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