artulab.com Git - openbsd/blob

   1 """
   2 Test that hitting a UBSan issue while running user expression doesn't break the evaluation.
   3 """
   4
   5 import lldb
   6 from lldbsuite.test.lldbtest import *
   7 from lldbsuite.test.decorators import *
   8 import lldbsuite.test.lldbutil as lldbutil
   9
  10
  11 class UbsanUserExpressionTestCase(TestBase):
  12
  13     mydir = TestBase.compute_mydir(__file__)
  14
  15     @skipUnlessUndefinedBehaviorSanitizer
  16     def test(self):
  17         self.build()
  18         self.ubsan_tests()
  19
  20     def setUp(self):
  21         # Call super's setUp().
  22         TestBase.setUp(self)
  23         self.line_breakpoint = line_number('main.c', '// breakpoint line')
  24
  25     def ubsan_tests(self):
  26         # Load the test
  27         exe = self.getBuildArtifact("a.out")
  28         self.expect(
  29             "file " + exe,
  30             patterns=["Current executable set to .*a.out"])
  31
  32         self.runCmd("breakpoint set -f main.c -l %d" % self.line_breakpoint)
  33
  34         self.runCmd("run")
  35
  36         process = self.dbg.GetSelectedTarget().process
  37         thread = process.GetSelectedThread()
  38         frame = thread.GetSelectedFrame()
  39
  40         self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
  41                     substrs=['stopped', 'stop reason = breakpoint'])
  42
  43         self.expect("p foo()", substrs=["(int) $0 = 42"])
  44
  45         self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
  46                     substrs=['stopped', 'stop reason = breakpoint'])