1"""
2Test number of threads.
3"""
4
5
6
7import lldb
8from lldbsuite.test.decorators import *
9from lldbsuite.test.lldbtest import *
10from lldbsuite.test import lldbutil
11
12
13class ExitDuringBreakpointTestCase(TestBase):
14
15    def setUp(self):
16        # Call super's setUp().
17        TestBase.setUp(self)
18        # Find the line number for our breakpoint.
19        self.breakpoint = line_number('main.cpp', '// Set breakpoint here')
20
21    def test(self):
22        """Test thread exit during breakpoint handling."""
23        self.build()
24        exe = self.getBuildArtifact("a.out")
25        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
26
27        # This should create a breakpoint in the main thread.
28        lldbutil.run_break_set_by_file_and_line(
29            self, "main.cpp", self.breakpoint, num_expected_locations=1)
30
31        # Run the program.
32        self.runCmd("run", RUN_SUCCEEDED)
33
34        # The stop reason of the thread should be breakpoint.
35        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
36                    substrs=['stopped',
37                             'stop reason = breakpoint'])
38
39        # Get the target process
40        target = self.dbg.GetSelectedTarget()
41        process = target.GetProcess()
42
43        # The exit probably occurred during breakpoint handling, but it isn't
44        # guaranteed.  The main thing we're testing here is that the debugger
45        # handles this cleanly is some way.
46
47        # Get the number of threads
48        num_threads = process.GetNumThreads()
49
50        # Make sure we see at least five threads
51        self.assertTrue(
52            num_threads >= 5,
53            'Number of expected threads and actual threads do not match.')
54
55        # Run to completion
56        self.runCmd("continue")
57
58        # At this point, the inferior process should have exited.
59        self.assertEqual(
60            process.GetState(), lldb.eStateExited,
61            PROCESS_EXITED)
62