1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
# *****************************************************************************
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# See NOTICE file for details.
#
# *****************************************************************************
import jpype
import _jpype
import common
class ByteBufferCase(common.JPypeTestCase):
def setUp(self):
common.JPypeTestCase.setUp(self)
def testConvertToDirectBuffer(self):
a = bytearray([0, 0, 0, 0])
bb = jpype.nio.convertToDirectBuffer(a)
self.assertIsInstance(bb, jpype.JClass("java.nio.DirectByteBuffer"))
bb.put(1)
bb.put(2)
bb.put(3)
bb.put(4)
self.assertEqual(a, bytearray([1, 2, 3, 4]))
with self.assertRaises(jpype.JException):
bb.put(5)
def testConvertToDirectBufferFail(self):
a = bytes([0, 0, 0, 0])
with self.assertRaises(ValueError):
bb = jpype.nio.convertToDirectBuffer(a)
def testRepr(self):
a = bytearray([0, 0, 0, 0])
bb = jpype.nio.convertToDirectBuffer(a)
self.assertIsInstance(repr(bb), str)
self.assertEqual(repr(bb), "<java buffer 'java.nio.DirectByteBuffer'>")
def testMemoryView(self):
self.assertEqual(memoryview(jpype.java.nio.ByteBuffer.allocateDirect(100)).nbytes, 100)
|
