packages/Python/lldbsuite/test/functionalities/thread/backtrace_all/TestBacktraceAll.py

   1 """
   2 Test regression for Bug 25251.
   3 """
   4
   5 import os
   6 import time
   7 import unittest2
   8 import lldb
   9 from lldbsuite.test.decorators import *
  10 from lldbsuite.test.lldbtest import *
  11 from lldbsuite.test import lldbutil
  12
  13
  14 class BreakpointAfterJoinTestCase(TestBase):
  15
  16     mydir = TestBase.compute_mydir(__file__)
  17
  18     def setUp(self):
  19         # Call super's setUp().
  20         TestBase.setUp(self)
  21         # Find the line number for our breakpoint.
  22         self.breakpoint = line_number(
  23             'ParallelTask.cpp', '// Set breakpoint here')
  24
  25     # The android-arm compiler can't compile the inferior
  26     @skipIfTargetAndroid(archs=["arm"])
  27     # because of an issue around std::future.
  28     # TODO: Change the test to don't depend on std::future<T>
  29     def test(self):
  30         """Test breakpoint handling after a thread join."""
  31         self.build(dictionary=self.getBuildFlags())
  32
  33         exe = os.path.join(os.getcwd(), "a.out")
  34         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
  35
  36         # This should create a breakpoint
  37         lldbutil.run_break_set_by_file_and_line(
  38             self, "ParallelTask.cpp", self.breakpoint, num_expected_locations=-1)
  39
  40         # The breakpoint list should show 1 location.
  41         self.expect(
  42             "breakpoint list -f",
  43             "Breakpoint location shown correctly",
  44             substrs=[
  45                 "1: file = 'ParallelTask.cpp', line = %d, exact_match = 0" %
  46                 self.breakpoint])
  47
  48         # Run the program.
  49         self.runCmd("run", RUN_SUCCEEDED)
  50
  51         # The stop reason of the thread should be breakpoint.
  52         self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
  53                     substrs=['stopped',
  54                              'stop reason = breakpoint'])
  55
  56         # This should not result in a segmentation fault
  57         self.expect("thread backtrace all", STOPPED_DUE_TO_BREAKPOINT,
  58                     substrs=["stop reason = breakpoint 1."])
  59
  60         # Run to completion
  61         self.runCmd("continue")
  62
  63 if __name__ == '__main__':
  64     import atexit
  65     lldb.SBDebugger.Initialize()
  66     atexit.register(lambda: lldb.SBDebugger.Terminate())
  67     unittest2.main()