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
7
8import lldb
9import lldbsuite.test.lldbutil as lldbutil
10from lldbsuite.test.lldbtest import *
11from lldbsuite.test.decorators import *
12
13class TestStopReasonAfterExpression(TestBase):
14
15    @skipIfWindows
16    @expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr48415")
17    @expectedFlakeyNetBSD
18    def test_thread_state_after_expr(self):
19        self.build()
20        self.main_source_file = lldb.SBFileSpec("main.cpp")
21        self.do_test()
22
23    def do_test(self):
24        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
25            "Set a breakpoint here", self.main_source_file)
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(thread.GetThreadID(), other_thread.GetThreadID(),
37                            "A different thread")
38        # Run an expression ONLY on other_thread.  Don't let thread run:
39        options = lldb.SBExpressionOptions()
40        options.SetTryAllThreads(False)
41        options.SetStopOthers(True)
42
43        result = thread.frames[0].EvaluateExpression('(int) printf("Hello\\n")', options)
44        self.assertSuccess(result.GetError(), "Expression failed")
45
46        stop_reason = other_thread.GetStopReason()
47
48        self.assertEqual(stop_reason, lldb.eStopReasonBreakpoint,
49                         "Still records stopped at breakpoint: %s"
50                         %(lldbutil.stop_reason_to_str(stop_reason)))
51        self.assertEqual(other_thread.GetStopReasonDataAtIndex(0), 1,
52                         "Still records stopped at right breakpoint")
53
54