xref: /llvm-project/lldb/test/API/commands/watchpoints/multiple_hits/TestMultipleHits.py (revision 2238dcc39358353cac21df75c3c3286ab20b8f53) 
1"""
2Test handling of cases when a single instruction triggers multiple watchpoints
3"""
4
5
6import lldb
7from lldbsuite.test.decorators import *
8from lldbsuite.test.lldbtest import *
9from lldbsuite.test import lldbutil
10
11
12class MultipleHitsTestCase(TestBase):
13    NO_DEBUG_INFO_TESTCASE = True
14
15    @skipIf(
16        bugnumber="llvm.org/pr30758",
17        oslist=["linux"],
18        archs=["arm", "aarch64", "powerpc64le"],
19    )
20    @skipIfwatchOS
21    def test(self):
22        self.build()
23        target = self.createTestTarget()
24
25        bp = target.BreakpointCreateByName("main")
26        self.assertTrue(bp and bp.IsValid(), "Breakpoint is valid")
27
28        process = target.LaunchSimple(None, None, self.get_process_working_directory())
29        self.assertState(process.GetState(), lldb.eStateStopped)
30
31        thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
32        self.assertIsNotNone(thread)
33
34        frame = thread.GetFrameAtIndex(0)
35        self.assertTrue(frame and frame.IsValid(), "Frame is valid")
36
37        buf = frame.FindValue("buf", lldb.eValueTypeVariableGlobal)
38        self.assertTrue(buf and buf.IsValid(), "buf is valid")
39
40        for i in [0, target.GetAddressByteSize()]:
41            member = buf.GetChildAtIndex(i)
42            self.assertTrue(member and member.IsValid(), "member is valid")
43
44            error = lldb.SBError()
45            watch = member.Watch(True, True, True, error)
46            self.assertSuccess(error)
47
48        process.Continue()
49        self.assertState(process.GetState(), lldb.eStateStopped)
50        self.assertStopReason(thread.GetStopReason(), lldb.eStopReasonWatchpoint)
51