1"""
2Make sure the frame variable -g, -a, and -l flags work.
3"""
4
5
6
7import lldb
8import lldbsuite.test.lldbutil as lldbutil
9from lldbsuite.test.lldbtest import *
10
11
12class TestFrameVar(TestBase):
13
14    mydir = TestBase.compute_mydir(__file__)
15
16    # If your test case doesn't stress debug info, the
17    # set this to true.  That way it won't be run once for
18    # each debug info format.
19    NO_DEBUG_INFO_TESTCASE = True
20
21    def test_frame_var(self):
22        self.build()
23        self.do_test()
24
25    def do_test(self):
26        target = self.createTestTarget()
27
28        # Now create a breakpoint in main.c at the source matching
29        # "Set a breakpoint here"
30        breakpoint = target.BreakpointCreateBySourceRegex(
31            "Set a breakpoint here", lldb.SBFileSpec("main.c"))
32        self.assertTrue(breakpoint and
33                        breakpoint.GetNumLocations() >= 1,
34                        VALID_BREAKPOINT)
35
36        error = lldb.SBError()
37        # This is the launch info.  If you want to launch with arguments or
38        # environment variables, add them using SetArguments or
39        # SetEnvironmentEntries
40
41        launch_info = target.GetLaunchInfo()
42        process = target.Launch(launch_info, error)
43        self.assertTrue(process, PROCESS_IS_VALID)
44
45        # Did we hit our breakpoint?
46        from lldbsuite.test.lldbutil import get_threads_stopped_at_breakpoint
47        threads = get_threads_stopped_at_breakpoint(process, breakpoint)
48        self.assertEqual(
49            len(threads), 1,
50            "There should be a thread stopped at our breakpoint")
51
52        # The hit count for the breakpoint should be 1.
53        self.assertEquals(breakpoint.GetHitCount(), 1)
54
55        frame = threads[0].GetFrameAtIndex(0)
56        command_result = lldb.SBCommandReturnObject()
57        interp = self.dbg.GetCommandInterpreter()
58
59        # Just get args:
60        result = interp.HandleCommand("frame var -l", command_result)
61        self.assertEqual(result, lldb.eReturnStatusSuccessFinishResult, "frame var -a didn't succeed")
62        output = command_result.GetOutput()
63        self.assertIn("argc", output, "Args didn't find argc")
64        self.assertIn("argv", output, "Args didn't find argv")
65        self.assertNotIn("test_var", output, "Args found a local")
66        self.assertNotIn("g_var", output, "Args found a global")
67
68        # Just get locals:
69        result = interp.HandleCommand("frame var -a", command_result)
70        self.assertEqual(result, lldb.eReturnStatusSuccessFinishResult, "frame var -a didn't succeed")
71        output = command_result.GetOutput()
72        self.assertNotIn("argc", output, "Locals found argc")
73        self.assertNotIn("argv", output, "Locals found argv")
74        self.assertIn("test_var", output, "Locals didn't find test_var")
75        self.assertNotIn("g_var", output, "Locals found a global")
76
77        # Get the file statics:
78        result = interp.HandleCommand("frame var -l -a -g", command_result)
79        self.assertEqual(result, lldb.eReturnStatusSuccessFinishResult, "frame var -a didn't succeed")
80        output = command_result.GetOutput()
81        self.assertNotIn("argc", output, "Globals found argc")
82        self.assertNotIn("argv", output, "Globals found argv")
83        self.assertNotIn("test_var", output, "Globals found test_var")
84        self.assertIn("g_var", output, "Globals didn't find g_var")
85
86
87
88