forked from OSchip/llvm-project
108 lines
3.8 KiB
Python
108 lines
3.8 KiB
Python
"""
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Test calling a function that waits a while, and make sure the timeout option to expr works.
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"""
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import unittest2
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import lldb
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import lldbutil
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from lldbtest import *
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class ExprCommandWithTimeoutsTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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self.main_source = "wait-a-while.cpp"
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self.main_source_spec = lldb.SBFileSpec (self.main_source)
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@skipUnlessDarwin
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@dsym_test
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@expectedFailureDarwin # failed 1/134 runs, line 83, value.IsValid()
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def test_with_dsym(self):
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"""Test calling std::String member function."""
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self.buildDsym()
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self.call_function()
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@expectedFailureFreeBSD("llvm.org/pr19605") # fails on buildbot
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@expectedFlakeyLinux("llvm.org/pr20275")
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@dwarf_test
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def test_with_dwarf(self):
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"""Test calling std::String member function."""
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self.buildDwarf()
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self.call_function()
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def call_function(self):
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"""Test calling function with timeout."""
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exe_name = "a.out"
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exe = os.path.join(os.getcwd(), exe_name)
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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breakpoint = target.BreakpointCreateBySourceRegex('stop here in main.',self.main_source_spec)
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self.assertTrue(breakpoint, VALID_BREAKPOINT)
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self.runCmd("breakpoint list")
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# Launch the process, and do not stop at the entry point.
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process = target.LaunchSimple (None, None, self.get_process_working_directory())
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self.assertTrue(process, PROCESS_IS_VALID)
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# Frame #0 should be on self.step_out_of_malloc.
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threads = lldbutil.get_threads_stopped_at_breakpoint (process, breakpoint)
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self.assertTrue(len(threads) == 1)
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thread = threads[0]
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# First set the timeout too short, and make sure we fail.
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options = lldb.SBExpressionOptions()
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options.SetTimeoutInMicroSeconds(10)
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options.SetUnwindOnError(True)
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frame = thread.GetFrameAtIndex(0)
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value = frame.EvaluateExpression ("wait_a_while (50000)", options)
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self.assertTrue (value.IsValid())
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self.assertFalse (value.GetError().Success())
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# Now do the same thing with the command line command, and make sure it works too.
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interp = self.dbg.GetCommandInterpreter()
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result = lldb.SBCommandReturnObject()
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return_value = interp.HandleCommand ("expr -t 100 -u true -- wait_a_while(50000)", result)
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self.assertTrue (return_value == lldb.eReturnStatusFailed)
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# Okay, now do it again with long enough time outs:
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options.SetTimeoutInMicroSeconds(1000000)
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value = frame.EvaluateExpression ("wait_a_while (1000)", options)
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self.assertTrue(value.IsValid())
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self.assertTrue (value.GetError().Success() == True)
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# Now do the same thingwith the command line command, and make sure it works too.
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interp = self.dbg.GetCommandInterpreter()
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result = lldb.SBCommandReturnObject()
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return_value = interp.HandleCommand ("expr -t 1000000 -u true -- wait_a_while(1000)", result)
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self.assertTrue(return_value == lldb.eReturnStatusSuccessFinishResult)
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# Finally set the one thread timeout and make sure that doesn't change things much:
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options.SetTimeoutInMicroSeconds(1000000)
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options.SetOneThreadTimeoutInMicroSeconds(500000)
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value = frame.EvaluateExpression ("wait_a_while (1000)", options)
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self.assertTrue(value.IsValid())
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self.assertTrue (value.GetError().Success() == True)
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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