diff options
Diffstat (limited to 'sources/pyside6/tests/pysidetest/enum_test.py')
| -rw-r--r-- | sources/pyside6/tests/pysidetest/enum_test.py | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/sources/pyside6/tests/pysidetest/enum_test.py b/sources/pyside6/tests/pysidetest/enum_test.py index 34f90702a..832834530 100644 --- a/sources/pyside6/tests/pysidetest/enum_test.py +++ b/sources/pyside6/tests/pysidetest/enum_test.py @@ -13,6 +13,8 @@ init_test_paths(True) from PySide6.QtCore import Qt from testbinding import Enum1, TestObjectWithoutNamespace +import dis + class ListConnectionTest(unittest.TestCase): @@ -45,6 +47,140 @@ class ListConnectionTest(unittest.TestCase): self.assertTrue(Qt.AlignBottom > Qt.AlignHCenter) +# PYSIDE-1735: We are testing that opcodes do what they are supposed to do. +# This is needed in the PyEnum forgiveness mode where we need +# to introspect the code if an Enum was called with no args. +class InvestigateOpcodesTest(unittest.TestCase): + + def probe_function1(self): + x = Qt.Alignment + + def probe_function2(self): + x = Qt.Alignment() + + @staticmethod + def read_code(func, **kw): + return list(instr[:3] for instr in dis.Bytecode(func, **kw)) + + @staticmethod + def get_sizes(func, **kw): + ops = list((instr.opname, instr.offset) for instr in dis.Bytecode(func, **kw)) + res = [] + for idx in range(1, len(ops)): + res.append((ops[idx - 1][0], ops[idx][1] - ops[idx - 1][1])) + return sorted(res, key=lambda x: (x[1], x[0])) + + _sin = sys.implementation.name + + @unittest.skipIf(hasattr(sys.flags, "nogil"), f"{_sin} has different opcodes") + def testByteCode(self): + import dis + # opname, opcode, arg + result_1 = [('LOAD_GLOBAL', 116, 0), + ('LOAD_ATTR', 106, 1), + ('STORE_FAST', 125, 1), + ('LOAD_CONST', 100, 0), + ('RETURN_VALUE', 83, None)] + + result_2 = [('LOAD_GLOBAL', 116, 0), + ('LOAD_METHOD', 160, 1), + ('CALL_METHOD', 161, 0), + ('STORE_FAST', 125, 1), + ('LOAD_CONST', 100, 0), + ('RETURN_VALUE', 83, None)] + + if sys.version_info[:2] <= (3, 6): + + result_2 = [('LOAD_GLOBAL', 116, 0), + ('LOAD_ATTR', 106, 1), + ('CALL_FUNCTION', 131, 0), + ('STORE_FAST', 125, 1), + ('LOAD_CONST', 100, 0), + ('RETURN_VALUE', 83, None)] + + if sys.version_info[:2] == (3, 11): + # Note: Python 3.11 is a bit more complex because it can optimize itself. + # Opcodes are a bit different, and a hidden second code object is used. + # We investigate this a bit, because we want to be warned when things change. + QUICKENING_WARMUP_DELAY = 8 + + result_1 = [('RESUME', 151, 0), + ('LOAD_GLOBAL', 116, 0), + ('LOAD_ATTR', 106, 1), + ('STORE_FAST', 125, 1), + ('LOAD_CONST', 100, 0), + ('RETURN_VALUE', 83, None)] + + result_2 = [('RESUME', 151, 0), + ('LOAD_GLOBAL', 116, 1), + ('LOAD_ATTR', 106, 1), + ('PRECALL', 166, 0), + ('CALL', 171, 0), + ('STORE_FAST', 125, 1), + ('LOAD_CONST', 100, 0), + ('RETURN_VALUE', 83, None)] + + sizes_2 = [('LOAD_CONST', 2), + ('RESUME', 2), + ('STORE_FAST', 2), + ('PRECALL', 4), + ('CALL', 10), + ('LOAD_ATTR', 10), + ('LOAD_GLOBAL', 12)] + + self.assertEqual(self.read_code(self.probe_function2, adaptive=True), result_2) + self.assertEqual(self.get_sizes(self.probe_function2, adaptive=True), sizes_2) + + @staticmethod + def code_quicken(f, times): + # running the code triggers acceleration after some runs. + for _ in range(times): + f() + + code_quicken(self.probe_function2, QUICKENING_WARMUP_DELAY - 1) + self.assertEqual(self.read_code(self.probe_function2, adaptive=True), result_2) + self.assertEqual(self.get_sizes(self.probe_function2, adaptive=True), sizes_2) + + result_3 = [('RESUME_QUICK', 150, 0), + ('LOAD_GLOBAL_MODULE', 55, 1), + ('LOAD_ATTR_ADAPTIVE', 39, 1), + ('PRECALL_ADAPTIVE', 64, 0), + ('CALL_ADAPTIVE', 22, 0), + ('STORE_FAST', 125, 1), + ('LOAD_CONST', 100, 0), + ('RETURN_VALUE', 83, None)] + + sizes_3 = [('LOAD_CONST', 2), + ('RESUME_QUICK', 2), + ('STORE_FAST', 2), + ('PRECALL_ADAPTIVE', 4), + ('CALL_ADAPTIVE', 10), + ('LOAD_ATTR_ADAPTIVE', 10), + ('LOAD_GLOBAL_MODULE', 12)] + + code_quicken(self.probe_function2, 1) + self.assertEqual(self.read_code(self.probe_function2, adaptive=True), result_3) + self.assertEqual(self.get_sizes(self.probe_function2, adaptive=True), sizes_3) + + if sys.version_info[:2] >= (3, 12): + + result_1 = [('RESUME', 151, 0), + ('LOAD_GLOBAL', 116, 0), + ('LOAD_ATTR', 106, 2), + ('STORE_FAST', 125, 1), + ('RETURN_CONST', 121, 0)] + + result_2 = [('RESUME', 151, 0), + ('LOAD_GLOBAL', 116, 1), + ('LOAD_ATTR', 106, 2), + ('CALL', 171, 0), + ('STORE_FAST', 125, 1), + ('RETURN_CONST', 121, 0)] + + self.assertEqual(self.read_code(self.probe_function1), result_1) + self.assertEqual(self.read_code(self.probe_function2), result_2) + + if __name__ == '__main__': unittest.main() |