artulab.com Git - openbsd/blob

   1 """
   2 Test lldb data formatter subsystem.
   3 """
   4
   5
   6
   7 import lldb
   8 from lldbsuite.test.lldbtest import *
   9 import lldbsuite.test.lldbutil as lldbutil
  10
  11
  12 class LanguageCategoryUpdatesTestCase(TestBase):
  13
  14     mydir = TestBase.compute_mydir(__file__)
  15
  16     def setUp(self):
  17         # Call super's setUp().
  18         TestBase.setUp(self)
  19         # Find the line number to break at.
  20         self.line = line_number('main.cpp', '// break here')
  21
  22     def test_with_run_command(self):
  23         """Test that LLDB correctly cleans caches when language categories change."""
  24         # This is the function to remove the custom formats in order to have a
  25         # clean slate for the next test case.
  26         def cleanup():
  27             if hasattr(
  28                     self,
  29                     'type_category') and hasattr(
  30                     self,
  31                     'type_specifier'):
  32                 self.type_category.DeleteTypeSummary(self.type_specifier)
  33
  34         # Execute the cleanup function during test case tear down.
  35         self.addTearDownHook(cleanup)
  36
  37         self.build()
  38         self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
  39
  40         lldbutil.run_break_set_by_file_and_line(
  41             self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
  42
  43         self.runCmd("run", RUN_SUCCEEDED)
  44
  45         # The stop reason of the thread should be breakpoint.
  46         self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
  47                     substrs=['stopped',
  48                              'stop reason = breakpoint'])
  49
  50         self.expect(
  51             "frame variable",
  52             substrs=[
  53                 '(S)',
  54                 'object',
  55                 '123',
  56                 '456'],
  57             matching=True)
  58
  59         self.type_category = self.dbg.GetCategory(
  60             lldb.eLanguageTypeC_plus_plus)
  61         type_summary = lldb.SBTypeSummary.CreateWithSummaryString(
  62             "this is an object of type S")
  63         self.type_specifier = lldb.SBTypeNameSpecifier('S')
  64         self.type_category.AddTypeSummary(self.type_specifier, type_summary)
  65
  66         self.expect(
  67             "frame variable",
  68             substrs=['this is an object of type S'],
  69             matching=True)
  70
  71         self.type_category.DeleteTypeSummary(self.type_specifier)
  72         self.expect(
  73             "frame variable",
  74             substrs=['this is an object of type S'],
  75             matching=False)
  76         self.expect(
  77             "frame variable",
  78             substrs=[
  79                 '(S)',
  80                 'object',
  81                 '123',
  82                 '456'],
  83             matching=True)