| """Test the Go OS Plugin.""" |
| |
| 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 TestGoASTContext(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @add_test_categories(['pyapi']) |
| @skipIfFreeBSD # llvm.org/pr24895 triggers assertion failure |
| @skipIfRemote # Not remote test suite ready |
| @no_debug_info_test |
| @skipUnlessGoInstalled |
| def test_goroutine_plugin(self): |
| """Test goroutine as threads support.""" |
| self.buildGo() |
| self.launchProcess() |
| self.check_goroutines() |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line numbers to break inside main(). |
| self.main_source = "main.go" |
| self.break_line1 = line_number(self.main_source, '// stop1') |
| self.break_line2 = line_number(self.main_source, '// stop2') |
| self.break_line3 = line_number(self.main_source, '// stop3') |
| |
| def launchProcess(self): |
| exe = self.getBuildArtifact("a.out") |
| |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target, VALID_TARGET) |
| |
| self.bpt1 = target.BreakpointCreateByLocation( |
| self.main_source, self.break_line1) |
| self.assertTrue(self.bpt1, VALID_BREAKPOINT) |
| self.bpt2 = target.BreakpointCreateByLocation( |
| self.main_source, self.break_line2) |
| self.assertTrue(self.bpt2, VALID_BREAKPOINT) |
| self.bpt3 = target.BreakpointCreateByLocation( |
| self.main_source, self.break_line3) |
| self.assertTrue(self.bpt3, VALID_BREAKPOINT) |
| |
| # 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. |
| thread_list = lldbutil.get_threads_stopped_at_breakpoint( |
| process, self.bpt1) |
| |
| # Make sure we stopped at the first breakpoint. |
| self.assertTrue( |
| len(thread_list) != 0, |
| "No thread stopped at our breakpoint.") |
| self.assertTrue(len(thread_list) == 1, |
| "More than one thread stopped at our breakpoint.") |
| |
| frame = thread_list[0].GetFrameAtIndex(0) |
| self.assertTrue(frame, "Got a valid frame 0 frame.") |
| |
| def check_goroutines(self): |
| self.assertLess(len(self.process().threads), 20) |
| self.process().Continue() |
| |
| # Make sure we stopped at the 2nd breakpoint |
| thread_list = lldbutil.get_threads_stopped_at_breakpoint( |
| self.process(), self.bpt2) |
| self.assertTrue( |
| len(thread_list) != 0, |
| "No thread stopped at our breakpoint.") |
| self.assertTrue(len(thread_list) == 1, |
| "More than one thread stopped at our breakpoint.") |
| |
| # There's (at least) 21 goroutines. |
| self.assertGreater(len(self.process().threads), 20) |
| # self.dbg.HandleCommand("log enable lldb os") |
| |
| # Now test that stepping works if the memory thread moves to a |
| # different backing thread. |
| for i in list(range(11)): |
| self.thread().StepOver() |
| self.assertEqual( |
| lldb.eStopReasonPlanComplete, |
| self.thread().GetStopReason(), |
| self.thread().GetStopDescription(100)) |
| |
| # Disable the plugin and make sure the goroutines disappear |
| self.dbg.HandleCommand( |
| "settings set plugin.os.goroutines.enable false") |
| self.thread().StepInstruction(False) |
| self.assertLess(len(self.process().threads), 20) |
