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75 lines
2.8 KiB
75 lines
2.8 KiB
# tests for win32gui
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import unittest
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import win32gui
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import pywin32_testutil
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import operator
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import array
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import sys
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# theoretically should be in pywin32_testutil, but this is the only place
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# that currently needs such a function...
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def ob2bytes(ob):
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if sys.version_info < (3,0):
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return str(buffer(ob))
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# py3k.
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return bytes(ob)
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class TestPyGetString(unittest.TestCase):
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def test_get_string(self):
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# test invalid addresses cause a ValueError rather than crash!
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self.assertRaises(ValueError, win32gui.PyGetString, 0)
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self.assertRaises(ValueError, win32gui.PyGetString, 1)
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self.assertRaises(ValueError, win32gui.PyGetString, 1,1)
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class TestPyGetMemory(unittest.TestCase):
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def test_ob(self):
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# Check the PyGetMemory result and a bytes string can be compared
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test_data = pywin32_testutil.str2bytes("\0\1\2\3\4\5\6")
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c = array.array("b", test_data)
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addr, buflen = c.buffer_info()
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got = win32gui.PyGetMemory(addr, buflen)
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self.failUnlessEqual(len(got), len(test_data))
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self.failUnlessEqual(ob2bytes(got), test_data)
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def test_memory_index(self):
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# Check we can index into the buffer object returned by PyGetMemory
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test_data = pywin32_testutil.str2bytes("\0\1\2\3\4\5\6")
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c = array.array("b", test_data)
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addr, buflen = c.buffer_info()
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got = win32gui.PyGetMemory(addr, buflen)
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self.failUnlessEqual(got[0], pywin32_testutil.str2bytes('\0'))
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def test_memory_slice(self):
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# Check we can slice the buffer object returned by PyGetMemory
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test_data = pywin32_testutil.str2bytes("\0\1\2\3\4\5\6")
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c = array.array("b", test_data)
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addr, buflen = c.buffer_info()
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got = win32gui.PyGetMemory(addr, buflen)
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self.failUnlessEqual(got[0:3], pywin32_testutil.str2bytes('\0\1\2'))
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def test_real_view(self):
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# Do the PyGetMemory, then change the original memory, then ensure
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# the initial object we fetched sees the new value.
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test_data = pywin32_testutil.str2bytes("\0\1\2\3\4\5\6")
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c = array.array("b", test_data)
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addr, buflen = c.buffer_info()
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got = win32gui.PyGetMemory(addr, buflen)
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self.failUnlessEqual(got[0], pywin32_testutil.str2bytes('\0'))
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new = pywin32_testutil.str2bytes('\1')
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c[0] = 1
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self.failUnlessEqual(got[0], new)
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def test_memory_not_writable(self):
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# Check the buffer object fetched by PyGetMemory isn't writable.
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test_data = pywin32_testutil.str2bytes("\0\1\2\3\4\5\6")
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c = array.array("b", test_data)
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addr, buflen = c.buffer_info()
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got = win32gui.PyGetMemory(addr, buflen)
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new = pywin32_testutil.str2bytes('\1')
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self.failUnlessRaises(TypeError, operator.setitem, got, 0, new)
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if __name__=='__main__':
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unittest.main()
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