| import unittest |
| from ctypes import * |
| from test import test_support |
| |
| class StringArrayTestCase(unittest.TestCase): |
| def test(self): |
| BUF = c_char * 4 |
| |
| buf = BUF("a", "b", "c") |
| self.assertEqual(buf.value, "abc") |
| self.assertEqual(buf.raw, "abc\000") |
| |
| buf.value = "ABCD" |
| self.assertEqual(buf.value, "ABCD") |
| self.assertEqual(buf.raw, "ABCD") |
| |
| buf.value = "x" |
| self.assertEqual(buf.value, "x") |
| self.assertEqual(buf.raw, "x\000CD") |
| |
| buf[1] = "Z" |
| self.assertEqual(buf.value, "xZCD") |
| self.assertEqual(buf.raw, "xZCD") |
| |
| self.assertRaises(ValueError, setattr, buf, "value", "aaaaaaaa") |
| self.assertRaises(TypeError, setattr, buf, "value", 42) |
| |
| def test_c_buffer_value(self, memoryview=memoryview): |
| buf = c_buffer(32) |
| |
| buf.value = "Hello, World" |
| self.assertEqual(buf.value, "Hello, World") |
| |
| self.assertRaises(TypeError, setattr, buf, "value", memoryview("Hello, World")) |
| self.assertRaises(TypeError, setattr, buf, "value", memoryview("abc")) |
| self.assertRaises(ValueError, setattr, buf, "raw", memoryview("x" * 100)) |
| |
| def test_c_buffer_raw(self, memoryview=memoryview): |
| buf = c_buffer(32) |
| |
| buf.raw = memoryview("Hello, World") |
| self.assertEqual(buf.value, "Hello, World") |
| self.assertRaises(TypeError, setattr, buf, "value", memoryview("abc")) |
| self.assertRaises(ValueError, setattr, buf, "raw", memoryview("x" * 100)) |
| |
| def test_c_buffer_deprecated(self): |
| # Compatibility with 2.x |
| with test_support.check_py3k_warnings(): |
| self.test_c_buffer_value(buffer) |
| self.test_c_buffer_raw(buffer) |
| |
| def test_param_1(self): |
| BUF = c_char * 4 |
| buf = BUF() |
| ## print c_char_p.from_param(buf) |
| |
| def test_param_2(self): |
| BUF = c_char * 4 |
| buf = BUF() |
| ## print BUF.from_param(c_char_p("python")) |
| ## print BUF.from_param(BUF(*"pyth")) |
| |
| try: |
| c_wchar |
| except NameError: |
| pass |
| else: |
| class WStringArrayTestCase(unittest.TestCase): |
| def test(self): |
| BUF = c_wchar * 4 |
| |
| buf = BUF(u"a", u"b", u"c") |
| self.assertEqual(buf.value, u"abc") |
| |
| buf.value = u"ABCD" |
| self.assertEqual(buf.value, u"ABCD") |
| |
| buf.value = u"x" |
| self.assertEqual(buf.value, u"x") |
| |
| buf[1] = u"Z" |
| self.assertEqual(buf.value, u"xZCD") |
| |
| class StringTestCase(unittest.TestCase): |
| def XX_test_basic_strings(self): |
| cs = c_string("abcdef") |
| |
| # Cannot call len on a c_string any longer |
| self.assertRaises(TypeError, len, cs) |
| self.assertEqual(sizeof(cs), 7) |
| |
| # The value property is the string up to the first terminating NUL. |
| self.assertEqual(cs.value, "abcdef") |
| self.assertEqual(c_string("abc\000def").value, "abc") |
| |
| # The raw property is the total buffer contents: |
| self.assertEqual(cs.raw, "abcdef\000") |
| self.assertEqual(c_string("abc\000def").raw, "abc\000def\000") |
| |
| # We can change the value: |
| cs.value = "ab" |
| self.assertEqual(cs.value, "ab") |
| self.assertEqual(cs.raw, "ab\000\000\000\000\000") |
| |
| cs.raw = "XY" |
| self.assertEqual(cs.value, "XY") |
| self.assertEqual(cs.raw, "XY\000\000\000\000\000") |
| |
| self.assertRaises(TypeError, c_string, u"123") |
| |
| def XX_test_sized_strings(self): |
| |
| # New in releases later than 0.4.0: |
| self.assertRaises(TypeError, c_string, None) |
| |
| # New in releases later than 0.4.0: |
| # c_string(number) returns an empty string of size number |
| self.assertTrue(len(c_string(32).raw) == 32) |
| self.assertRaises(ValueError, c_string, -1) |
| self.assertRaises(ValueError, c_string, 0) |
| |
| # These tests fail, because it is no longer initialized |
| ## self.assertTrue(c_string(2).value == "") |
| ## self.assertTrue(c_string(2).raw == "\000\000") |
| self.assertTrue(c_string(2).raw[-1] == "\000") |
| self.assertTrue(len(c_string(2).raw) == 2) |
| |
| def XX_test_initialized_strings(self): |
| |
| self.assertTrue(c_string("ab", 4).raw[:2] == "ab") |
| self.assertTrue(c_string("ab", 4).raw[:2:] == "ab") |
| self.assertTrue(c_string("ab", 4).raw[:2:-1] == "ba") |
| self.assertTrue(c_string("ab", 4).raw[:2:2] == "a") |
| self.assertTrue(c_string("ab", 4).raw[-1] == "\000") |
| self.assertTrue(c_string("ab", 2).raw == "a\000") |
| |
| def XX_test_toolong(self): |
| cs = c_string("abcdef") |
| # Much too long string: |
| self.assertRaises(ValueError, setattr, cs, "value", "123456789012345") |
| |
| # One char too long values: |
| self.assertRaises(ValueError, setattr, cs, "value", "1234567") |
| |
| ## def test_perf(self): |
| ## check_perf() |
| |
| try: |
| c_wchar |
| except NameError: |
| pass |
| else: |
| class WStringTestCase(unittest.TestCase): |
| def test_wchar(self): |
| c_wchar(u"x") |
| repr(byref(c_wchar(u"x"))) |
| c_wchar("x") |
| |
| |
| def X_test_basic_wstrings(self): |
| cs = c_wstring(u"abcdef") |
| |
| # XXX This behaviour is about to change: |
| # len returns the size of the internal buffer in bytes. |
| # This includes the terminating NUL character. |
| self.assertTrue(sizeof(cs) == 14) |
| |
| # The value property is the string up to the first terminating NUL. |
| self.assertTrue(cs.value == u"abcdef") |
| self.assertTrue(c_wstring(u"abc\000def").value == u"abc") |
| |
| self.assertTrue(c_wstring(u"abc\000def").value == u"abc") |
| |
| # The raw property is the total buffer contents: |
| self.assertTrue(cs.raw == u"abcdef\000") |
| self.assertTrue(c_wstring(u"abc\000def").raw == u"abc\000def\000") |
| |
| # We can change the value: |
| cs.value = u"ab" |
| self.assertTrue(cs.value == u"ab") |
| self.assertTrue(cs.raw == u"ab\000\000\000\000\000") |
| |
| self.assertRaises(TypeError, c_wstring, "123") |
| self.assertRaises(ValueError, c_wstring, 0) |
| |
| def X_test_toolong(self): |
| cs = c_wstring(u"abcdef") |
| # Much too long string: |
| self.assertRaises(ValueError, setattr, cs, "value", u"123456789012345") |
| |
| # One char too long values: |
| self.assertRaises(ValueError, setattr, cs, "value", u"1234567") |
| |
| |
| def run_test(rep, msg, func, arg): |
| items = range(rep) |
| from time import clock |
| start = clock() |
| for i in items: |
| func(arg); func(arg); func(arg); func(arg); func(arg) |
| stop = clock() |
| print "%20s: %.2f us" % (msg, ((stop-start)*1e6/5/rep)) |
| |
| def check_perf(): |
| # Construct 5 objects |
| |
| REP = 200000 |
| |
| run_test(REP, "c_string(None)", c_string, None) |
| run_test(REP, "c_string('abc')", c_string, 'abc') |
| |
| # Python 2.3 -OO, win2k, P4 700 MHz: |
| # |
| # c_string(None): 1.75 us |
| # c_string('abc'): 2.74 us |
| |
| # Python 2.2 -OO, win2k, P4 700 MHz: |
| # |
| # c_string(None): 2.95 us |
| # c_string('abc'): 3.67 us |
| |
| |
| if __name__ == '__main__': |
| ## check_perf() |
| unittest.main() |