"""Test the 'step target' feature."""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestStepTarget(TestBase):
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line numbers that we will step to in main:
self.main_source = "main.c"
self.end_line = line_number(self.main_source, "All done")
@add_test_categories(["pyapi"])
def get_to_start(self):
self.build()
exe = self.getBuildArtifact("a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
self.main_source_spec = lldb.SBFileSpec(self.main_source)
break_in_main = target.BreakpointCreateBySourceRegex(
"Break here to try targetted stepping", self.main_source_spec
)
self.assertTrue(break_in_main, VALID_BREAKPOINT)
self.assertGreater(break_in_main.GetNumLocations(), 0, "Has locations.")
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple(None, None, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
threads = lldbutil.get_threads_stopped_at_breakpoint(process, break_in_main)
if len(threads) != 1:
self.fail("Failed to stop at first breakpoint in main.")
thread = threads[0]
return thread
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr32343")
def test_with_end_line(self):
"""Test stepping over vrs. hitting breakpoints & subsequent stepping in various forms."""
thread = self.get_to_start()
error = lldb.SBError()
thread.StepInto("lotsOfArgs", self.end_line, error)
frame = thread.frames[0]
self.assertEqual(frame.name, "lotsOfArgs", "Stepped to lotsOfArgs.")
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr32343")
def test_with_end_line_bad_name(self):
"""Test stepping over vrs. hitting breakpoints & subsequent stepping in various forms."""
thread = self.get_to_start()
error = lldb.SBError()
thread.StepInto("lotsOfArgssss", self.end_line, error)
frame = thread.frames[0]
self.assertEqual(
frame.line_entry.line, self.end_line, "Stepped to the block end."
)
def test_with_end_line_deeper(self):
"""Test stepping over vrs. hitting breakpoints & subsequent stepping in various forms."""
thread = self.get_to_start()
error = lldb.SBError()
thread.StepInto("modifyInt", self.end_line, error)
frame = thread.frames[0]
self.assertEqual(frame.name, "modifyInt", "Stepped to modifyInt.")
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr32343")
def test_with_command_and_block(self):
"""Test stepping over vrs. hitting breakpoints & subsequent stepping in various forms."""
thread = self.get_to_start()
result = lldb.SBCommandReturnObject()
self.dbg.GetCommandInterpreter().HandleCommand(
'thread step-in -t "lotsOfArgs" -e block', result
)
self.assertTrue(result.Succeeded(), "thread step-in command succeeded.")
frame = thread.frames[0]
self.assertEqual(frame.name, "lotsOfArgs", "Stepped to lotsOfArgs.")
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr32343")
def test_with_command_and_block_and_bad_name(self):
"""Test stepping over vrs. hitting breakpoints & subsequent stepping in various forms."""
thread = self.get_to_start()
result = lldb.SBCommandReturnObject()
self.dbg.GetCommandInterpreter().HandleCommand(
'thread step-in -t "lotsOfArgsssss" -e block', result
)
self.assertTrue(result.Succeeded(), "thread step-in command succeeded.")
frame = thread.frames[0]
self.assertEqual(frame.name, "main", "Stepped back out to main.")
# end_line is set to the line after the containing block. Check that
# we got there:
self.assertEqual(frame.line_entry.line, self.end_line, "Got out of the block")
Codebase Browser
llvm