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

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