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https://github.com/QB64-Phoenix-Edition/QB64pe.git
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46 lines
1.2 KiB
Python
46 lines
1.2 KiB
Python
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import sys, unittest
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from ctypes import *
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structures = []
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byteswapped_structures = []
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if sys.byteorder == "little":
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SwappedStructure = BigEndianStructure
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else:
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SwappedStructure = LittleEndianStructure
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for typ in [c_short, c_int, c_long, c_longlong,
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c_float, c_double,
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c_ushort, c_uint, c_ulong, c_ulonglong]:
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class X(Structure):
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_pack_ = 1
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_fields_ = [("pad", c_byte),
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("value", typ)]
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class Y(SwappedStructure):
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_pack_ = 1
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_fields_ = [("pad", c_byte),
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("value", typ)]
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structures.append(X)
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byteswapped_structures.append(Y)
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class TestStructures(unittest.TestCase):
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def test_native(self):
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for typ in structures:
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## print typ.value
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self.assertEqual(typ.value.offset, 1)
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o = typ()
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o.value = 4
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self.assertEqual(o.value, 4)
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def test_swapped(self):
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for typ in byteswapped_structures:
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## print >> sys.stderr, typ.value
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self.assertEqual(typ.value.offset, 1)
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o = typ()
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o.value = 4
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self.assertEqual(o.value, 4)
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if __name__ == '__main__':
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unittest.main()
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