lldb/test/API/python_api/breakpoint/TestBreakpointAPI.py

   1 """
   2 Test SBBreakpoint APIs.
   3 """
   4
   5 import lldb
   6 from lldbsuite.test.decorators import *
   7 from lldbsuite.test.lldbtest import *
   8 from lldbsuite.test import lldbutil
   9
  10
  11 class BreakpointAPITestCase(TestBase):
  12     NO_DEBUG_INFO_TESTCASE = True
  13
  14     def test_breakpoint_is_valid(self):
  15         """Make sure that if an SBBreakpoint gets deleted its IsValid returns false."""
  16         self.build()
  17         exe = self.getBuildArtifact("a.out")
  18
  19         # Create a target by the debugger.
  20         target = self.dbg.CreateTarget(exe)
  21         self.assertTrue(target, VALID_TARGET)
  22
  23         # Now create a breakpoint on main.c by name 'AFunction'.
  24         breakpoint = target.BreakpointCreateByName("AFunction", "a.out")
  25         self.trace("breakpoint:", breakpoint)
  26         self.assertTrue(
  27             breakpoint and breakpoint.GetNumLocations() == 1, VALID_BREAKPOINT
  28         )
  29
  30         # Now delete it:
  31         did_delete = target.BreakpointDelete(breakpoint.GetID())
  32         self.assertTrue(did_delete, "Did delete the breakpoint we just created.")
  33
  34         # Make sure we can't find it:
  35         del_bkpt = target.FindBreakpointByID(breakpoint.GetID())
  36         self.assertTrue(not del_bkpt, "We did delete the breakpoint.")
  37
  38         # Finally make sure the original breakpoint is no longer valid.
  39         self.assertTrue(not breakpoint, "Breakpoint we deleted is no longer valid.")
  40
  41     def test_target_delete(self):
  42         """Make sure that if an SBTarget gets deleted the associated
  43         Breakpoint's IsValid returns false."""
  44
  45         self.build()
  46         exe = self.getBuildArtifact("a.out")
  47
  48         # Create a target by the debugger.
  49         target = self.dbg.CreateTarget(exe)
  50         self.assertTrue(target, VALID_TARGET)
  51
  52         # Now create a breakpoint on main.c by name 'AFunction'.
  53         breakpoint = target.BreakpointCreateByName("AFunction", "a.out")
  54         self.trace("breakpoint:", breakpoint)
  55         self.assertTrue(
  56             breakpoint and breakpoint.GetNumLocations() == 1, VALID_BREAKPOINT
  57         )
  58         location = breakpoint.GetLocationAtIndex(0)
  59         self.assertTrue(location.IsValid())
  60
  61         # Test negative index access.
  62         self.assertTrue(breakpoint.location[-1].IsValid())
  63
  64         # Make sure the breakpoint's target is right:
  65         self.assertEqual(
  66             target, breakpoint.GetTarget(), "Breakpoint reports its target correctly"
  67         )
  68
  69         self.assertTrue(self.dbg.DeleteTarget(target))
  70         self.assertFalse(breakpoint.IsValid())
  71         self.assertFalse(location.IsValid())