artulab.com Git - openbsd/blob

   1 """
   2 Test lldb data formatter subsystem.
   3 """
   4
   5
   6
   7 import lldb
   8 from lldbsuite.test.decorators import *
   9 from lldbsuite.test.lldbtest import *
  10 from lldbsuite.test import lldbutil
  11
  12
  13 class SyntheticFilterRecomputingTestCase(TestBase):
  14
  15     mydir = TestBase.compute_mydir(__file__)
  16
  17     def setUp(self):
  18         # Call super's setUp().
  19         TestBase.setUp(self)
  20         # Find the line number to break at.
  21         self.line = line_number('main.m', '// Set break point at this line.')
  22
  23     @skipUnlessDarwin
  24     def test_rdar12437442_with_run_command(self):
  25         """Test that we update SBValues correctly as dynamic types change."""
  26         self.build()
  27         self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
  28
  29         lldbutil.run_break_set_by_file_and_line(
  30             self, "main.m", self.line, num_expected_locations=1, loc_exact=True)
  31
  32         self.runCmd("run", RUN_SUCCEEDED)
  33
  34         # The stop reason of the thread should be breakpoint.
  35         self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
  36                     substrs=['stopped',
  37                              'stop reason = breakpoint'])
  38
  39         # This is the function to remove the custom formats in order to have a
  40         # clean slate for the next test case.
  41         def cleanup():
  42             self.runCmd('type format clear', check=False)
  43             self.runCmd('type summary clear', check=False)
  44             self.runCmd('type synth clear', check=False)
  45
  46         # Execute the cleanup function during test case tear down.
  47         self.addTearDownHook(cleanup)
  48
  49         # Now run the bulk of the test
  50         id_x = self.dbg.GetSelectedTarget().GetProcess(
  51         ).GetSelectedThread().GetSelectedFrame().FindVariable("x")
  52         id_x.SetPreferDynamicValue(lldb.eDynamicCanRunTarget)
  53         id_x.SetPreferSyntheticValue(True)
  54
  55         if self.TraceOn():
  56             self.runCmd("expr --dynamic-type run-target --ptr-depth 1 -- x")
  57
  58         self.assertTrue(
  59             id_x.GetSummary() == '@"5 elements"',
  60             "array does not get correct summary")
  61
  62         self.runCmd("next")
  63         self.runCmd("frame select 0")
  64
  65         id_x = self.dbg.GetSelectedTarget().GetProcess(
  66         ).GetSelectedThread().GetSelectedFrame().FindVariable("x")
  67         id_x.SetPreferDynamicValue(lldb.eDynamicCanRunTarget)
  68         id_x.SetPreferSyntheticValue(True)
  69
  70         if self.TraceOn():
  71             self.runCmd("expr --dynamic-type run-target --ptr-depth 1 -- x")
  72
  73         self.assertTrue(
  74             id_x.GetNumChildren() == 7,
  75             "dictionary does not have 7 children")
  76         id_x.SetPreferSyntheticValue(False)
  77         self.assertFalse(
  78             id_x.GetNumChildren() == 7,
  79             "dictionary still looks synthetic")
  80         id_x.SetPreferSyntheticValue(True)
  81         self.assertTrue(
  82             id_x.GetSummary() == "7 key/value pairs",
  83             "dictionary does not get correct summary")