| """ |
| Test number of threads. |
| """ |
| |
| 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 CreateDuringStepTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @expectedFailureAll( |
| oslist=["linux"], |
| bugnumber="llvm.org/pr15824 thread states not properly maintained") |
| @expectedFailureAll( |
| oslist=lldbplatformutil.getDarwinOSTriples(), |
| bugnumber="llvm.org/pr15824 thread states not properly maintained, <rdar://problem/28557237>") |
| @expectedFailureAll( |
| oslist=["freebsd"], |
| bugnumber="llvm.org/pr18190 thread states not properly maintained") |
| @expectedFailureAll( |
| oslist=["windows"], |
| bugnumber="llvm.org/pr24668: Breakpoints not resolved correctly") |
| def test_step_inst(self): |
| """Test thread creation during step-inst handling.""" |
| self.build(dictionary=self.getBuildFlags()) |
| self.create_during_step_base( |
| "thread step-inst -m all-threads", |
| 'stop reason = instruction step') |
| |
| @expectedFailureAll( |
| oslist=["linux"], |
| bugnumber="llvm.org/pr15824 thread states not properly maintained") |
| @expectedFailureAll( |
| oslist=lldbplatformutil.getDarwinOSTriples(), |
| bugnumber="llvm.org/pr15824 thread states not properly maintained, <rdar://problem/28557237>") |
| @expectedFailureAll( |
| oslist=["freebsd"], |
| bugnumber="llvm.org/pr18190 thread states not properly maintained") |
| @expectedFailureAll( |
| oslist=["windows"], |
| bugnumber="llvm.org/pr24668: Breakpoints not resolved correctly") |
| def test_step_over(self): |
| """Test thread creation during step-over handling.""" |
| self.build(dictionary=self.getBuildFlags()) |
| self.create_during_step_base( |
| "thread step-over -m all-threads", |
| 'stop reason = step over') |
| |
| @expectedFailureAll( |
| oslist=["linux"], |
| bugnumber="llvm.org/pr15824 thread states not properly maintained") |
| @expectedFailureAll( |
| oslist=lldbplatformutil.getDarwinOSTriples(), |
| bugnumber="<rdar://problem/28574077>") |
| @expectedFailureAll( |
| oslist=["freebsd"], |
| bugnumber="llvm.org/pr18190 thread states not properly maintained") |
| @expectedFailureAll( |
| oslist=["windows"], |
| bugnumber="llvm.org/pr24668: Breakpoints not resolved correctly") |
| def test_step_in(self): |
| """Test thread creation during step-in handling.""" |
| self.build(dictionary=self.getBuildFlags()) |
| self.create_during_step_base( |
| "thread step-in -m all-threads", |
| 'stop reason = step in') |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line numbers to break and continue. |
| self.breakpoint = line_number('main.cpp', '// Set breakpoint here') |
| self.continuepoint = line_number('main.cpp', '// Continue from here') |
| |
| def create_during_step_base(self, step_cmd, step_stop_reason): |
| """Test thread creation while using step-in.""" |
| exe = self.getBuildArtifact("a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Get the target process |
| target = self.dbg.GetSelectedTarget() |
| |
| # This should create a breakpoint in the stepping thread. |
| self.bkpt = target.BreakpointCreateByLocation("main.cpp", self.breakpoint) |
| |
| # Run the program. |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| process = target.GetProcess() |
| |
| # The stop reason of the thread should be breakpoint. |
| stepping_thread = lldbutil.get_one_thread_stopped_at_breakpoint(process, self.bkpt) |
| self.assertTrue(stepping_thread.IsValid(), "We stopped at the right breakpoint") |
| |
| # Get the number of threads |
| num_threads = process.GetNumThreads() |
| |
| # Make sure we see only two threads |
| self.assertTrue( |
| num_threads == 2, |
| 'Number of expected threads and actual threads do not match.') |
| |
| # Get the thread objects |
| thread1 = process.GetThreadAtIndex(0) |
| thread2 = process.GetThreadAtIndex(1) |
| |
| current_line = self.breakpoint |
| # Keep stepping until we've reached our designated continue point |
| while current_line != self.continuepoint: |
| if stepping_thread != process.GetSelectedThread(): |
| process.SetSelectedThread(stepping_thread) |
| |
| self.runCmd(step_cmd) |
| |
| frame = stepping_thread.GetFrameAtIndex(0) |
| current_line = frame.GetLineEntry().GetLine() |
| |
| # Make sure we're still where we thought we were |
| self.assertTrue( |
| current_line >= self.breakpoint, |
| "Stepped to unexpected line, " + |
| str(current_line)) |
| self.assertTrue( |
| current_line <= self.continuepoint, |
| "Stepped to unexpected line, " + |
| str(current_line)) |
| |
| # Update the number of threads |
| num_threads = process.GetNumThreads() |
| |
| # Check to see that we increased the number of threads as expected |
| self.assertTrue( |
| num_threads == 3, |
| 'Number of expected threads and actual threads do not match after thread exit.') |
| |
| stop_reason = stepping_thread.GetStopReason() |
| self.assertEqual(stop_reason, lldb.eStopReasonPlanComplete, "Stopped for plan completion") |
| |
| # Run to completion |
| self.runCmd("process continue") |
| |
| # At this point, the inferior process should have exited. |
| self.assertTrue( |
| process.GetState() == lldb.eStateExited, |
| PROCESS_EXITED) |