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"""
Test calling a function that waits a while, and make sure the timeout option to expr works.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class ExprCommandWithTimeoutsTestCase(TestBase):
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
)
short_time = 5000
long_time = short_time * 1000
# First set the timeout too short, and make sure we fail.
options = lldb.SBExpressionOptions()
options.SetTimeoutInMicroSeconds(short_time)
options.SetUnwindOnError(True)
frame = thread.GetFrameAtIndex(0)
value = frame.EvaluateExpression(f"wait_a_while({long_time})", 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(
f"expr -t {short_time} -u true -- wait_a_while({long_time})", result
)
self.assertEqual(return_value, lldb.eReturnStatusFailed)
# Okay, now do it again with long enough time outs:
options.SetTimeoutInMicroSeconds(long_time)
value = frame.EvaluateExpression(f"wait_a_while({short_time})", options)
self.assertTrue(value.IsValid())
self.assertSuccess(value.GetError())
# 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(
f"expr -t {long_time} -u true -- wait_a_while({short_time})", result
)
self.assertEqual(return_value, lldb.eReturnStatusSuccessFinishResult)
# Finally set the one thread timeout and make sure that doesn't change
# things much:
options.SetTimeoutInMicroSeconds(long_time)
options.SetOneThreadTimeoutInMicroSeconds(1000000)
value = frame.EvaluateExpression(f"wait_a_while({short_time})", options)
self.assertTrue(value.IsValid())
self.assertSuccess(value.GetError())
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