| 1 | n/a | from ctypes import * |
|---|
| 2 | n/a | from ctypes.test import need_symbol |
|---|
| 3 | n/a | import unittest |
|---|
| 4 | n/a | |
|---|
| 5 | n/a | class StringBufferTestCase(unittest.TestCase): |
|---|
| 6 | n/a | |
|---|
| 7 | n/a | def test_buffer(self): |
|---|
| 8 | n/a | b = create_string_buffer(32) |
|---|
| 9 | n/a | self.assertEqual(len(b), 32) |
|---|
| 10 | n/a | self.assertEqual(sizeof(b), 32 * sizeof(c_char)) |
|---|
| 11 | n/a | self.assertIs(type(b[0]), bytes) |
|---|
| 12 | n/a | |
|---|
| 13 | n/a | b = create_string_buffer(b"abc") |
|---|
| 14 | n/a | self.assertEqual(len(b), 4) # trailing nul char |
|---|
| 15 | n/a | self.assertEqual(sizeof(b), 4 * sizeof(c_char)) |
|---|
| 16 | n/a | self.assertIs(type(b[0]), bytes) |
|---|
| 17 | n/a | self.assertEqual(b[0], b"a") |
|---|
| 18 | n/a | self.assertEqual(b[:], b"abc\0") |
|---|
| 19 | n/a | self.assertEqual(b[::], b"abc\0") |
|---|
| 20 | n/a | self.assertEqual(b[::-1], b"\0cba") |
|---|
| 21 | n/a | self.assertEqual(b[::2], b"ac") |
|---|
| 22 | n/a | self.assertEqual(b[::5], b"a") |
|---|
| 23 | n/a | |
|---|
| 24 | n/a | self.assertRaises(TypeError, create_string_buffer, "abc") |
|---|
| 25 | n/a | |
|---|
| 26 | n/a | def test_buffer_interface(self): |
|---|
| 27 | n/a | self.assertEqual(len(bytearray(create_string_buffer(0))), 0) |
|---|
| 28 | n/a | self.assertEqual(len(bytearray(create_string_buffer(1))), 1) |
|---|
| 29 | n/a | |
|---|
| 30 | n/a | @need_symbol('c_wchar') |
|---|
| 31 | n/a | def test_unicode_buffer(self): |
|---|
| 32 | n/a | b = create_unicode_buffer(32) |
|---|
| 33 | n/a | self.assertEqual(len(b), 32) |
|---|
| 34 | n/a | self.assertEqual(sizeof(b), 32 * sizeof(c_wchar)) |
|---|
| 35 | n/a | self.assertIs(type(b[0]), str) |
|---|
| 36 | n/a | |
|---|
| 37 | n/a | b = create_unicode_buffer("abc") |
|---|
| 38 | n/a | self.assertEqual(len(b), 4) # trailing nul char |
|---|
| 39 | n/a | self.assertEqual(sizeof(b), 4 * sizeof(c_wchar)) |
|---|
| 40 | n/a | self.assertIs(type(b[0]), str) |
|---|
| 41 | n/a | self.assertEqual(b[0], "a") |
|---|
| 42 | n/a | self.assertEqual(b[:], "abc\0") |
|---|
| 43 | n/a | self.assertEqual(b[::], "abc\0") |
|---|
| 44 | n/a | self.assertEqual(b[::-1], "\0cba") |
|---|
| 45 | n/a | self.assertEqual(b[::2], "ac") |
|---|
| 46 | n/a | self.assertEqual(b[::5], "a") |
|---|
| 47 | n/a | |
|---|
| 48 | n/a | self.assertRaises(TypeError, create_unicode_buffer, b"abc") |
|---|
| 49 | n/a | |
|---|
| 50 | n/a | @need_symbol('c_wchar') |
|---|
| 51 | n/a | def test_unicode_conversion(self): |
|---|
| 52 | n/a | b = create_unicode_buffer("abc") |
|---|
| 53 | n/a | self.assertEqual(len(b), 4) # trailing nul char |
|---|
| 54 | n/a | self.assertEqual(sizeof(b), 4 * sizeof(c_wchar)) |
|---|
| 55 | n/a | self.assertIs(type(b[0]), str) |
|---|
| 56 | n/a | self.assertEqual(b[0], "a") |
|---|
| 57 | n/a | self.assertEqual(b[:], "abc\0") |
|---|
| 58 | n/a | self.assertEqual(b[::], "abc\0") |
|---|
| 59 | n/a | self.assertEqual(b[::-1], "\0cba") |
|---|
| 60 | n/a | self.assertEqual(b[::2], "ac") |
|---|
| 61 | n/a | self.assertEqual(b[::5], "a") |
|---|
| 62 | n/a | |
|---|
| 63 | n/a | if __name__ == "__main__": |
|---|
| 64 | n/a | unittest.main() |
|---|
