xref: /llvm-project/lldb/test/API/commands/expression/timeout/TestCallWithTimeout.py (revision 80fcecb13c388ff087a27a4b0e7ca3dd8c98eaa4) 
1"""
2Test calling a function that waits a while, and make sure the timeout option to expr works.
3"""
4
5
6import lldb
7from lldbsuite.test.decorators import *
8from lldbsuite.test.lldbtest import *
9from lldbsuite.test import lldbutil
10
11
12class ExprCommandWithTimeoutsTestCase(TestBase):
13    def setUp(self):
14        # Call super's setUp().
15        TestBase.setUp(self)
16
17        self.main_source = "wait-a-while.cpp"
18        self.main_source_spec = lldb.SBFileSpec(self.main_source)
19
20    @expectedFlakeyFreeBSD("llvm.org/pr19605")
21    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765")
22    def test(self):
23        """Test calling std::String member function."""
24        self.build()
25
26        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
27            self, "stop here in main.", self.main_source_spec
28        )
29
30        # First set the timeout too short, and make sure we fail.
31        options = lldb.SBExpressionOptions()
32        options.SetTimeoutInMicroSeconds(10)
33        options.SetUnwindOnError(True)
34
35        frame = thread.GetFrameAtIndex(0)
36
37        value = frame.EvaluateExpression("wait_a_while(1000000)", options)
38        self.assertTrue(value.IsValid())
39        self.assertFalse(value.GetError().Success())
40
41        # Now do the same thing with the command line command, and make sure it
42        # works too.
43        interp = self.dbg.GetCommandInterpreter()
44
45        result = lldb.SBCommandReturnObject()
46        return_value = interp.HandleCommand(
47            "expr -t 100 -u true -- wait_a_while(1000000)", result
48        )
49        self.assertEqual(return_value, lldb.eReturnStatusFailed)
50
51        # Okay, now do it again with long enough time outs:
52
53        options.SetTimeoutInMicroSeconds(1000000)
54        value = frame.EvaluateExpression("wait_a_while (1000)", options)
55        self.assertTrue(value.IsValid())
56        self.assertSuccess(value.GetError())
57
58        # Now do the same thingwith the command line command, and make sure it
59        # works too.
60        interp = self.dbg.GetCommandInterpreter()
61
62        result = lldb.SBCommandReturnObject()
63        return_value = interp.HandleCommand(
64            "expr -t 1000000 -u true -- wait_a_while(1000)", result
65        )
66        self.assertEqual(return_value, lldb.eReturnStatusSuccessFinishResult)
67
68        # Finally set the one thread timeout and make sure that doesn't change
69        # things much:
70
71        options.SetTimeoutInMicroSeconds(1000000)
72        options.SetOneThreadTimeoutInMicroSeconds(500000)
73        value = frame.EvaluateExpression("wait_a_while (1000)", options)
74        self.assertTrue(value.IsValid())
75        self.assertSuccess(value.GetError())
76