packages/Python/lldbsuite/test/lang/cpp/limit-debug-info/TestWithLimitDebugInfo.py

   1 import lldb
   2 from lldbsuite.test.decorators import *
   3 from lldbsuite.test.lldbtest import *
   4 from lldbsuite.test import lldbutil
   5
   6 class TestWithLimitDebugInfo(TestBase):
   7
   8     mydir = TestBase.compute_mydir(__file__)
   9
  10     @skipIf(debug_info=no_match(["dwarf"]))
  11     def test_limit_debug_info(self):
  12         self.build()
  13
  14         cwd = os.getcwd()
  15
  16         src_file = os.path.join(cwd, "main.cpp")
  17         src_file_spec = lldb.SBFileSpec(src_file)
  18         self.assertTrue(src_file_spec.IsValid(), "breakpoint file")
  19
  20         # Get the path of the executable
  21         exe_path  = os.path.join(cwd, 'a.out')
  22
  23         # Load the executable
  24         target = self.dbg.CreateTarget(exe_path)
  25         self.assertTrue(target.IsValid(), VALID_TARGET)
  26
  27         # Break on main function
  28         breakpoint = target.BreakpointCreateBySourceRegex("break here", src_file_spec)
  29         self.assertTrue(breakpoint.IsValid() and breakpoint.GetNumLocations() >= 1, VALID_BREAKPOINT)
  30
  31         # Launch the process
  32         process = target.LaunchSimple(None, None, self.get_process_working_directory())
  33         self.assertTrue(process.IsValid(), PROCESS_IS_VALID)
  34
  35         # Get the thread of the process
  36         self.assertTrue(process.GetState() == lldb.eStateStopped, PROCESS_STOPPED)
  37         thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
  38         thread.StepInto()
  39
  40         # Get frame for current thread
  41         frame = thread.GetSelectedFrame()
  42
  43         v1 = frame.EvaluateExpression("1")
  44         self.assertTrue(v1.IsValid(), "'expr 1' results in a valid SBValue object")
  45         self.assertTrue(v1.GetError().Success(), "'expr 1' succeeds without an error.")
  46
  47         v2 = frame.EvaluateExpression("this")
  48         self.assertTrue(v2.IsValid(), "'expr this' results in a valid SBValue object")
  49         self.assertTrue(v2.GetError().Success(), "'expr this' succeeds without an error.")