1import lldb
2from lldbsuite.test.lldbtest import *
3import lldbsuite.test.lldbutil as lldbutil
4
5
6class TestUnionMembers(TestBase):
7
8    def test_union_members(self):
9        self._load_exe()
10
11        # Set breakpoints
12        bp = self.target.BreakpointCreateBySourceRegex(
13            "Break here", self.src_file_spec)
14        self.assertTrue(
15            bp.IsValid() and bp.GetNumLocations() >= 1,
16            VALID_BREAKPOINT)
17
18        # Launch the process
19        self.process = self.target.LaunchSimple(
20            None, None, self.get_process_working_directory())
21        self.assertTrue(self.process.IsValid(), PROCESS_IS_VALID)
22        self.assertEqual(
23            self.process.GetState(), lldb.eStateStopped,
24            PROCESS_STOPPED)
25
26        thread = lldbutil.get_stopped_thread(
27            self.process, lldb.eStopReasonBreakpoint)
28        self.assertTrue(thread.IsValid())
29        frame = thread.GetSelectedFrame()
30        self.assertTrue(frame.IsValid())
31
32        val = frame.EvaluateExpression("u")
33        self.assertTrue(val.IsValid())
34        val = frame.EvaluateExpression("u.s")
35        self.assertTrue(val.IsValid())
36        self.assertEqual(val.GetNumChildren(), 2)
37
38    def _load_exe(self):
39        self.build()
40
41        src_file = os.path.join(self.getSourceDir(), "main.c")
42        self.src_file_spec = lldb.SBFileSpec(src_file)
43        self.assertTrue(self.src_file_spec.IsValid(), "breakpoint file")
44
45        # Get the path of the executable
46        exe_path = self.getBuildArtifact("a.out")
47
48        # Load the executable
49        self.target = self.dbg.CreateTarget(exe_path)
50        self.assertTrue(self.target.IsValid(), VALID_TARGET)
51