| """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 |
| |
| @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.assertTrue(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.assertTrue( |
| frame.line_entry.line == self.end_line, |
| "Stepped to the block end.") |
| |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr32343") |
| 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.") |
| |
| @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.assertTrue(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.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") |
