1 """ 2 Test number of threads. 3 """ 4 5 import os, time 6 import unittest2 7 import lldb 8 from lldbtest import * 9 import lldbutil 10 11 class ExitDuringBreakpointTestCase(TestBase): 12 13 mydir = os.path.join("functionalities", "thread", "exit_during_break") 14 15 @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") 16 @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained 17 @dsym_test 18 def test_with_dsym(self): 19 """Test thread exit during breakpoint handling.""" 20 self.buildDsym(dictionary=self.getBuildFlags()) 21 self.exit_during_breakpoint_test() 22 23 @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained 24 @expectedFailureFreeBSD("llvm.org/pr16696") # threaded inferior not yet implemented on FreeBSD 25 @dwarf_test 26 def test_with_dwarf(self): 27 """Test thread exit during breakpoint handling.""" 28 self.buildDwarf(dictionary=self.getBuildFlags()) 29 self.exit_during_breakpoint_test() 30 31 def setUp(self): 32 # Call super's setUp(). 33 TestBase.setUp(self) 34 # Find the line number for our breakpoint. 35 self.breakpoint = line_number('main.cpp', '// Set breakpoint here') 36 37 def exit_during_breakpoint_test(self): 38 """Test thread exit during breakpoint handling.""" 39 exe = os.path.join(os.getcwd(), "a.out") 40 self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) 41 42 # This should create a breakpoint in the main thread. 43 lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.breakpoint, num_expected_locations=1) 44 45 # The breakpoint list should show 1 location. 46 self.expect("breakpoint list -f", "Breakpoint location shown correctly", 47 substrs = ["1: file = 'main.cpp', line = %d, locations = 1" % self.breakpoint]) 48 49 # Run the program. 50 self.runCmd("run", RUN_SUCCEEDED) 51 52 # The stop reason of the thread should be breakpoint. 53 self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, 54 substrs = ['stopped', 55 'stop reason = breakpoint']) 56 57 # Get the target process 58 target = self.dbg.GetSelectedTarget() 59 process = target.GetProcess() 60 61 # The exit probably occured during breakpoint handling, but it isn't 62 # guaranteed. The main thing we're testing here is that the debugger 63 # handles this cleanly is some way. 64 65 # Get the number of threads 66 num_threads = process.GetNumThreads() 67 68 # Make sure we see at least five threads 69 self.assertTrue(num_threads >= 5, 'Number of expected threads and actual threads do not match.') 70 71 # Get the thread objects 72 thread1 = process.GetThreadAtIndex(0) 73 thread2 = process.GetThreadAtIndex(1) 74 thread3 = process.GetThreadAtIndex(2) 75 thread4 = process.GetThreadAtIndex(3) 76 thread5 = process.GetThreadAtIndex(4) 77 78 # Make sure all threads are stopped 79 self.assertTrue(thread1.IsStopped(), "Thread 1 didn't stop during breakpoint") 80 self.assertTrue(thread2.IsStopped(), "Thread 2 didn't stop during breakpoint") 81 self.assertTrue(thread3.IsStopped(), "Thread 3 didn't stop during breakpoint") 82 self.assertTrue(thread4.IsStopped(), "Thread 4 didn't stop during breakpoint") 83 self.assertTrue(thread5.IsStopped(), "Thread 5 didn't stop during breakpoint") 84 85 # Run to completion 86 self.runCmd("continue") 87 88 # At this point, the inferior process should have exited. 89 self.assertTrue(process.GetState() == lldb.eStateExited, PROCESS_EXITED) 90 91 if __name__ == '__main__': 92 import atexit 93 lldb.SBDebugger.Initialize() 94 atexit.register(lambda: lldb.SBDebugger.Terminate()) 95 unittest2.main() 96
