1"""
2Test calling a function that waits a while, and make sure the timeout option to expr works.
3"""
4
5
6
7import lldb
8from lldbsuite.test.decorators import *
9from lldbsuite.test.lldbtest import *
10from lldbsuite.test import lldbutil
11
12
13class ExprCommandWithTimeoutsTestCase(TestBase):
14
15    mydir = TestBase.compute_mydir(__file__)
16
17    def setUp(self):
18        # Call super's setUp().
19        TestBase.setUp(self)
20
21        self.main_source = "wait-a-while.cpp"
22        self.main_source_spec = lldb.SBFileSpec(self.main_source)
23
24    @expectedFlakeyFreeBSD("llvm.org/pr19605")
25    @expectedFailureAll(
26        oslist=[
27            "windows"],
28        bugnumber="llvm.org/pr21765")
29    @skipIfReproducer # Timeouts are not currently modeled.
30    def test(self):
31        """Test calling std::String member function."""
32        self.build()
33
34        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
35            self, 'stop here in main.', self.main_source_spec)
36
37        # First set the timeout too short, and make sure we fail.
38        options = lldb.SBExpressionOptions()
39        options.SetTimeoutInMicroSeconds(10)
40        options.SetUnwindOnError(True)
41
42        frame = thread.GetFrameAtIndex(0)
43
44        value = frame.EvaluateExpression("wait_a_while(1000000)", options)
45        self.assertTrue(value.IsValid())
46        self.assertFalse(value.GetError().Success())
47
48        # Now do the same thing with the command line command, and make sure it
49        # works too.
50        interp = self.dbg.GetCommandInterpreter()
51
52        result = lldb.SBCommandReturnObject()
53        return_value = interp.HandleCommand(
54            "expr -t 100 -u true -- wait_a_while(1000000)", result)
55        self.assertEquals(return_value, lldb.eReturnStatusFailed)
56
57        # Okay, now do it again with long enough time outs:
58
59        options.SetTimeoutInMicroSeconds(1000000)
60        value = frame.EvaluateExpression("wait_a_while (1000)", options)
61        self.assertTrue(value.IsValid())
62        self.assertSuccess(value.GetError())
63
64        # Now do the same thingwith the command line command, and make sure it
65        # works too.
66        interp = self.dbg.GetCommandInterpreter()
67
68        result = lldb.SBCommandReturnObject()
69        return_value = interp.HandleCommand(
70            "expr -t 1000000 -u true -- wait_a_while(1000)", result)
71        self.assertEquals(return_value, lldb.eReturnStatusSuccessFinishResult)
72
73        # Finally set the one thread timeout and make sure that doesn't change
74        # things much:
75
76        options.SetTimeoutInMicroSeconds(1000000)
77        options.SetOneThreadTimeoutInMicroSeconds(500000)
78        value = frame.EvaluateExpression("wait_a_while (1000)", options)
79        self.assertTrue(value.IsValid())
80        self.assertSuccess(value.GetError())
81