xref: /llvm-project/lldb/test/API/commands/expression/timeout/TestCallWithTimeout.py (revision 4cc8f2a017c76af25234afc7c380550e9c93135c) 
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    def setUp(self):
16        # Call super's setUp().
17        TestBase.setUp(self)
18
19        self.main_source = "wait-a-while.cpp"
20        self.main_source_spec = lldb.SBFileSpec(self.main_source)
21
22    @expectedFlakeyFreeBSD("llvm.org/pr19605")
23    @expectedFailureAll(
24        oslist=[
25            "windows"],
26        bugnumber="llvm.org/pr21765")
27    def test(self):
28        """Test calling std::String member function."""
29        self.build()
30
31        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
32            self, 'stop here in main.', self.main_source_spec)
33
34        # First set the timeout too short, and make sure we fail.
35        options = lldb.SBExpressionOptions()
36        options.SetTimeoutInMicroSeconds(10)
37        options.SetUnwindOnError(True)
38
39        frame = thread.GetFrameAtIndex(0)
40
41        value = frame.EvaluateExpression("wait_a_while(1000000)", options)
42        self.assertTrue(value.IsValid())
43        self.assertFalse(value.GetError().Success())
44
45        # Now do the same thing with the command line command, and make sure it
46        # works too.
47        interp = self.dbg.GetCommandInterpreter()
48
49        result = lldb.SBCommandReturnObject()
50        return_value = interp.HandleCommand(
51            "expr -t 100 -u true -- wait_a_while(1000000)", result)
52        self.assertEquals(return_value, lldb.eReturnStatusFailed)
53
54        # Okay, now do it again with long enough time outs:
55
56        options.SetTimeoutInMicroSeconds(1000000)
57        value = frame.EvaluateExpression("wait_a_while (1000)", options)
58        self.assertTrue(value.IsValid())
59        self.assertSuccess(value.GetError())
60
61        # Now do the same thingwith the command line command, and make sure it
62        # works too.
63        interp = self.dbg.GetCommandInterpreter()
64
65        result = lldb.SBCommandReturnObject()
66        return_value = interp.HandleCommand(
67            "expr -t 1000000 -u true -- wait_a_while(1000)", result)
68        self.assertEquals(return_value, lldb.eReturnStatusSuccessFinishResult)
69
70        # Finally set the one thread timeout and make sure that doesn't change
71        # things much:
72
73        options.SetTimeoutInMicroSeconds(1000000)
74        options.SetOneThreadTimeoutInMicroSeconds(500000)
75        value = frame.EvaluateExpression("wait_a_while (1000)", options)
76        self.assertTrue(value.IsValid())
77        self.assertSuccess(value.GetError())
78