1"""
2Test that step-inst over a crash behaves correctly.
3"""
4
5
6
7import lldb
8from lldbsuite.test.decorators import *
9from lldbsuite.test.lldbtest import *
10from lldbsuite.test import lldbutil
11
12
13class CrashDuringStepTestCase(TestBase):
14
15    mydir = TestBase.compute_mydir(__file__)
16
17    def setUp(self):
18        TestBase.setUp(self)
19        self.breakpoint = line_number('main.cpp', '// Set breakpoint here')
20
21    # IO error due to breakpoint at invalid address
22    @expectedFailureAll(triple=re.compile('^mips'))
23    def test_step_inst_with(self):
24        """Test thread creation during step-inst handling."""
25        self.build(dictionary=self.getBuildFlags())
26        exe = self.getBuildArtifact("a.out")
27
28        target = self.dbg.CreateTarget(exe)
29        self.assertTrue(target and target.IsValid(), "Target is valid")
30
31        self.bp_num = lldbutil.run_break_set_by_file_and_line(
32            self, "main.cpp", self.breakpoint, num_expected_locations=1)
33
34        # Run the program.
35        process = target.LaunchSimple(
36            None, None, self.get_process_working_directory())
37        self.assertTrue(process and process.IsValid(), PROCESS_IS_VALID)
38
39        # The stop reason should be breakpoint.
40        self.assertEqual(
41            process.GetState(),
42            lldb.eStateStopped,
43            PROCESS_STOPPED)
44        thread = lldbutil.get_stopped_thread(
45            process, lldb.eStopReasonBreakpoint)
46        self.assertTrue(thread.IsValid(), STOPPED_DUE_TO_BREAKPOINT)
47
48        # Keep stepping until the inferior crashes
49        while process.GetState() == lldb.eStateStopped and not lldbutil.is_thread_crashed(self, thread):
50            thread.StepInstruction(False)
51
52        self.assertEqual(
53            process.GetState(),
54            lldb.eStateStopped,
55            PROCESS_STOPPED)
56        self.assertTrue(
57            lldbutil.is_thread_crashed(
58                self,
59                thread),
60            "Thread has crashed")
61        process.Kill()
62