packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_set_restart/TestBreakpointSetRestart.py

   1 """
   2 Test inferior restart when breakpoint is set on running target.
   3 """
   4
   5 import os
   6 import lldb
   7 from lldbsuite.test.lldbtest import *
   8
   9
  10 class BreakpointSetRestart(TestBase):
  11
  12     mydir = TestBase.compute_mydir(__file__)
  13     BREAKPOINT_TEXT = 'Set a breakpoint here'
  14
  15     def test_breakpoint_set_restart(self):
  16         self.build()
  17
  18         cwd = os.getcwd()
  19         exe = os.path.join(cwd, 'a.out')
  20
  21         target = self.dbg.CreateTarget(exe)
  22         self.assertTrue(target, VALID_TARGET)
  23
  24         self.dbg.SetAsync(True)
  25         process = target.LaunchSimple(
  26             None, None, self.get_process_working_directory())
  27         self.assertTrue(process, PROCESS_IS_VALID)
  28
  29         event = lldb.SBEvent()
  30         # Wait for inferior to transition to running state
  31         while self.dbg.GetListener().WaitForEvent(2, event):
  32             if lldb.SBProcess.GetStateFromEvent(event) == lldb.eStateRunning:
  33                 break
  34
  35         bp = target.BreakpointCreateBySourceRegex(
  36             self.BREAKPOINT_TEXT, lldb.SBFileSpec(
  37                 os.path.join(
  38                     cwd, 'main.cpp')))
  39         self.assertTrue(
  40             bp.IsValid() and bp.GetNumLocations() == 1,
  41             VALID_BREAKPOINT)
  42
  43         while self.dbg.GetListener().WaitForEvent(2, event):
  44             if lldb.SBProcess.GetStateFromEvent(
  45                     event) == lldb.eStateStopped and lldb.SBProcess.GetRestartedFromEvent(event):
  46                 continue
  47             if lldb.SBProcess.GetStateFromEvent(event) == lldb.eStateRunning:
  48                 continue
  49             self.fail(
  50                 "Setting a breakpoint generated an unexpected event: %s" %
  51                 lldb.SBDebugger.StateAsCString(
  52                     lldb.SBProcess.GetStateFromEvent(event)))