packages/Python/lldbsuite/test/functionalities/breakpoint/consecutive_breakpoins/TestConsecutiveBreakpoints.py

   1 """
   2 Test continue from a breakpoint when there is a breakpoint on the next instruction also.
   3 """
   4
   5 from __future__ import print_function
   6
   7
   8
   9 import unittest2
  10 import lldb
  11 import lldbsuite.test.lldbutil as lldbutil
  12 from lldbsuite.test.lldbtest import *
  13
  14 class ConsecutiveBreakpoitsTestCase(TestBase):
  15
  16     mydir = TestBase.compute_mydir(__file__)
  17
  18     @expectedFailureAll("llvm.org/pr23478", oslist = not_in(["macosx"]))
  19     def test (self):
  20         self.build ()
  21         self.consecutive_breakpoints_tests()
  22
  23     def consecutive_breakpoints_tests(self):
  24         exe = os.path.join (os.getcwd(), "a.out")
  25
  26         # Create a target by the debugger.
  27         target = self.dbg.CreateTarget(exe)
  28         self.assertTrue(target, VALID_TARGET)
  29
  30         breakpoint = target.BreakpointCreateBySourceRegex("Set breakpoint here", lldb.SBFileSpec("main.cpp"))
  31         self.assertTrue(breakpoint and
  32                         breakpoint.GetNumLocations() == 1,
  33                         VALID_BREAKPOINT)
  34
  35         # Now launch the process, and do not stop at entry point.
  36         process = target.LaunchSimple (None, None, self.get_process_working_directory())
  37         self.assertTrue(process, PROCESS_IS_VALID)
  38
  39         # We should be stopped at the first breakpoint
  40         thread = process.GetThreadAtIndex(0)
  41         self.assertEqual(thread.GetStopReason(), lldb.eStopReasonBreakpoint)
  42
  43         # Set breakpoint to the next instruction
  44         frame = thread.GetFrameAtIndex(0)
  45
  46         address = frame.GetPCAddress()
  47         instructions = target.ReadInstructions(address, 2)
  48         self.assertTrue(len(instructions) == 2)
  49         address = instructions[1].GetAddress()
  50
  51         target.BreakpointCreateByAddress(address.GetLoadAddress(target))
  52         process.Continue()
  53
  54         # We should be stopped at the second breakpoint
  55         thread = process.GetThreadAtIndex(0)
  56         self.assertEqual(thread.GetStopReason(), lldb.eStopReasonBreakpoint)
  57
  58         # Run the process until termination
  59         process.Continue()