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      1 """
      2 Test lldb data formatter subsystem.
      3 """
      4 
      5 import os, time
      6 import unittest2
      7 import lldb
      8 from lldbtest import *
      9 import lldbutil
     10 
     11 class GlobalsDataFormatterTestCase(TestBase):
     12 
     13     mydir = os.path.join("functionalities", "data-formatter", "data-formatter-globals")
     14 
     15     @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
     16     @dsym_test
     17     def test_with_dsym_and_run_command(self):
     18         """Test data formatter commands."""
     19         self.buildDsym()
     20         self.data_formatter_commands()
     21 
     22     @dwarf_test
     23     def test_with_dwarf_and_run_command(self):
     24         """Test data formatter commands."""
     25         self.buildDwarf()
     26         self.data_formatter_commands()
     27 
     28     def setUp(self):
     29         # Call super's setUp().
     30         TestBase.setUp(self)
     31         # Find the line number to break at.
     32         self.line = line_number('main.cpp', '// Set break point at this line.')
     33 
     34     def data_formatter_commands(self):
     35         """Test that that file and class static variables display correctly."""
     36         self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
     37 
     38         lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
     39 
     40         # This is the function to remove the custom formats in order to have a
     41         # clean slate for the next test case.
     42         def cleanup():
     43             self.runCmd('type format clear', check=False)
     44             self.runCmd('type summary clear', check=False)
     45 
     46         # Execute the cleanup function during test case tear down.
     47         self.addTearDownHook(cleanup)
     48 
     49         self.runCmd("type summary add --summary-string \"JustATest\" Point")
     50 
     51         # Simply check we can get at global variables
     52         self.expect("target variable g_point",
     53             substrs = ['JustATest'])
     54 
     55         self.expect("target variable g_point_pointer",
     56             substrs = ['(Point *) g_point_pointer ='])
     57 
     58         # Print some information about the variables
     59         # (we ignore the actual values)
     60         self.runCmd("type summary add --summary-string \"(x=${var.x},y=${var.y})\" Point")
     61 
     62         self.expect("target variable g_point",
     63                     substrs = ['x=',
     64                                'y='])
     65         
     66         self.expect("target variable g_point_pointer",
     67                     substrs = ['(Point *) g_point_pointer ='])
     68 
     69         # Test Python code on resulting SBValue
     70         self.runCmd("type summary add --python-script \"return 'x=' + str(valobj.GetChildMemberWithName('x').GetValue());\" Point")
     71 
     72         self.expect("target variable g_point",
     73                     substrs = ['x='])
     74         
     75         self.expect("target variable g_point_pointer",
     76                     substrs = ['(Point *) g_point_pointer ='])
     77 
     78 
     79 if __name__ == '__main__':
     80     import atexit
     81     lldb.SBDebugger.Initialize()
     82     atexit.register(lambda: lldb.SBDebugger.Terminate())
     83     unittest2.main()
     84