c30c2368c7
The reproducer don't model timeouts so tests that rely on them end up with unexpected packets during replay. Skip them until we can handle this scenario.
59 lines
2.0 KiB
Python
59 lines
2.0 KiB
Python
"""
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Test that expr will time out and allow other threads to run if it blocks.
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"""
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from __future__ import print_function
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class ExprDoesntDeadlockTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@expectedFailureAll(oslist=['freebsd'], bugnumber='llvm.org/pr17946')
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@add_test_categories(["basic_process"])
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@skipIfReproducer # Timeouts are not currently modeled.
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def test_with_run_command(self):
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"""Test that expr will time out and allow other threads to run if it blocks."""
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self.build()
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exe = self.getBuildArtifact("a.out")
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# Create a target by the debugger.
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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# Now create a breakpoint at source line before call_me_to_get_lock
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# gets called.
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main_file_spec = lldb.SBFileSpec("locking.cpp")
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breakpoint = target.BreakpointCreateBySourceRegex(
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'Break here', main_file_spec)
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if self.TraceOn():
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print("breakpoint:", breakpoint)
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self.assertTrue(breakpoint and
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breakpoint.GetNumLocations() == 1,
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VALID_BREAKPOINT)
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# Now launch the process, and do not stop at entry point.
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process = target.LaunchSimple(
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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.line1 and the break condition should hold.
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from lldbsuite.test.lldbutil import get_stopped_thread
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thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint)
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self.assertTrue(
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thread.IsValid(),
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"There should be a thread stopped due to breakpoint condition")
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frame0 = thread.GetFrameAtIndex(0)
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var = frame0.EvaluateExpression("call_me_to_get_lock(get_int())")
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self.assertTrue(var.IsValid())
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self.assertEqual(var.GetValueAsSigned(0), 567)
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