text: """
  Test lldb data formatter subsystem.
  """
  
  
  
  import lldb
  from lldbsuite.test.decorators import *
  from lldbsuite.test.lldbtest import *
  from lldbsuite.test import lldbutil
  
  
  class TestDataFormatterLibcxxTuple(TestBase):
  
      mydir = TestBase.compute_mydir(__file__)
  
      def setUp(self):
          TestBase.setUp(self)
          self.line = line_number('main.cpp', '// break here')
          ns = 'ndk' if lldbplatformutil.target_is_android() else ''
          self.namespace = 'std::__' + ns + '1'
  
      @add_test_categories(["libc++"])
      def test(self):
          """Test that std::tuple is displayed correctly"""
          self.build()
          lldbutil.run_to_source_breakpoint(self, '// break here',
                  lldb.SBFileSpec("main.cpp", False))
  
          tuple_name = self.namespace + '::tuple'
          self.expect("frame variable empty",
                      substrs=[tuple_name,
                               'size=0',
                               '{}'])
  
          self.expect("frame variable one_elt",
                      substrs=[tuple_name,
                               'size=1',
                               '{',
                               '[0] = 47',
                               '}'])
  
          self.expect("frame variable three_elts",
                      substrs=[tuple_name,
                               'size=3',
                               '{',
                               '[0] = 1',
                               '[1] = 47',
                               '[2] = "foo"',
                               '}'])
  