1""" 2Test number of threads. 3""" 4 5import os, time 6import unittest2 7import lldb 8from lldbtest import * 9import lldbutil 10 11class MultipleBreakpointTestCase(TestBase): 12 13 mydir = os.path.join("functionalities", "thread", "multi_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 simultaneous breakpoints in multiple threads.""" 20 self.buildDsym(dictionary=self.getBuildFlags()) 21 self.multiple_breakpoint_test() 22 23 @expectedFailureFreeBSD("llvm.org/pr16696") # threaded inferior not implemented on FreeBSD yet 24 @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained 25 @dwarf_test 26 def test_with_dwarf(self): 27 """Test simultaneous breakpoints in multiple threads.""" 28 self.buildDwarf(dictionary=self.getBuildFlags()) 29 self.multiple_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 multiple_breakpoint_test(self): 38 """Test simultaneous breakpoints in multiple threads.""" 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 # The breakpoint may be hit in either thread 2 or thread 3. 54 self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, 55 substrs = ['stopped', 56 'stop reason = breakpoint']) 57 58 # Get the target process 59 target = self.dbg.GetSelectedTarget() 60 process = target.GetProcess() 61 62 # Get the number of threads 63 num_threads = process.GetNumThreads() 64 65 # Make sure we see all three threads 66 self.assertTrue(num_threads == 3, 'Number of expected threads and actual threads do not match.') 67 68 # Get the thread objects 69 thread1 = process.GetThreadAtIndex(0) 70 thread2 = process.GetThreadAtIndex(1) 71 thread3 = process.GetThreadAtIndex(2) 72 73 # Make sure both threads are stopped 74 self.assertTrue(thread1.IsStopped(), "Primary thread didn't stop during breakpoint") 75 self.assertTrue(thread2.IsStopped(), "Secondary thread didn't stop during breakpoint") 76 self.assertTrue(thread3.IsStopped(), "Tertiary thread didn't stop during breakpoint") 77 78 # Delete the first breakpoint then continue 79 self.runCmd("breakpoint delete 1") 80 81 # Run to completion 82 self.runCmd("continue") 83 84 # At this point, the inferior process should have exited. 85 self.assertTrue(process.GetState() == lldb.eStateExited, PROCESS_EXITED) 86 87if __name__ == '__main__': 88 import atexit 89 lldb.SBDebugger.Initialize() 90 atexit.register(lambda: lldb.SBDebugger.Terminate()) 91 unittest2.main() 92