reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
"""
Test calling a function that waits a while, and make sure the timeout option to expr works.
"""

from __future__ import print_function


import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil


class ExprCommandWithTimeoutsTestCase(TestBase):

    mydir = TestBase.compute_mydir(__file__)

    def setUp(self):
        # Call super's setUp().
        TestBase.setUp(self)

        self.main_source = "wait-a-while.cpp"
        self.main_source_spec = lldb.SBFileSpec(self.main_source)

    @expectedFlakeyFreeBSD("llvm.org/pr19605")
    @expectedFailureAll(
        oslist=[
            "windows"],
        bugnumber="llvm.org/pr21765")
    def test(self):
        """Test calling std::String member function."""
        self.build()

        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
            self, 'stop here in main.', self.main_source_spec)

        # First set the timeout too short, and make sure we fail.
        options = lldb.SBExpressionOptions()
        options.SetTimeoutInMicroSeconds(10)
        options.SetUnwindOnError(True)

        frame = thread.GetFrameAtIndex(0)

        value = frame.EvaluateExpression("wait_a_while(1000000)", options)
        self.assertTrue(value.IsValid())
        self.assertFalse(value.GetError().Success())

        # Now do the same thing with the command line command, and make sure it
        # works too.
        interp = self.dbg.GetCommandInterpreter()

        result = lldb.SBCommandReturnObject()
        return_value = interp.HandleCommand(
            "expr -t 100 -u true -- wait_a_while(1000000)", result)
        self.assertTrue(return_value == lldb.eReturnStatusFailed)

        # Okay, now do it again with long enough time outs:

        options.SetTimeoutInMicroSeconds(1000000)
        value = frame.EvaluateExpression("wait_a_while (1000)", options)
        self.assertTrue(value.IsValid())
        self.assertTrue(value.GetError().Success())

        # Now do the same thingwith the command line command, and make sure it
        # works too.
        interp = self.dbg.GetCommandInterpreter()

        result = lldb.SBCommandReturnObject()
        return_value = interp.HandleCommand(
            "expr -t 1000000 -u true -- wait_a_while(1000)", result)
        self.assertTrue(return_value == lldb.eReturnStatusSuccessFinishResult)

        # Finally set the one thread timeout and make sure that doesn't change
        # things much:

        options.SetTimeoutInMicroSeconds(1000000)
        options.SetOneThreadTimeoutInMicroSeconds(500000)
        value = frame.EvaluateExpression("wait_a_while (1000)", options)
        self.assertTrue(value.IsValid())
        self.assertTrue(value.GetError().Success())