Method assertInBytecode

Lib/test/support/bytecode_helper.py:34–47

Returns instr if opname is found, otherwise throws AssertionError

(self, x, opname, argval=_UNSPECIFIED)

        return s.getvalue()

    def assertInBytecode(self, x, opname, argval=_UNSPECIFIED):
        """Returns instr if opname is found, otherwise throws AssertionError"""
        self.assertIn(opname, dis.opmap)
        for instr in dis.get_instructions(x):
            if instr.opname == opname:
                if argval is _UNSPECIFIED or instr.argval == argval:
                    return instr
        disassembly = self.get_disassembly_as_string(x)
        if argval is _UNSPECIFIED:
            msg = '%s not found in bytecode:\n%s' % (opname, disassembly)
        else:
            msg = '(%s,%r) not found in bytecode:\n%s'
            msg = msg % (opname, argval, disassembly)
        self.fail(msg)

    def assertNotInBytecode(self, x, opname, argval=_UNSPECIFIED):
        """Throws AssertionError if opname is found"""