def test_setitem_indexerror(self):
Element = self.etree.Element
SubElement = self.etree.SubElement
a = Element('a')
b = SubElement(a, 'b')
self.assertRaises(IndexError, operator.setitem, a, 1, Element('c'))
python类setitem()的实例源码
def test_setitem(self):
a = list(range(3))
self.assertRaises(TypeError, operator.setitem, a)
self.assertRaises(TypeError, operator.setitem, a, None, None)
self.assertTrue(operator.setitem(a, 0, 2) is None)
self.assertTrue(a == [2, 1, 2])
self.assertRaises(IndexError, operator.setitem, a, 4, 2)
def test_buffer(self):
a = array.array(self.typecode, self.example)
m = memoryview(a)
expected = m.tobytes()
self.assertEqual(a.tobytes(), expected)
self.assertEqual(a.tobytes()[0], expected[0])
# Resizing is forbidden when there are buffer exports.
# For issue 4509, we also check after each error that
# the array was not modified.
if support.check_impl_detail(pypy=True):
# PyPy export buffers differently, and allows reallocation
# of the underlying object.
return
self.assertRaises(BufferError, a.append, a[0])
self.assertEqual(m.tobytes(), expected)
self.assertRaises(BufferError, a.extend, a[0:1])
self.assertEqual(m.tobytes(), expected)
self.assertRaises(BufferError, a.remove, a[0])
self.assertEqual(m.tobytes(), expected)
self.assertRaises(BufferError, a.pop, 0)
self.assertEqual(m.tobytes(), expected)
self.assertRaises(BufferError, a.fromlist, a.tolist())
self.assertEqual(m.tobytes(), expected)
self.assertRaises(BufferError, a.frombytes, a.tobytes())
self.assertEqual(m.tobytes(), expected)
if self.typecode == 'u':
self.assertRaises(BufferError, a.fromunicode, a.tounicode())
self.assertEqual(m.tobytes(), expected)
self.assertRaises(BufferError, operator.imul, a, 2)
self.assertEqual(m.tobytes(), expected)
self.assertRaises(BufferError, operator.imul, a, 0)
self.assertEqual(m.tobytes(), expected)
self.assertRaises(BufferError, operator.setitem, a, slice(0, 0), a)
self.assertEqual(m.tobytes(), expected)
self.assertRaises(BufferError, operator.delitem, a, 0)
self.assertEqual(m.tobytes(), expected)
self.assertRaises(BufferError, operator.delitem, a, slice(0, 1))
self.assertEqual(m.tobytes(), expected)
def test_setslice_cint(self):
a = (c_int * 100)(*range(1100, 1200))
b = list(range(1100, 1200))
a[32:47] = list(range(32, 47))
self.assertEqual(a[32:47], list(range(32, 47)))
a[32:47] = range(132, 147)
self.assertEqual(a[32:47:], list(range(132, 147)))
a[46:31:-1] = range(232, 247)
self.assertEqual(a[32:47:1], list(range(246, 231, -1)))
a[32:47] = range(1132, 1147)
self.assertEqual(a[:], b)
a[32:47:7] = range(3)
b[32:47:7] = range(3)
self.assertEqual(a[:], b)
a[33::-3] = range(12)
b[33::-3] = range(12)
self.assertEqual(a[:], b)
from operator import setitem
# TypeError: int expected instead of str instance
self.assertRaises(TypeError, setitem, a, slice(0, 5), "abcde")
# TypeError: int expected instead of str instance
self.assertRaises(TypeError, setitem, a, slice(0, 5),
["a", "b", "c", "d", "e"])
# TypeError: int expected instead of float instance
self.assertRaises(TypeError, setitem, a, slice(0, 5),
[1, 2, 3, 4, 3.14])
# ValueError: Can only assign sequence of same size
self.assertRaises(ValueError, setitem, a, slice(0, 5), range(32))
def test_wchar_ptr(self):
s = "abcdefghijklmnopqrstuvwxyz\0"
dll = CDLL(_ctypes_test.__file__)
dll.my_wcsdup.restype = POINTER(c_wchar)
dll.my_wcsdup.argtypes = POINTER(c_wchar),
dll.my_free.restype = None
res = dll.my_wcsdup(s)
self.assertEqual(res[:len(s)], s)
self.assertEqual(res[:len(s):], s)
self.assertEqual(res[len(s)-1:-1:-1], s[::-1])
self.assertEqual(res[len(s)-1:5:-7], s[:5:-7])
import operator
self.assertRaises(TypeError, operator.setitem,
res, slice(0, 5), "abcde")
dll.my_free(res)
if sizeof(c_wchar) == sizeof(c_short):
dll.my_wcsdup.restype = POINTER(c_short)
elif sizeof(c_wchar) == sizeof(c_int):
dll.my_wcsdup.restype = POINTER(c_int)
elif sizeof(c_wchar) == sizeof(c_long):
dll.my_wcsdup.restype = POINTER(c_long)
else:
return
res = dll.my_wcsdup(s)
tmpl = list(range(ord("a"), ord("z")+1))
self.assertEqual(res[:len(s)-1], tmpl)
self.assertEqual(res[:len(s)-1:], tmpl)
self.assertEqual(res[len(s)-2:-1:-1], tmpl[::-1])
self.assertEqual(res[len(s)-2:5:-7], tmpl[:5:-7])
dll.my_free(res)
################################################################
reflection_test.py 文件源码
项目：Vector-Tiles-Reader-QGIS-Plugin
作者: geometalab
项目源码
文件源码
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def testTopLevelExtensionsForRepeatedScalar(self):
extendee_proto = unittest_pb2.TestAllExtensions()
extension = unittest_pb2.repeated_string_extension
self.assertEqual(0, len(extendee_proto.Extensions[extension]))
extendee_proto.Extensions[extension].append('foo')
self.assertEqual(['foo'], extendee_proto.Extensions[extension])
string_list = extendee_proto.Extensions[extension]
extendee_proto.ClearExtension(extension)
self.assertEqual(0, len(extendee_proto.Extensions[extension]))
self.assertTrue(string_list is not extendee_proto.Extensions[extension])
# Shouldn't be allowed to do Extensions[extension] = 'a'
self.assertRaises(TypeError, operator.setitem, extendee_proto.Extensions,
extension, 'a')
def test_setitem(self):
a = range(3)
self.assertRaises(TypeError, operator.setitem, a)
self.assertRaises(TypeError, operator.setitem, a, None, None)
self.assertTrue(operator.setitem(a, 0, 2) is None)
self.assertTrue(a == [2, 1, 2])
self.assertRaises(IndexError, operator.setitem, a, 4, 2)
def test_setslice_cint(self):
a = (c_int * 100)(*xrange(1100, 1200))
b = range(1100, 1200)
a[32:47] = range(32, 47)
self.assertEqual(a[32:47], range(32, 47))
a[32:47] = range(132, 147)
self.assertEqual(a[32:47:], range(132, 147))
a[46:31:-1] = range(232, 247)
self.assertEqual(a[32:47:1], range(246, 231, -1))
a[32:47] = range(1132, 1147)
self.assertEqual(a[:], b)
a[32:47:7] = range(3)
b[32:47:7] = range(3)
self.assertEqual(a[:], b)
a[33::-3] = range(12)
b[33::-3] = range(12)
self.assertEqual(a[:], b)
from operator import setslice, setitem
# TypeError: int expected instead of str instance
self.assertRaises(TypeError, setslice, a, 0, 5, "abcde")
self.assertRaises(TypeError, setitem, a, slice(0, 5), "abcde")
# TypeError: int expected instead of str instance
self.assertRaises(TypeError, setslice, a, 0, 5, ["a", "b", "c", "d", "e"])
self.assertRaises(TypeError, setitem, a, slice(0, 5),
["a", "b", "c", "d", "e"])
# TypeError: int expected instead of float instance
self.assertRaises(TypeError, setslice, a, 0, 5, [1, 2, 3, 4, 3.14])
self.assertRaises(TypeError, setitem, a, slice(0, 5),
[1, 2, 3, 4, 3.14])
# ValueError: Can only assign sequence of same size
self.assertRaises(ValueError, setslice, a, 0, 5, range(32))
self.assertRaises(ValueError, setitem, a, slice(0, 5), range(32))
def test_char_ptr(self):
s = "abcdefghijklmnopqrstuvwxyz"
dll = CDLL(_ctypes_test.__file__)
dll.my_strdup.restype = POINTER(c_char)
dll.my_free.restype = None
res = dll.my_strdup(s)
self.assertEqual(res[:len(s)], s)
self.assertEqual(res[:3], s[:3])
self.assertEqual(res[:len(s):], s)
self.assertEqual(res[len(s)-1:-1:-1], s[::-1])
self.assertEqual(res[len(s)-1:5:-7], s[:5:-7])
self.assertEqual(res[0:-1:-1], s[0::-1])
import operator
self.assertRaises(ValueError, operator.getitem,
res, slice(None, None, None))
self.assertRaises(ValueError, operator.getitem,
res, slice(0, None, None))
self.assertRaises(ValueError, operator.getitem,
res, slice(None, 5, -1))
self.assertRaises(ValueError, operator.getitem,
res, slice(-5, None, None))
self.assertRaises(TypeError, operator.setslice,
res, 0, 5, u"abcde")
self.assertRaises(TypeError, operator.setitem,
res, slice(0, 5), u"abcde")
dll.my_free(res)
dll.my_strdup.restype = POINTER(c_byte)
res = dll.my_strdup(s)
self.assertEqual(res[:len(s)], range(ord("a"), ord("z")+1))
self.assertEqual(res[:len(s):], range(ord("a"), ord("z")+1))
dll.my_free(res)
def test_setitem(self):
a = range(3)
self.assertRaises(TypeError, operator.setitem, a)
self.assertRaises(TypeError, operator.setitem, a, None, None)
self.assertTrue(operator.setitem(a, 0, 2) is None)
self.assertTrue(a == [2, 1, 2])
self.assertRaises(IndexError, operator.setitem, a, 4, 2)
def test_setslice_cint(self):
a = (c_int * 100)(*xrange(1100, 1200))
b = range(1100, 1200)
a[32:47] = range(32, 47)
self.assertEqual(a[32:47], range(32, 47))
a[32:47] = range(132, 147)
self.assertEqual(a[32:47:], range(132, 147))
a[46:31:-1] = range(232, 247)
self.assertEqual(a[32:47:1], range(246, 231, -1))
a[32:47] = range(1132, 1147)
self.assertEqual(a[:], b)
a[32:47:7] = range(3)
b[32:47:7] = range(3)
self.assertEqual(a[:], b)
a[33::-3] = range(12)
b[33::-3] = range(12)
self.assertEqual(a[:], b)
from operator import setslice, setitem
# TypeError: int expected instead of str instance
self.assertRaises(TypeError, setslice, a, 0, 5, "abcde")
self.assertRaises(TypeError, setitem, a, slice(0, 5), "abcde")
# TypeError: int expected instead of str instance
self.assertRaises(TypeError, setslice, a, 0, 5, ["a", "b", "c", "d", "e"])
self.assertRaises(TypeError, setitem, a, slice(0, 5),
["a", "b", "c", "d", "e"])
# TypeError: int expected instead of float instance
self.assertRaises(TypeError, setslice, a, 0, 5, [1, 2, 3, 4, 3.14])
self.assertRaises(TypeError, setitem, a, slice(0, 5),
[1, 2, 3, 4, 3.14])
# ValueError: Can only assign sequence of same size
self.assertRaises(ValueError, setslice, a, 0, 5, range(32))
self.assertRaises(ValueError, setitem, a, slice(0, 5), range(32))
def test_char_ptr(self):
s = "abcdefghijklmnopqrstuvwxyz"
dll = CDLL(_ctypes_test.__file__)
dll.my_strdup.restype = POINTER(c_char)
dll.my_free.restype = None
res = dll.my_strdup(s)
self.assertEqual(res[:len(s)], s)
self.assertEqual(res[:3], s[:3])
self.assertEqual(res[:len(s):], s)
self.assertEqual(res[len(s)-1:-1:-1], s[::-1])
self.assertEqual(res[len(s)-1:5:-7], s[:5:-7])
self.assertEqual(res[0:-1:-1], s[0::-1])
import operator
self.assertRaises(ValueError, operator.getitem,
res, slice(None, None, None))
self.assertRaises(ValueError, operator.getitem,
res, slice(0, None, None))
self.assertRaises(ValueError, operator.getitem,
res, slice(None, 5, -1))
self.assertRaises(ValueError, operator.getitem,
res, slice(-5, None, None))
self.assertRaises(TypeError, operator.setslice,
res, 0, 5, u"abcde")
self.assertRaises(TypeError, operator.setitem,
res, slice(0, 5), u"abcde")
dll.my_free(res)
dll.my_strdup.restype = POINTER(c_byte)
res = dll.my_strdup(s)
self.assertEqual(res[:len(s)], range(ord("a"), ord("z")+1))
self.assertEqual(res[:len(s):], range(ord("a"), ord("z")+1))
dll.my_free(res)
def _change(self, key, oldv, newv):
"""Analyze changed values and trigger changed events on dependencies."""
if oldv is missing:
# add
vdep = EventDependency(tracker=self._tracker)
self._key_dependencies[key] = vdep
if self._is_immutable(newv):
self._all_immutables.follow(vdep)
else:
self._follow_reactive(newv, key=key)
change = (operator.setitem, (self, key, newv))
vdep.changed(change)
self._structure.changed(change)
elif newv is missing:
# delete
vdep = self._key_dependencies.pop(key)
change = (operator.delitem, (self, key))
vdep.changed(change)
self._structure.changed(change)
if self._is_immutable(oldv):
self._all_immutables.unfollow(vdep)
else:
self._follow_reactive(oldv, stop=True)
else:
# change
is_immu = self._is_immutable(newv)
if oldv is newv or (is_immu and self._equal(oldv, newv)):
return
was_reactive = isinstance(oldv, ReactiveContainerBase)
is_reactive = isinstance(newv, ReactiveContainerBase)
dep = self._key_dependencies[key]
if was_reactive:
self._follow_reactive(oldv, stop=True)
if is_reactive:
self._follow_reactive(newv)
dep.changed((operator.setitem, (self, key, newv)))
def _follow_transform(self, followed, key, *changes):
change = (operator.setitem, (self, key, followed))
return (change,) + changes
def test_setslice_cint(self):
a = (c_int * 100)(*xrange(1100, 1200))
b = range(1100, 1200)
a[32:47] = range(32, 47)
self.assertEqual(a[32:47], range(32, 47))
a[32:47] = range(132, 147)
self.assertEqual(a[32:47:], range(132, 147))
a[46:31:-1] = range(232, 247)
self.assertEqual(a[32:47:1], range(246, 231, -1))
a[32:47] = range(1132, 1147)
self.assertEqual(a[:], b)
a[32:47:7] = range(3)
b[32:47:7] = range(3)
self.assertEqual(a[:], b)
a[33::-3] = range(12)
b[33::-3] = range(12)
self.assertEqual(a[:], b)
from operator import setslice, setitem
# TypeError: int expected instead of str instance
self.assertRaises(TypeError, setslice, a, 0, 5, "abcde")
self.assertRaises(TypeError, setitem, a, slice(0, 5), "abcde")
# TypeError: int expected instead of str instance
self.assertRaises(TypeError, setslice, a, 0, 5, ["a", "b", "c", "d", "e"])
self.assertRaises(TypeError, setitem, a, slice(0, 5),
["a", "b", "c", "d", "e"])
# TypeError: int expected instead of float instance
self.assertRaises(TypeError, setslice, a, 0, 5, [1, 2, 3, 4, 3.14])
self.assertRaises(TypeError, setitem, a, slice(0, 5),
[1, 2, 3, 4, 3.14])
# ValueError: Can only assign sequence of same size
self.assertRaises(ValueError, setslice, a, 0, 5, range(32))
self.assertRaises(ValueError, setitem, a, slice(0, 5), range(32))
def test_char_ptr(self):
s = "abcdefghijklmnopqrstuvwxyz"
dll = CDLL(_ctypes_test.__file__)
dll.my_strdup.restype = POINTER(c_char)
dll.my_free.restype = None
res = dll.my_strdup(s)
self.assertEqual(res[:len(s)], s)
self.assertEqual(res[:3], s[:3])
self.assertEqual(res[:len(s):], s)
self.assertEqual(res[len(s)-1:-1:-1], s[::-1])
self.assertEqual(res[len(s)-1:5:-7], s[:5:-7])
self.assertEqual(res[0:-1:-1], s[0::-1])
import operator
self.assertRaises(ValueError, operator.getitem,
res, slice(None, None, None))
self.assertRaises(ValueError, operator.getitem,
res, slice(0, None, None))
self.assertRaises(ValueError, operator.getitem,
res, slice(None, 5, -1))
self.assertRaises(ValueError, operator.getitem,
res, slice(-5, None, None))
self.assertRaises(TypeError, operator.setslice,
res, 0, 5, u"abcde")
self.assertRaises(TypeError, operator.setitem,
res, slice(0, 5), u"abcde")
dll.my_free(res)
dll.my_strdup.restype = POINTER(c_byte)
res = dll.my_strdup(s)
self.assertEqual(res[:len(s)], range(ord("a"), ord("z")+1))
self.assertEqual(res[:len(s):], range(ord("a"), ord("z")+1))
dll.my_free(res)
def test_wchar_ptr(self):
s = u"abcdefghijklmnopqrstuvwxyz\0"
dll = CDLL(_ctypes_test.__file__)
dll.my_wcsdup.restype = POINTER(c_wchar)
dll.my_wcsdup.argtypes = POINTER(c_wchar),
dll.my_free.restype = None
res = dll.my_wcsdup(s)
self.assertEqual(res[:len(s)], s)
self.assertEqual(res[:len(s):], s)
self.assertEqual(res[len(s)-1:-1:-1], s[::-1])
self.assertEqual(res[len(s)-1:5:-7], s[:5:-7])
import operator
self.assertRaises(TypeError, operator.setslice,
res, 0, 5, u"abcde")
self.assertRaises(TypeError, operator.setitem,
res, slice(0, 5), u"abcde")
dll.my_free(res)
if sizeof(c_wchar) == sizeof(c_short):
dll.my_wcsdup.restype = POINTER(c_short)
elif sizeof(c_wchar) == sizeof(c_int):
dll.my_wcsdup.restype = POINTER(c_int)
elif sizeof(c_wchar) == sizeof(c_long):
dll.my_wcsdup.restype = POINTER(c_long)
else:
self.skipTest('Pointers to c_wchar are not supported')
res = dll.my_wcsdup(s)
tmpl = range(ord("a"), ord("z")+1)
self.assertEqual(res[:len(s)-1], tmpl)
self.assertEqual(res[:len(s)-1:], tmpl)
self.assertEqual(res[len(s)-2:-1:-1], tmpl[::-1])
self.assertEqual(res[len(s)-2:5:-7], tmpl[:5:-7])
dll.my_free(res)
################################################################
def testTopLevelExtensionsForRepeatedScalar(self):
extendee_proto = unittest_pb2.TestAllExtensions()
extension = unittest_pb2.repeated_string_extension
self.assertEqual(0, len(extendee_proto.Extensions[extension]))
extendee_proto.Extensions[extension].append('foo')
self.assertEqual(['foo'], extendee_proto.Extensions[extension])
string_list = extendee_proto.Extensions[extension]
extendee_proto.ClearExtension(extension)
self.assertEqual(0, len(extendee_proto.Extensions[extension]))
self.assertTrue(string_list is not extendee_proto.Extensions[extension])
# Shouldn't be allowed to do Extensions[extension] = 'a'
self.assertRaises(TypeError, operator.setitem, extendee_proto.Extensions,
extension, 'a')
def testTopLevelExtensionsForRepeatedScalar(self):
extendee_proto = unittest_pb2.TestAllExtensions()
extension = unittest_pb2.repeated_string_extension
self.assertEqual(0, len(extendee_proto.Extensions[extension]))
extendee_proto.Extensions[extension].append('foo')
self.assertEqual(['foo'], extendee_proto.Extensions[extension])
string_list = extendee_proto.Extensions[extension]
extendee_proto.ClearExtension(extension)
self.assertEqual(0, len(extendee_proto.Extensions[extension]))
self.assertTrue(string_list is not extendee_proto.Extensions[extension])
# Shouldn't be allowed to do Extensions[extension] = 'a'
self.assertRaises(TypeError, operator.setitem, extendee_proto.Extensions,
extension, 'a')
def rotate_row(grid, y, n):
rotate(lambda i: grid[y][i], lambda i, v: operator.setitem(grid[y], i, v), n, len(grid[y]))
