xref: /llvm-project/lldb/test/API/python_api/breakpoint/TestBreakpointAPI.py (revision 2238dcc39358353cac21df75c3c3286ab20b8f53) 
1"""
2Test SBBreakpoint APIs.
3"""
4
5import lldb
6from lldbsuite.test.decorators import *
7from lldbsuite.test.lldbtest import *
8from lldbsuite.test import lldbutil
9
10
11class 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38        # Finally make sure the original breakpoint is no longer valid.
39        self.assertTrue(not breakpoint, "Breakpoint we deleted is no longer valid.")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())
72