TestMembersAndLocalsWithSameName.py
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import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
class TestMembersAndLocalsWithSameName(TestBase):
mydir = TestBase.compute_mydir(__file__)
def test_when_stopped_in_method(self):
self._load_exe()
# Set breakpoints
bp1 = self.target.BreakpointCreateBySourceRegex(
"Break 1", self.src_file_spec)
self.assertTrue(
bp1.IsValid() and bp1.GetNumLocations() >= 1,
VALID_BREAKPOINT)
bp2 = self.target.BreakpointCreateBySourceRegex(
"Break 2", self.src_file_spec)
self.assertTrue(
bp2.IsValid() and bp2.GetNumLocations() >= 1,
VALID_BREAKPOINT)
bp3 = self.target.BreakpointCreateBySourceRegex(
"Break 3", self.src_file_spec)
self.assertTrue(
bp3.IsValid() and bp3.GetNumLocations() >= 1,
VALID_BREAKPOINT)
bp4 = self.target.BreakpointCreateBySourceRegex(
"Break 4", self.src_file_spec)
self.assertTrue(
bp4.IsValid() and bp4.GetNumLocations() >= 1,
VALID_BREAKPOINT)
# Launch the process
self.process = self.target.LaunchSimple(
None, None, self.get_process_working_directory())
self.assertTrue(self.process.IsValid(), PROCESS_IS_VALID)
self.assertTrue(
self.process.GetState() == lldb.eStateStopped,
PROCESS_STOPPED)
self._test_globals()
self.process.Continue()
self.assertTrue(
self.process.GetState() == lldb.eStateStopped,
PROCESS_STOPPED)
thread = lldbutil.get_stopped_thread(
self.process, lldb.eStopReasonBreakpoint)
self.assertTrue(thread.IsValid())
frame = thread.GetSelectedFrame()
self.assertTrue(frame.IsValid())
val = frame.EvaluateExpression("a")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 12345)
val = frame.EvaluateExpression("b")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 54321)
val = frame.EvaluateExpression("c")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 34567)
self.process.Continue()
self.assertTrue(
self.process.GetState() == lldb.eStateStopped,
PROCESS_STOPPED)
thread = lldbutil.get_stopped_thread(
self.process, lldb.eStopReasonBreakpoint)
self.assertTrue(thread.IsValid())
frame = thread.GetSelectedFrame()
self.assertTrue(frame.IsValid())
val = frame.EvaluateExpression("a")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 10001)
val = frame.EvaluateExpression("b")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 10002)
val = frame.EvaluateExpression("c")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 10003)
self.process.Continue()
self.assertTrue(
self.process.GetState() == lldb.eStateStopped,
PROCESS_STOPPED)
thread = lldbutil.get_stopped_thread(
self.process, lldb.eStopReasonBreakpoint)
self.assertTrue(thread.IsValid())
frame = thread.GetSelectedFrame()
self.assertTrue(frame.IsValid())
val = frame.EvaluateExpression("a")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 1)
val = frame.EvaluateExpression("b")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 2)
val = frame.EvaluateExpression("c")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 778899)
def test_when_stopped_in_function(self):
self._load_exe()
# Set breakpoints
bp1 = self.target.BreakpointCreateBySourceRegex(
"Break 1", self.src_file_spec)
self.assertTrue(
bp1.IsValid() and bp1.GetNumLocations() >= 1,
VALID_BREAKPOINT)
bp5 = self.target.BreakpointCreateBySourceRegex(
"Break 5", self.src_file_spec)
self.assertTrue(
bp5.IsValid() and bp5.GetNumLocations() >= 1,
VALID_BREAKPOINT)
bp6 = self.target.BreakpointCreateBySourceRegex(
"Break 6", self.src_file_spec)
self.assertTrue(
bp6.IsValid() and bp6.GetNumLocations() >= 1,
VALID_BREAKPOINT)
bp7 = self.target.BreakpointCreateBySourceRegex(
"Break 7", self.src_file_spec)
self.assertTrue(
bp7.IsValid() and bp7.GetNumLocations() >= 1,
VALID_BREAKPOINT)
# Launch the process
self.process = self.target.LaunchSimple(
None, None, self.get_process_working_directory())
self.assertTrue(self.process.IsValid(), PROCESS_IS_VALID)
self.assertTrue(
self.process.GetState() == lldb.eStateStopped,
PROCESS_STOPPED)
self._test_globals()
self.process.Continue()
self.assertTrue(
self.process.GetState() == lldb.eStateStopped,
PROCESS_STOPPED)
thread = lldbutil.get_stopped_thread(
self.process, lldb.eStopReasonBreakpoint)
self.assertTrue(thread.IsValid())
frame = thread.GetSelectedFrame()
self.assertTrue(frame.IsValid())
self.enable_expression_log()
val = frame.EvaluateExpression("a")
self.disable_expression_log_and_check_for_locals(['a'])
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 12345)
val = frame.EvaluateExpression("b")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 54321)
val = frame.EvaluateExpression("c")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 34567)
self.process.Continue()
self.assertTrue(
self.process.GetState() == lldb.eStateStopped,
PROCESS_STOPPED)
thread = lldbutil.get_stopped_thread(
self.process, lldb.eStopReasonBreakpoint)
self.assertTrue(thread.IsValid())
frame = thread.GetSelectedFrame()
self.assertTrue(frame.IsValid())
val = frame.EvaluateExpression("a")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 10001)
val = frame.EvaluateExpression("b")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 10002)
val = frame.EvaluateExpression("c")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 10003)
self.enable_expression_log()
val = frame.EvaluateExpression("c-b")
self.disable_expression_log_and_check_for_locals(['c','b'])
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 1)
self.process.Continue()
self.assertTrue(
self.process.GetState() == lldb.eStateStopped,
PROCESS_STOPPED)
thread = lldbutil.get_stopped_thread(
self.process, lldb.eStopReasonBreakpoint)
self.assertTrue(thread.IsValid())
frame = thread.GetSelectedFrame()
self.assertTrue(frame.IsValid())
val = frame.EvaluateExpression("a")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 1)
val = frame.EvaluateExpression("b")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 2)
val = frame.EvaluateExpression("c")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 778899)
self.enable_expression_log()
val = frame.EvaluateExpression("a+b")
self.disable_expression_log_and_check_for_locals(['a','b'])
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 3)
def _load_exe(self):
self.build()
cwd = os.getcwd()
src_file = os.path.join(cwd, "main.cpp")
self.src_file_spec = lldb.SBFileSpec(src_file)
self.assertTrue(self.src_file_spec.IsValid(), "breakpoint file")
# Get the path of the executable
exe_path = self.getBuildArtifact("a.out")
# Load the executable
self.target = self.dbg.CreateTarget(exe_path)
self.assertTrue(self.target.IsValid(), VALID_TARGET)
def _test_globals(self):
thread = lldbutil.get_stopped_thread(
self.process, lldb.eStopReasonBreakpoint)
self.assertTrue(thread.IsValid())
frame = thread.GetSelectedFrame()
self.assertTrue(frame.IsValid())
self.enable_expression_log()
val = frame.EvaluateExpression("a")
self.disable_expression_log_and_check_for_locals([])
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 112233)
val = frame.EvaluateExpression("b")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 445566)
val = frame.EvaluateExpression("c")
self.assertTrue(val.IsValid())
self.assertEqual(val.GetValueAsUnsigned(), 778899)
def enable_expression_log(self):
log_file = self.getBuildArtifact("expr.log")
if configuration.is_reproducer_replay():
log_file = self.getReproducerRemappedPath(log_file)
self.runCmd("log enable -f '%s' lldb expr" % (log_file))
def disable_expression_log_and_check_for_locals(self, variables):
log_file = self.getBuildArtifact("expr.log")
if configuration.is_reproducer_replay():
log_file = self.getReproducerRemappedPath(log_file)
self.runCmd("log disable lldb expr")
local_var_regex = re.compile(r".*__lldb_local_vars::(.*);")
matched = []
with open(log_file, 'r') as log:
for line in log:
if line.find('LLDB_BODY_START') != -1:
break
m = re.match(local_var_regex, line)
if m:
self.assertIn(m.group(1), variables)
matched.append(m.group(1))
self.assertEqual([item for item in variables if item not in matched],
[])