import lldb
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
from lldbsuite.test.decorators import *

class TestCase(TestBase):

    mydir = TestBase.compute_mydir(__file__)

    def test_invalid_arg(self):
        self.build()

        lldbutil.run_to_source_breakpoint(self, '// break here', lldb.SBFileSpec("main.cpp"))

        self.expect("thread select -1", error=True, startstr="error: Invalid thread index '-1'")
        self.expect("thread select 0x1ffffffff", error=True, startstr="error: Invalid thread index '0x1ffffffff'")
        # Parses but not a valid thread id.
        self.expect("thread select 0xffffffff", error=True, startstr="error: invalid thread #0xffffffff.")