xref: /llvm-project/lldb/test/API/tools/lldb-dap/threads/TestDAP_threads.py (revision fa6377119c0624773cb698935692d46843e9f6ec) 
1"""
2Test lldb-dap setBreakpoints request
3"""
4
5from lldbsuite.test.decorators import *
6from lldbsuite.test.lldbtest import *
7from lldbsuite.test import lldbutil
8import lldbdap_testcase
9
10
11class TestDAP_threads(lldbdap_testcase.DAPTestCaseBase):
12    @skipIfWindows
13    def test_correct_thread(self):
14        """
15        Tests that the correct thread is selected if we continue from
16        a thread that goes away and hit a breakpoint in another thread.
17        In this case, the selected thread should be the thread that
18        just hit the breakpoint, and not the first thread in the list.
19        """
20        program = self.getBuildArtifact("a.out")
21        self.build_and_launch(program)
22        source = "main.c"
23        breakpoint_line = line_number(source, "// break here")
24        lines = [breakpoint_line]
25        # Set breakpoint in the thread function
26        breakpoint_ids = self.set_source_breakpoints(source, lines)
27        self.assertEqual(
28            len(breakpoint_ids), len(lines), "expect correct number of breakpoints"
29        )
30        self.continue_to_breakpoints(breakpoint_ids)
31        # We're now stopped at the breakpoint in the first thread, thread #2.
32        # Continue to join the first thread and hit the breakpoint in the
33        # second thread, thread #3.
34        self.dap_server.request_continue()
35        stopped_event = self.dap_server.wait_for_stopped()
36        # Verify that the description is the relevant breakpoint,
37        # preserveFocusHint is False and threadCausedFocus is True
38        self.assertTrue(
39            stopped_event[0]["body"]["description"].startswith(
40                "breakpoint %s." % breakpoint_ids[0]
41            )
42        )
43        self.assertFalse(stopped_event[0]["body"]["preserveFocusHint"])
44        self.assertTrue(stopped_event[0]["body"]["threadCausedFocus"])
45
46    @skipIfWindows
47    def test_thread_format(self):
48        """
49        Tests the support for custom thread formats.
50        """
51        program = self.getBuildArtifact("a.out")
52        self.build_and_launch(
53            program, customThreadFormat="This is thread index #${thread.index}"
54        )
55        source = "main.c"
56        breakpoint_line = line_number(source, "// break here")
57        lines = [breakpoint_line]
58        # Set breakpoint in the thread function
59        breakpoint_ids = self.set_source_breakpoints(source, lines)
60        self.assertEqual(
61            len(breakpoint_ids), len(lines), "expect correct number of breakpoints"
62        )
63        self.continue_to_breakpoints(breakpoint_ids)
64        # We are stopped at the second thread
65        threads = self.dap_server.get_threads()
66        self.assertEqual(threads[0]["name"], "This is thread index #1")
67        self.assertEqual(threads[1]["name"], "This is thread index #2")
68