1"""
2Make sure the stop reason of a thread that did not run
3during an expression is not changed by running the expression
4"""
5
6
7import lldb
8import lldbsuite.test.lldbutil as lldbutil
9from lldbsuite.test.lldbtest import *
10from lldbsuite.test.decorators import *
11
12
13class TestStopReasonAfterExpression(TestBase):
14    @skipIfWindows
15    @expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr48415")
16    @expectedFlakeyNetBSD
17    def test_thread_state_after_expr(self):
18        self.build()
19        self.main_source_file = lldb.SBFileSpec("main.cpp")
20        self.do_test()
21
22    def do_test(self):
23        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
24            self, "Set a breakpoint here", self.main_source_file
25        )
26
27        self.assertEqual(bkpt.GetNumLocations(), 2, "Got two locations")
28
29        # So now thread holds the main thread.  Continue to hit the
30        # breakpoint again on the spawned thread:
31
32        threads = lldbutil.continue_to_breakpoint(process, bkpt)
33        self.assertEqual(len(threads), 1, "Hit the breakpoint the second time")
34        other_thread = threads[0]
35
36        self.assertNotEqual(
37            thread.GetThreadID(), other_thread.GetThreadID(), "A different thread"
38        )
39        # Run an expression ONLY on other_thread.  Don't let thread run:
40        options = lldb.SBExpressionOptions()
41        options.SetTryAllThreads(False)
42        options.SetStopOthers(True)
43
44        result = thread.frames[0].EvaluateExpression(
45            '(int) printf("Hello\\n")', options
46        )
47        self.assertSuccess(result.GetError(), "Expression failed")
48
49        stop_reason = other_thread.GetStopReason()
50
51        self.assertStopReason(
52            stop_reason,
53            lldb.eStopReasonBreakpoint,
54            "Still records stopped at breakpoint: %s"
55            % (lldbutil.stop_reason_to_str(stop_reason)),
56        )
57        self.assertEqual(
58            other_thread.GetStopReasonDataAtIndex(0),
59            1,
60            "Still records stopped at right breakpoint",
61        )
62