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import pychrysalide
from chrysacase import ChrysalideTestCase
from pychrysalide.arch import ArchInstruction
class TestProcessor(ChrysalideTestCase):
"""TestCase for arch.ArchProcessor."""
def testAbstractClass(self):
"""Forbid instruction class instance."""
with self.assertRaisesRegex(RuntimeError, 'pychrysalide.arch.ArchInstruction is an abstract class'):
ins = ArchInstruction()
def testInstructionBasicImplementation(self):
"""Implement basic custom instructions."""
class TodoInstruction(ArchInstruction):
def __init__(self):
super().__init__(0x123)
ins = TodoInstruction()
with self.assertRaisesRegex(NotImplementedError, 'unexpected NULL value as encoding'):
print(ins.encoding)
with self.assertRaisesRegex(NotImplementedError, 'unexpected NULL value as keyword'):
print(ins.keyword)
class CustomInstruction(ArchInstruction):
def __init__(self):
super().__init__(0x123)
def _get_encoding(self):
return 'custom'
def _get_keyword(self):
return 'kw'
ins = CustomInstruction()
self.assertEqual('custom', ins.encoding)
self.assertEqual('kw', ins.keyword)
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