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"""Test the 'step target' feature."""
from __future__ import print_function
import os
import time
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestStepTarget(TestBase):
mydir = TestBase.compute_mydir(__file__)
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.assertTrue(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
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.assertTrue(frame.name == "lotsOfArgs", "Stepped to lotsOfArgs.")
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.assertTrue(
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.assertTrue(frame.name == "modifyInt", "Stepped to modifyInt.")
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.assertTrue(frame.name == "lotsOfArgs", "Stepped to lotsOfArgs.")
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.assertTrue(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.assertTrue(
frame.line_entry.line == self.end_line,
"Got out of the block")
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