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52 lines
1.5 KiB
52 lines
1.5 KiB
import unittest, os
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from ctypes import *
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from comtypes import BSTR
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from comtypes.test import requires
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##requires("memleaks")
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from comtypes.test.find_memleak import find_memleak
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class Test(unittest.TestCase):
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def check_leaks(self, func, limit=0):
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bytes = find_memleak(func)
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self.assertFalse(bytes > limit, "Leaks %d bytes" % bytes)
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def test_creation(self):
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def doit():
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BSTR("abcdef" * 100)
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# It seems this test is unreliable. Sometimes it leaks 4096
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# bytes, sometimes not. Try to workaround that...
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self.check_leaks(doit, limit=4096)
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def test_from_param(self):
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def doit():
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BSTR.from_param("abcdef")
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self.check_leaks(doit)
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def test_paramflags(self):
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prototype = WINFUNCTYPE(c_void_p, BSTR)
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func = prototype(("SysStringLen", oledll.oleaut32))
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func.restype = c_void_p
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func.argtypes = (BSTR, )
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def doit():
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func("abcdef")
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func("abc xyz")
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func(BSTR("abc def"))
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self.check_leaks(doit)
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def test_inargs(self):
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SysStringLen = windll.oleaut32.SysStringLen
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SysStringLen.argtypes = BSTR,
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SysStringLen.restype = c_uint
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self.assertEqual(SysStringLen("abc xyz"), 7)
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def doit():
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SysStringLen("abc xyz")
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SysStringLen("abc xyz")
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SysStringLen(BSTR("abc def"))
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self.check_leaks(doit)
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if __name__ == "__main__":
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unittest.main()
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