text: """
  Test example snippets from the lldb 'help expression' output.
  """
  
  import os, time
  import unittest2
  import lldb
  from lldbtest import *
  import lldbutil
  
  class Radar9673644TestCase(TestBase):
  
      mydir = TestBase.compute_mydir(__file__)
  
      def setUp(self):
          # Call super's setUp().
          TestBase.setUp(self)
          # Find the line number to break inside main().
          self.main_source = "main.c"
          self.line = line_number(self.main_source, '// Set breakpoint here.')
  
      @expectedFailureDarwin(15641319)
      def test_expr_commands(self):
          """The following expression commands should just work."""
          self.buildDefault()
  
          self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
  
          lldbutil.run_break_set_by_file_and_line (self, self.main_source, self.line, num_expected_locations=1, loc_exact=True)
  
          self.runCmd("run", RUN_SUCCEEDED)
  
          # rdar://problem/9673664 lldb expression evaluation problem
  
          self.expect('expr char c[] = "foo"; c[0]',
              substrs = ["'f'"])
          # runCmd: expr char c[] = "foo"; c[0]
          # output: (char) $0 = 'f'
  
  
  if __name__ == '__main__':
      import atexit
      lldb.SBDebugger.Initialize()
      atexit.register(lambda: lldb.SBDebugger.Terminate())
      unittest2.main()
  