packages/Python/lldbsuite/test/lang/cpp/global_operators/TestCppGlobalOperators.py

   1 """
   2 Test that global operators are found and evaluated.
   3 """
   4 import lldb
   5 from lldbsuite.test.decorators import *
   6 from lldbsuite.test.lldbtest import *
   7 from lldbsuite.test import lldbutil
   8
   9 class TestCppGlobalOperators(TestBase):
  10
  11     mydir = TestBase.compute_mydir(__file__)
  12
  13     @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765")
  14     def test_with_run_command(self):
  15         self.build()
  16
  17         # Get main source file
  18         src_file = "main.cpp"
  19         src_file_spec = lldb.SBFileSpec(src_file)
  20         self.assertTrue(src_file_spec.IsValid(), "Main source file")
  21
  22         # Get the path of the executable
  23         cwd = os.getcwd()
  24         exe_file = "a.out"
  25         exe_path  = os.path.join(cwd, exe_file)
  26
  27         # Load the executable
  28         target = self.dbg.CreateTarget(exe_path)
  29         self.assertTrue(target.IsValid(), VALID_TARGET)
  30
  31         # Break on main function
  32         main_breakpoint = target.BreakpointCreateBySourceRegex("// break here", src_file_spec)
  33         self.assertTrue(main_breakpoint.IsValid() and main_breakpoint.GetNumLocations() >= 1, VALID_BREAKPOINT)
  34
  35         # Launch the process
  36         args = None
  37         env = None
  38         process = target.LaunchSimple(args, env, self.get_process_working_directory())
  39         self.assertTrue(process.IsValid(), PROCESS_IS_VALID)
  40
  41         # Get the thread of the process
  42         self.assertTrue(process.GetState() == lldb.eStateStopped, PROCESS_STOPPED)
  43         thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
  44
  45         # Check if global operators are evaluated
  46         frame = thread.GetSelectedFrame()
  47
  48         test_result = frame.EvaluateExpression("operator==(s1, s2)")
  49         self.assertTrue(test_result.IsValid() and test_result.GetValue() == "false", "operator==(s1, s2) = false")
  50
  51         test_result = frame.EvaluateExpression("operator==(s1, s3)")
  52         self.assertTrue(test_result.IsValid() and test_result.GetValue() == "true", "operator==(s1, s3) = true")
  53
  54         test_result = frame.EvaluateExpression("operator==(s2, s3)")
  55         self.assertTrue(test_result.IsValid() and test_result.GetValue() == "false", "operator==(s2, s3) = false")