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      1 """
      2 Test lldb target stop-hook command.
      3 """
      4 
      5 import os
      6 import unittest2
      7 import StringIO
      8 import lldb
      9 from lldbtest import *
     10 import lldbutil
     11 
     12 class StopHookCmdTestCase(TestBase):
     13 
     14     mydir = os.path.join("functionalities", "stop-hook")
     15 
     16     # Regression test.
     17     def test_not_crashing_if_no_target(self):
     18         """target stop-hook list should not crash if no target has been set."""
     19         self.runCmd("target stop-hook list", check=False)
     20 
     21     @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
     22     @dsym_test
     23     def test_with_dsym(self):
     24         """Test a sequence of target stop-hook commands."""
     25         self.buildDsym()
     26         self.stop_hook_cmd_sequence()
     27 
     28     @dwarf_test
     29     def test_with_dwarf(self):
     30         """Test a sequence of target stop-hook commands."""
     31         self.buildDwarf()
     32         self.stop_hook_cmd_sequence()
     33 
     34     def setUp(self):
     35         # Call super's setUp().
     36         TestBase.setUp(self)
     37         # Find the line numbers inside main.cpp.
     38         self.begl = line_number('main.cpp', '// Set breakpoint here to test target stop-hook.')
     39         self.endl = line_number('main.cpp', '// End of the line range for which stop-hook is to be run.')
     40         self.line = line_number('main.cpp', '// Another breakpoint which is outside of the stop-hook range.')
     41 
     42     def stop_hook_cmd_sequence(self):
     43         """Test a sequence of target stop-hook commands."""
     44         exe = os.path.join(os.getcwd(), "a.out")
     45         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
     46 
     47         lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.begl, num_expected_locations=1, loc_exact=True)
     48 
     49         lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
     50 
     51         self.runCmd("target stop-hook add -f main.cpp -l %d -e %d -o 'expr ptr'" % (self.begl, self.endl))
     52 
     53         self.expect('target stop-hook list', 'Stop Hook added successfully',
     54             substrs = ['State: enabled',
     55                        'expr ptr'])
     56 
     57         self.runCmd('target stop-hook disable')
     58 
     59         self.expect('target stop-hook list', 'Stop Hook disabled successfully',
     60             substrs = ['State: disabled',
     61                        'expr ptr'])
     62 
     63         self.runCmd('target stop-hook enable')
     64 
     65         self.expect('target stop-hook list', 'Stop Hook enabled successfully',
     66             substrs = ['State: enabled',
     67                        'expr ptr'])
     68 
     69         self.runCmd("settings set auto-confirm true")
     70         self.addTearDownHook(lambda: self.runCmd("settings clear auto-confirm"))
     71 
     72         self.runCmd('target stop-hook delete')
     73 
     74         self.expect('target stop-hook list', 'Stop Hook deleted successfully',
     75             substrs = ['No stop hooks.'])
     76 
     77 
     78 if __name__ == '__main__':
     79     import atexit
     80     lldb.SBDebugger.Initialize()
     81     atexit.register(lambda: lldb.SBDebugger.Terminate())
     82     unittest2.main()
     83