2015-05-01 21:57:22 +00:00
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from __future__ import print_function
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from __future__ import division
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from __future__ import absolute_import
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2013-06-24 07:24:37 +00:00
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import unittest
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from jnius import autoclass
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class StringArgumentForByteArrayTest(unittest.TestCase):
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def test_string_arg_for_byte_array(self):
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# the ByteBuffer.wrap() accept only byte[].
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ByteBuffer = autoclass('java.nio.ByteBuffer')
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2015-05-01 21:57:22 +00:00
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self.assertIsNotNone(ByteBuffer.wrap(b'hello world'))
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2015-02-06 17:34:50 +00:00
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def test_string_arg_with_signed_char(self):
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ByteBuffer = autoclass('java.nio.ByteBuffer')
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2015-05-01 21:57:22 +00:00
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self.assertIsNotNone(ByteBuffer.wrap(b'\x00\xffHello World\x7f'))
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2015-02-07 18:31:04 +00:00
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def test_fill_byte_array(self):
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arr = [0, 0, 0]
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Test = autoclass('org.jnius.BasicsTest')()
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Test.fillByteArray(arr)
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2015-12-10 12:20:39 +00:00
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# we don't received signed byte, but unsigned in python.
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2015-02-07 18:31:04 +00:00
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self.assertEquals(
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arr,
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2015-12-10 12:20:39 +00:00
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[127, 1, 129])
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2015-12-09 23:55:08 +00:00
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def test_create_bytearray(self):
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StringBufferInputStream = autoclass('java.io.StringBufferInputStream')
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nis = StringBufferInputStream("Hello world")
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2015-12-10 12:20:39 +00:00
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barr = bytearray("\x00" * 5, encoding="utf8")
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2015-12-09 23:55:08 +00:00
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self.assertEquals(nis.read(barr, 0, 5), 5)
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2015-12-10 13:14:48 +00:00
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self.assertEquals(barr, b"Hello")
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2015-12-09 23:55:08 +00:00
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2015-12-10 12:20:39 +00:00
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def test_bytearray_ascii(self):
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ByteArrayInputStream = autoclass('java.io.ByteArrayInputStream')
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2015-12-10 13:14:48 +00:00
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s = b"".join(bytes(x) for x in range(256))
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2015-12-10 12:20:39 +00:00
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nis = ByteArrayInputStream(s)
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barr = bytearray("\x00" * 256, encoding="ascii")
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self.assertEquals(nis.read(barr, 0, 256), 256)
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2015-12-10 13:14:48 +00:00
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self.assertEquals(barr[:256], s[:256])
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2015-12-10 12:20:39 +00:00
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2017-04-12 13:59:07 +00:00
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def test_empty_bytearray(self):
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Test = autoclass('org.jnius.BasicsTest')()
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arr = Test.methodReturnEmptyByteArray()
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self.assertEquals(len(arr), 0)
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with self.assertRaises(IndexError):
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arr[0]
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self.assertEquals(arr, [])
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self.assertEquals(arr[:1], [])
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self.assertEquals(arr.tostring(), b'')
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