1"""Test stepping over vrs. hitting breakpoints & subsequent stepping in various forms."""
2
3
4
5import lldb
6from lldbsuite.test.decorators import *
7from lldbsuite.test.lldbtest import *
8from lldbsuite.test import lldbutil
9
10
11class StepUntilTestCase(TestBase):
12
13    def setUp(self):
14        # Call super's setUp().
15        TestBase.setUp(self)
16        # Find the line numbers that we will step to in main:
17        self.main_source = "main.c"
18        self.less_than_two = line_number('main.c', 'Less than 2')
19        self.greater_than_two = line_number('main.c', 'Greater than or equal to 2.')
20        self.back_out_in_main = line_number('main.c', 'Back out in main')
21
22    def do_until (self, args, until_lines, expected_linenum):
23        self.build()
24        exe = self.getBuildArtifact("a.out")
25
26        target = self.dbg.CreateTarget(exe)
27        self.assertTrue(target, VALID_TARGET)
28
29        main_source_spec = lldb.SBFileSpec(self.main_source)
30        break_before = target.BreakpointCreateBySourceRegex(
31            'At the start',
32            main_source_spec)
33        self.assertTrue(break_before, VALID_BREAKPOINT)
34
35        # Now launch the process, and do not stop at entry point.
36        process = target.LaunchSimple(
37            args, None, self.get_process_working_directory())
38
39        self.assertTrue(process, PROCESS_IS_VALID)
40
41        # The stop reason of the thread should be breakpoint.
42        threads = lldbutil.get_threads_stopped_at_breakpoint(
43            process, break_before)
44
45        if len(threads) != 1:
46            self.fail("Failed to stop at first breakpoint in main.")
47
48        thread = threads[0]
49        return thread
50
51        thread = self.common_setup(None)
52
53        cmd_interp = self.dbg.GetCommandInterpreter()
54        ret_obj = lldb.SBCommandReturnObject()
55
56        cmd_line = "thread until"
57        for line_num in until_lines:
58            cmd_line += " %d"%(line_num)
59
60        cmd_interp.HandleCommand(cmd_line, ret_obj)
61        self.assertTrue(ret_obj.Succeeded(), "'%s' failed: %s."%(cmd_line, ret_obj.GetError()))
62
63        frame = thread.frames[0]
64        line = frame.GetLineEntry().GetLine()
65        self.assertEqual(line, expected_linenum, 'Did not get the expected stop line number')
66
67    def test_hitting_one (self):
68        """Test thread step until - targeting one line and hitting it."""
69        self.do_until(None, [self.less_than_two], self.less_than_two)
70
71    def test_targetting_two_hitting_first (self):
72        """Test thread step until - targeting two lines and hitting one."""
73        self.do_until(["foo", "bar", "baz"], [self.less_than_two, self.greater_than_two], self.greater_than_two)
74
75    def test_targetting_two_hitting_second (self):
76        """Test thread step until - targeting two lines and hitting the other one."""
77        self.do_until(None, [self.less_than_two, self.greater_than_two], self.less_than_two)
78
79    def test_missing_one (self):
80        """Test thread step until - targeting one line and missing it."""
81        self.do_until(["foo", "bar", "baz"], [self.less_than_two], self.back_out_in_main)
82
83
84
85