lldb/test/API/functionalities/gdb_remote_client/TestThreadSelectionBug.py

   1 import lldb
   2 from lldbsuite.test.lldbtest import *
   3 from lldbsuite.test.decorators import *
   4 from lldbsuite.test.gdbclientutils import *
   5 from lldbsuite.test.lldbgdbclient import GDBRemoteTestBase
   6
   7
   8 class TestThreadSelectionBug(GDBRemoteTestBase):
   9     def test(self):
  10         class MyResponder(MockGDBServerResponder):
  11             def cont(self):
  12                 # Simulate process stopping due to a raise(SIGINT)
  13                 return "T01reason:signal"
  14
  15         self.server.responder = MyResponder()
  16         target = self.createTarget("a.yaml")
  17         process = self.connect(target)
  18         python_os_plugin_path = os.path.join(self.getSourceDir(), "operating_system.py")
  19         command = "settings set target.process.python-os-plugin-path '{}'".format(
  20             python_os_plugin_path
  21         )
  22         self.dbg.HandleCommand(command)
  23
  24         self.assertTrue(process, PROCESS_IS_VALID)
  25         self.assertEqual(process.GetNumThreads(), 3)
  26
  27         # Verify our OS plug-in threads showed up
  28         thread = process.GetThreadByID(0x1)
  29         self.assertTrue(
  30             thread.IsValid(),
  31             "Make sure there is a thread 0x1 after we load the python OS plug-in",
  32         )
  33         thread = process.GetThreadByID(0x2)
  34         self.assertTrue(
  35             thread.IsValid(),
  36             "Make sure there is a thread 0x2 after we load the python OS plug-in",
  37         )
  38         thread = process.GetThreadByID(0x3)
  39         self.assertTrue(
  40             thread.IsValid(),
  41             "Make sure there is a thread 0x3 after we load the python OS plug-in",
  42         )
  43
  44         # Verify that a thread other than 3 is selected.
  45         thread = process.GetSelectedThread()
  46         self.assertNotEqual(thread.GetThreadID(), 0x3)
  47
  48         # Verify that we select the thread backed by physical thread 1, rather
  49         # than virtual thread 1. The mapping comes from the OS plugin, where we
  50         # specified that thread 3 is backed by real thread 1.
  51         process.Continue()
  52         thread = process.GetSelectedThread()
  53         self.assertEqual(thread.GetThreadID(), 0x3)