xref: /llvm-project/lldb/test/API/commands/process/attach-resume/TestAttachResume.py (revision 2238dcc39358353cac21df75c3c3286ab20b8f53) 
1"""
2Test process attach/resume.
3"""
4
5
6import lldb
7from lldbsuite.test.decorators import *
8from lldbsuite.test.lldbtest import *
9from lldbsuite.test import lldbutil
10
11exe_name = "AttachResume"  # Must match Makefile
12
13
14class AttachResumeTestCase(TestBase):
15    NO_DEBUG_INFO_TESTCASE = True
16
17    @skipIfRemote
18    @expectedFailureNetBSD
19    @skipIfWindows  # llvm.org/pr24778, llvm.org/pr21753
20    def test_attach_continue_interrupt_detach(self):
21        """Test attach/continue/interrupt/detach"""
22        self.build()
23        self.process_attach_continue_interrupt_detach()
24
25    def process_attach_continue_interrupt_detach(self):
26        """Test attach/continue/interrupt/detach"""
27
28        exe = self.getBuildArtifact(exe_name)
29
30        popen = self.spawnSubprocess(exe)
31
32        self.runCmd("process attach -p " + str(popen.pid))
33
34        self.setAsync(True)
35        listener = self.dbg.GetListener()
36        process = self.dbg.GetSelectedTarget().GetProcess()
37
38        self.runCmd("c")
39        lldbutil.expect_state_changes(self, listener, process, [lldb.eStateRunning])
40
41        self.runCmd("process interrupt")
42        lldbutil.expect_state_changes(self, listener, process, [lldb.eStateStopped])
43
44        # be sure to continue/interrupt/continue (r204504)
45        self.runCmd("c")
46        lldbutil.expect_state_changes(self, listener, process, [lldb.eStateRunning])
47
48        self.runCmd("process interrupt")
49        lldbutil.expect_state_changes(self, listener, process, [lldb.eStateStopped])
50
51        # Second interrupt should have no effect.
52        self.expect(
53            "process interrupt", patterns=["Process is not running"], error=True
54        )
55
56        # check that this breakpoint is auto-cleared on detach (r204752)
57        self.runCmd(
58            "br set -f main.cpp -l %u"
59            % (line_number("main.cpp", "// Set breakpoint here"))
60        )
61
62        self.runCmd("c")
63        lldbutil.expect_state_changes(
64            self, listener, process, [lldb.eStateRunning, lldb.eStateStopped]
65        )
66        self.expect("br list", "Breakpoint not hit", substrs=["hit count = 1"])
67
68        # Make sure the breakpoint is not hit again.
69        self.expect("expr debugger_flag = false", substrs=[" = false"])
70
71        self.runCmd("c")
72        lldbutil.expect_state_changes(self, listener, process, [lldb.eStateRunning])
73
74        # make sure to detach while in running state (r204759)
75        self.runCmd("detach")
76        lldbutil.expect_state_changes(self, listener, process, [lldb.eStateDetached])
77