| """ |
| Test that we handle breakpoints on consecutive instructions correctly. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import unittest2 |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class ConsecutiveBreakpointsTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def prepare_test(self): |
| self.build() |
| |
| (self.target, self.process, self.thread, bkpt) = lldbutil.run_to_source_breakpoint( |
| self, "Set breakpoint here", lldb.SBFileSpec("main.cpp")) |
| |
| # Set breakpoint to the next instruction |
| frame = self.thread.GetFrameAtIndex(0) |
| |
| address = frame.GetPCAddress() |
| instructions = self.target.ReadInstructions(address, 2) |
| self.assertTrue(len(instructions) == 2) |
| self.bkpt_address = instructions[1].GetAddress() |
| self.breakpoint2 = self.target.BreakpointCreateByAddress( |
| self.bkpt_address.GetLoadAddress(self.target)) |
| self.assertTrue( |
| self.breakpoint2 and self.breakpoint2.GetNumLocations() == 1, |
| VALID_BREAKPOINT) |
| |
| def finish_test(self): |
| # Run the process until termination |
| self.process.Continue() |
| self.assertEquals(self.process.GetState(), lldb.eStateExited) |
| |
| @no_debug_info_test |
| def test_continue(self): |
| """Test that continue stops at the second breakpoint.""" |
| self.prepare_test() |
| |
| self.process.Continue() |
| self.assertEquals(self.process.GetState(), lldb.eStateStopped) |
| # We should be stopped at the second breakpoint |
| self.thread = lldbutil.get_one_thread_stopped_at_breakpoint( |
| self.process, self.breakpoint2) |
| self.assertIsNotNone( |
| self.thread, |
| "Expected one thread to be stopped at breakpoint 2") |
| |
| self.finish_test() |
| |
| @no_debug_info_test |
| def test_single_step(self): |
| """Test that single step stops at the second breakpoint.""" |
| self.prepare_test() |
| |
| step_over = False |
| self.thread.StepInstruction(step_over) |
| |
| self.assertEquals(self.process.GetState(), lldb.eStateStopped) |
| self.assertEquals( |
| self.thread.GetFrameAtIndex(0).GetPCAddress().GetLoadAddress( |
| self.target), self.bkpt_address.GetLoadAddress( |
| self.target)) |
| self.thread = lldbutil.get_one_thread_stopped_at_breakpoint( |
| self.process, self.breakpoint2) |
| self.assertIsNotNone( |
| self.thread, |
| "Expected one thread to be stopped at breakpoint 2") |
| |
| self.finish_test() |
| |
| @no_debug_info_test |
| def test_single_step_thread_specific(self): |
| """Test that single step stops, even though the second breakpoint is not valid.""" |
| self.prepare_test() |
| |
| # Choose a thread other than the current one. A non-existing thread is |
| # fine. |
| thread_index = self.process.GetNumThreads() + 1 |
| self.assertFalse(self.process.GetThreadAtIndex(thread_index).IsValid()) |
| self.breakpoint2.SetThreadIndex(thread_index) |
| |
| step_over = False |
| self.thread.StepInstruction(step_over) |
| |
| self.assertEquals(self.process.GetState(), lldb.eStateStopped) |
| self.assertEquals( |
| self.thread.GetFrameAtIndex(0).GetPCAddress().GetLoadAddress( |
| self.target), self.bkpt_address.GetLoadAddress( |
| self.target)) |
| self.assertEquals( |
| self.thread.GetStopReason(), |
| lldb.eStopReasonPlanComplete, |
| "Stop reason should be 'plan complete'") |
| |
| self.finish_test() |
