TestBreakpointAutoContinue.py
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"""
Test that the breakpoint auto-continue flag works correctly.
"""
import lldb
import lldbsuite.test.lldbutil as lldbutil
from lldbsuite.test.lldbtest import *
class BreakpointAutoContinue(TestBase):
mydir = TestBase.compute_mydir(__file__)
NO_DEBUG_INFO_TESTCASE = True
def test_breakpoint_auto_continue(self):
"""Make sure the auto continue continues with no other complications"""
self.build()
self.simple_auto_continue()
def test_auto_continue_with_command(self):
"""Add a command, make sure the command gets run"""
self.build()
self.auto_continue_with_command()
def test_auto_continue_on_location(self):
"""Set auto-continue on a location and make sure only that location continues"""
self.build()
self.auto_continue_location()
def make_target_and_bkpt(self, additional_options=None, num_expected_loc=1,
pattern="Set a breakpoint here"):
exe = self.getBuildArtifact("a.out")
self.target = self.dbg.CreateTarget(exe)
self.assertTrue(self.target.IsValid(), "Target is not valid")
extra_options_txt = "--auto-continue 1 "
if additional_options:
extra_options_txt += additional_options
bpno = lldbutil.run_break_set_by_source_regexp(self, pattern,
extra_options = extra_options_txt,
num_expected_locations = num_expected_loc)
return bpno
def launch_it (self, expected_state):
error = lldb.SBError()
launch_info = lldb.SBLaunchInfo(None)
launch_info.SetWorkingDirectory(self.get_process_working_directory())
process = self.target.Launch(launch_info, error)
self.assertTrue(error.Success(), "Launch failed.")
state = process.GetState()
self.assertEqual(state, expected_state, "Didn't get expected state")
return process
def simple_auto_continue(self):
bpno = self.make_target_and_bkpt()
process = self.launch_it(lldb.eStateExited)
bkpt = self.target.FindBreakpointByID(bpno)
self.assertEqual(bkpt.GetHitCount(), 2, "Should have run through the breakpoint twice")
def auto_continue_with_command(self):
bpno = self.make_target_and_bkpt("-N BKPT -C 'break modify --auto-continue 0 BKPT'")
process = self.launch_it(lldb.eStateStopped)
state = process.GetState()
self.assertEqual(state, lldb.eStateStopped, "Process should be stopped")
bkpt = self.target.FindBreakpointByID(bpno)
threads = lldbutil.get_threads_stopped_at_breakpoint(process, bkpt)
self.assertEqual(len(threads), 1, "There was a thread stopped at our breakpoint")
self.assertEqual(bkpt.GetHitCount(), 2, "Should have hit the breakpoint twice")
def auto_continue_location(self):
bpno = self.make_target_and_bkpt(pattern="Set a[^ ]* breakpoint here", num_expected_loc=2)
bkpt = self.target.FindBreakpointByID(bpno)
bkpt.SetAutoContinue(False)
loc = lldb.SBBreakpointLocation()
for i in range(0,2):
func_name = bkpt.location[i].GetAddress().function.name
if func_name == "main":
loc = bkpt.location[i]
self.assertTrue(loc.IsValid(), "Didn't find a location in main")
loc.SetAutoContinue(True)
process = self.launch_it(lldb.eStateStopped)
threads = lldbutil.get_threads_stopped_at_breakpoint(process, bkpt)
self.assertEqual(len(threads), 1, "Didn't get one thread stopped at our breakpoint")
func_name = threads[0].frame[0].function.name
self.assertEqual(func_name, "call_me")