| """ |
| Test number of threads. |
| """ |
| |
| import os, time |
| import unittest2 |
| import lldb |
| from lldbtest import * |
| import lldbutil |
| |
| class CreateDuringStepTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained |
| @dsym_test |
| def test_step_inst_with_dsym(self): |
| """Test thread creation during step-inst handling.""" |
| self.buildDsym(dictionary=self.getBuildFlags()) |
| self.create_during_step_inst_test() |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained |
| @dsym_test |
| def test_step_over_with_dsym(self): |
| """Test thread creation during step-over handling.""" |
| self.buildDsym(dictionary=self.getBuildFlags()) |
| self.create_during_step_over_test() |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained |
| @dsym_test |
| def test_step_in_with_dsym(self): |
| """Test thread creation during step-in handling.""" |
| self.buildDsym(dictionary=self.getBuildFlags()) |
| self.create_during_step_in_test() |
| |
| @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained |
| @expectedFailureFreeBSD("llvm.org/pr18190") # thread states not properly maintained |
| @dwarf_test |
| def test_step_inst_with_dwarf(self): |
| """Test thread creation during step-inst handling.""" |
| self.buildDwarf(dictionary=self.getBuildFlags()) |
| self.create_during_step_inst_test() |
| |
| @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained |
| @expectedFailureFreeBSD("llvm.org/pr18190") # thread states not properly maintained |
| @dwarf_test |
| def test_step_over_with_dwarf(self): |
| """Test thread creation during step-over handling.""" |
| self.buildDwarf(dictionary=self.getBuildFlags()) |
| self.create_during_step_over_test() |
| |
| @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained |
| @expectedFailureFreeBSD("llvm.org/pr18190") # thread states not properly maintained |
| @dwarf_test |
| def test_step_in_with_dwarf(self): |
| """Test thread creation during step-in handling.""" |
| self.buildDwarf(dictionary=self.getBuildFlags()) |
| self.create_during_step_in_test() |
| |
| 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_inst_test(self): |
| """Test thread creation while using step-inst.""" |
| self.create_during_step_base("thread step-inst -m all-threads", 'stop reason = instruction step') |
| |
| def create_during_step_over_test(self): |
| """Test thread creation while using step-over.""" |
| self.create_during_step_base("thread step-over -m all-threads", 'stop reason = step over') |
| |
| def create_during_step_in_test(self): |
| """Test thread creation while using step-in.""" |
| self.create_during_step_base("thread step-in -m all-threads", 'stop reason = step in') |
| |
| def create_during_step_base(self, step_cmd, step_stop_reason): |
| """Test thread creation while using step-in.""" |
| exe = os.path.join(os.getcwd(), "a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # This should create a breakpoint in the stepping thread. |
| self.bp_num = lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.breakpoint, num_expected_locations=1) |
| |
| # The breakpoint list should show 1 location. |
| self.expect("breakpoint list -f", "Breakpoint location shown correctly", |
| substrs = ["1: file = 'main.cpp', line = %d, locations = 1" % self.breakpoint]) |
| |
| # Run the program. |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # The stop reason of the thread should be breakpoint. |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ['stopped', |
| 'stop reason = breakpoint']) |
| |
| # Get the target process |
| target = self.dbg.GetSelectedTarget() |
| process = target.GetProcess() |
| |
| # 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) |
| |
| # Make sure both threads are stopped |
| self.assertTrue(thread1.IsStopped(), "Thread 1 didn't stop during breakpoint") |
| self.assertTrue(thread2.IsStopped(), "Thread 2 didn't stop during breakpoint") |
| |
| # Find the thread that is stopped at the breakpoint |
| stepping_thread = None |
| for thread in process: |
| expected_bp_desc = "breakpoint %s." % self.bp_num |
| if expected_bp_desc in thread.GetStopDescription(100): |
| stepping_thread = thread |
| break |
| self.assertTrue(stepping_thread != None, "unable to find thread stopped at %s" % expected_bp_desc) |
| 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.') |
| |
| self.expect("thread list", 'Process state is stopped due to step', |
| substrs = ['stopped', |
| step_stop_reason]) |
| |
| # Run to completion |
| self.runCmd("process continue") |
| |
| # At this point, the inferior process should have exited. |
| self.assertTrue(process.GetState() == lldb.eStateExited, PROCESS_EXITED) |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |
