertEqual(lst[0], 1)
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insert(lst, len(lst), 123)
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self.assertEqual(lst[-1], 123)
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insert(lst, len(lst)-1, 124)
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self.assertEqual(lst[-2], 124)
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insert(lst, PY_SSIZE_T_MAX, 223)
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self.assertEqual(lst[-1], 223)
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self.assertRaises(SystemError, insert, (1, 2, 3), 1, 5)
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self.assertRaises(SystemError, insert, {1: 2}, 1, 5)
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# CRASHES insert(NULL, 1, 5)
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def test_list_append(self):
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# Test PyList_Append()
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append = _testlimitedcapi.list_append
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lst = [1, 2, 3]
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append(lst, 10)
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self.assertEqual(lst, [1, 2, 3, 10])
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append(lst, [4, 5])
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self.assertEqual(lst, [1, 2, 3, 10, [4, 5]])
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self.assertRaises(SystemError, append, lst, NULL)
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self.assertRaises(SystemError, append, (), 0)
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self.assertRaises(SystemError, append, 42, 0)
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# CRASHES append(NULL, 0)
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def test_list_getslice(self):
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# Test PyList_GetSlice()
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getslice = _testlimitedcapi.list_getslice
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lst = [1, 2, 3]
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# empty
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self.assertEqual(getslice(lst, PY_SSIZE_T_MIN, 0), [])
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self.assertEqual(getslice(lst, -1, 0), [])
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self.assertEqual(getslice(lst, 3, PY_SSIZE_T_MAX), [])
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# slice
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self.assertEqual(getslice(lst, 1, 3), [2, 3])
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# whole
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self.assertEqual(getslice(lst, 0, len(lst)), lst)
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self.assertEqual(getslice(lst, 0, 100), lst)
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self.assertEqual(getslice(lst, -100, 100), lst)
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self.assertRaises(SystemError, getslice, (1, 2, 3), 0, 0)
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self.assertRaises(SystemError, getslice, 'abc', 0, 0)
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self.assertRaises(SystemError, getslice, 42, 0, 0)
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# CRASHES getslice(NULL, 0, 0)
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def test_list_setslice(self):
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# Test PyList_SetSlice()
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list_setslice = _testlimitedcapi.list_setslice
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def set_slice(lst, low, high, value):
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lst = lst.copy()
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self.assertEqual(list_setslice(lst, low, high, value), 0)
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return lst
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# insert items
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self.assertEqual(set_slice([], 0, 0, list("abc")), list("abc"))
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self.assertEqual(set_slice([], PY_SSIZE_T_MIN, PY_SSIZE_T_MIN, list("abc")), list("abc"))
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self.assertEqual(set_slice([], PY_SSIZE_T_MAX, PY_SSIZE_T_MAX, list("abc")), list("abc"))
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lst = list("abc")
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self.assertEqual(set_slice(lst, 0, 0, ["X"]), list("Xabc"))
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self.assertEqual(set_slice(lst, 1, 1, list("XY")), list("aXYbc"))
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self.assertEqual(set_slice(lst, len(lst), len(lst), ["X"]), list("abcX"))
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# self.assertEqual(set_slice(lst, PY_SSIZE_T_MAX, PY_SSIZE_T_MAX, ["X"]), list("abcX"))
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# replace items
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lst = list("abc")
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self.assertEqual(set_slice(lst, -100, 1, list("X")), list("Xbc"))
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self.assertEqual(set_slice(lst, 1, 2, list("X")), list("aXc"))
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self.assertEqual(set_slice(lst, 1, 3, list("XY")), list("aXY"))
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self.assertEqual(set_slice(lst, 0, 3, list("XYZ")), list("XYZ"))
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# delete items
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lst = list("abcdef")
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self.assertEqual(set_slice(lst, 0, len(lst), []), [])
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self.assertEqual(set_slice(lst, -100, 100, []), [])
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self.assertEqual(set_slice(lst, 1, 5, []), list("af"))
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self.assertEqual(set_slice(lst, 3, len(lst), []), list("abc"))
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# delete items with NULL
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lst = list("abcdef")
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self.assertEqual(set_slice(lst, 0, len(lst), NULL), [])
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self.assertEqual(set_slice(lst, 3, len(lst), NULL), list("abc"))
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self.assertRaises(SystemError, list_setslice, (), 0, 0, [])
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self.assertRaises(SystemError, list_setslice, 42, 0, 0, [])
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# Item finalizer modify the list (clear the list)
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lst = []
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lst.append(DelAppend(lst, 'zombie'))
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self.assertEqual(list_setslice(lst, 0, len(lst), NULL), 0)
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self.assertEqual(lst, ['zombie'])
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# Item finalizer modify the list (remove an list item)
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lst = []
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lst.append(DelAppend(lst, 'zombie'))
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lst.extend("abc")
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self.assertEqual(list_setslice(lst, 0, 1, NULL), 0)
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self.assertEqual(lst, ['a', 'b', 'c', 'zombie'])
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# CRASHES setslice(NULL, 0, 0, [])
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def test_list_sort(self):
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# Test PyList_Sort()
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sort = _testlimitedcapi.list_sort
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lst = [4, 6, 7, 3, 1, 5, 9, 2, 0, 8]
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sort(lst)
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self.assertEqual(lst, list(range(10)))
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lst2 = ListSubclass([4, 6, 7, 3, 1, 5, 9, 2, 0, 8])
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sort(lst2)
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self.assertEqual(lst2, list(range(10)))
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self.assertRaises(SystemError, sort, ())
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self.assertRaises(SystemError, sort, object())
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self.assertRaises(SystemError, sort, NULL)
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def test_list_reverse(self):
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# Test PyList_Reverse()
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reverse = _testlimitedcapi.list_reverse
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def list_reverse(lst):
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self.assertEqual(reverse(lst), 0)
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return lst
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self.assertEqual(list_reverse([]), [])
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self.assertEqual(list_reverse([2, 5, 10]), [10, 5, 2])
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self.assertEqual(list_reverse(list_reverse([2, 5, 10])), [2, 5, 10])
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self.assertRaises(SystemError, reverse, ())
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self.assertRaises(SystemError, reverse, object())
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self.assertRaises(SystemError, reverse, NULL)
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def test_list_astuple(self):
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# Test PyList_AsTuple()
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astuple = _testlimitedcapi.list_astuple
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self.assertEqual(astuple([]), ())
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self.assertEqual(astuple([[]]), ([],))
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self.assertEqual(astuple([2, 5, 10]), (2, 5, 10))
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self.assertRaises(SystemError, astuple, ())
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self.assertRaises(SystemError, astuple, object())
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self.assertRaises(SystemError, astuple, NULL)
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def test_list_clear(self):
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# Test PyList_Clear()
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list_clear = _testcapi.list_clear
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lst = [1, 2, 3]
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self.assertEqual(list_clear(lst), 0)
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self.assertEqual(lst, [])
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lst = []
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self.assertEqual(list_clear(lst), 0)
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self.assertEqual(lst, [])
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self.assertRaises(SystemError, list_clear, ())
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self.assertRaises(SystemError, list_clear, object())
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# Item finalizer modify the list
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lst = []
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lst.append(DelAppend(lst, 'zombie'))
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list_clear(lst)
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self.assertEqual(lst, ['zombie'])
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# CRASHES list_clear(NULL)
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def test_list_extend(self):
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# Test PyList_Extend()
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list_extend = _testcapi.list_extend
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for other_type in (list, tuple, str, iter):
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lst = list("ab")
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arg = other_type("def")
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self.assertEqual(list_extend(lst, arg), 0)
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self.assertEqual(lst, list("abdef"))
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# PyList_Extend(lst, lst)
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lst = list("abc")
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self.assertEqual(list_extend(lst, lst), 0)
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self.assertEqual(lst, list("abcabc"))
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self.assertRaises(TypeError, list_extend, [], object())
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self.assertRaises(SystemError, list_extend, (), list("abc"))
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# CRASHES list_extend(NULL, [])
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# CRASHES list_extend([], NULL)
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if __name__ == "__main__":
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unittest.main()
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