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bpo-33334: Support NOP and EXTENDED_ARG in dis.stack_effect(). (#6566)

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Added tests to ensure that all defined opcodes are supported.
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Serhiy Storchaka 2018-04-25 22:04:06 +03:00 • committed by GitHub
parent e9d9494d6b
commit 57faf34887
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3 changed files with 21 additions and 0 deletions
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15
Lib/test/test__opcode.py
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@ -15,6 +15,21 @@ class OpcodeTests(unittest.TestCase):
self.assertRaises(ValueError, _opcode.stack_effect, 30000)
self.assertRaises(ValueError, _opcode.stack_effect, dis.opmap['BUILD_SLICE'])
self.assertRaises(ValueError, _opcode.stack_effect, dis.opmap['POP_TOP'], 0)
# All defined opcodes
for name, code in dis.opmap.items():
with self.subTest(opname=name):
if code < dis.HAVE_ARGUMENT:
_opcode.stack_effect(code)
self.assertRaises(ValueError, _opcode.stack_effect, code, 0)
else:
_opcode.stack_effect(code, 0)
self.assertRaises(ValueError, _opcode.stack_effect, code)
# All not defined opcodes
for code in set(range(256)) - set(dis.opmap.values()):
with self.subTest(opcode=code):
self.assertRaises(ValueError, _opcode.stack_effect, code)
self.assertRaises(ValueError, _opcode.stack_effect, code, 0)
if __name__ == "__main__":
unittest.main()