forked from OSchip/llvm-project
211 lines
11 KiB
Python
211 lines
11 KiB
Python
"""Test queues inspection SB APIs."""
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import os, time
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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 TestQueues(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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@python_api_test
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@dsym_test
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def test_with_dsym_and_python_api(self):
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"""Test queues inspection SB APIs."""
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self.buildDsym()
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self.queues()
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self.queues_with_libBacktraceRecording()
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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@python_api_test
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@dwarf_test
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def test_with_dwarf_and_python_api(self):
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"""Test queues inspection SB APIs."""
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self.buildDwarf()
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self.queues()
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self.queues_with_libBacktraceRecording()
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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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# Find the line numbers that we will step to in main:
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self.main_source = "main.c"
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def check_queue_for_valid_queue_id(self, queue):
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self.assertTrue(queue.GetQueueID() != 0, "Check queue %s for valid QueueID (got 0x%x)" % (queue.GetName(), queue.GetQueueID()))
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def check_running_and_pending_items_on_queue(self, queue, expected_running, expected_pending):
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self.assertTrue(queue.GetNumPendingItems() == expected_pending, "queue %s should have %d pending items, instead has %d pending items" % (queue.GetName(), expected_pending, (queue.GetNumPendingItems())))
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self.assertTrue(queue.GetNumRunningItems() == expected_running, "queue %s should have %d running items, instead has %d running items" % (queue.GetName(), expected_running, (queue.GetNumRunningItems())))
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def check_number_of_threads_owned_by_queue(self, queue, number_threads):
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self.assertTrue(queue.GetNumThreads() == number_threads, "queue %s should have %d thread executing, but has %d" % (queue.GetName(), number_threads, queue.GetNumThreads()))
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def check_queue_kind (self, queue, kind):
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expected_kind_string = "Unknown"
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if kind == lldb.eQueueKindSerial:
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expected_kind_string = "Serial queue"
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if kind == lldb.eQueueKindConcurrent:
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expected_kind_string = "Concurrent queue"
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actual_kind_string = "Unknown"
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if queue.GetKind() == lldb.eQueueKindSerial:
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actual_kind_string = "Serial queue"
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if queue.GetKind() == lldb.eQueueKindConcurrent:
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actual_kind_string = "Concurrent queue"
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self.assertTrue(queue.GetKind() == kind, "queue %s is expected to be a %s but it is actually a %s" % (queue.GetName(), expected_kind_string, actual_kind_string))
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def check_queues_threads_match_queue(self, queue):
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for idx in range(0, queue.GetNumThreads()):
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t = queue.GetThreadAtIndex(idx)
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self.assertTrue(t.IsValid(), "Queue %s's thread #%d must be valid" % (queue.GetName(), idx))
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self.assertTrue(t.GetQueueID() == queue.GetQueueID(), "Queue %s has a QueueID of %d but its thread #%d has a QueueID of %d" % (queue.GetName(), queue.GetQueueID(), idx, t.GetQueueID()))
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self.assertTrue(t.GetQueueName() == queue.GetName(), "Queue %s has a QueueName of %s but its thread #%d has a QueueName of %s" % (queue.GetName(), queue.GetName(), idx, t.GetQueueName()))
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self.assertTrue(t.GetQueue().GetQueueID() == queue.GetQueueID(), "Thread #%d's Queue's QueueID of %d is not the same as the QueueID of its owning queue %d" % (idx, t.GetQueue().GetQueueID(), queue.GetQueueID()))
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def queues(self):
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"""Test queues inspection SB APIs without libBacktraceRecording."""
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exe = os.path.join(os.getcwd(), "a.out")
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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self.main_source_spec = lldb.SBFileSpec (self.main_source)
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break1 = target.BreakpointCreateByName ("stopper", 'a.out')
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self.assertTrue(break1, VALID_BREAKPOINT)
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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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threads = lldbutil.get_threads_stopped_at_breakpoint (process, break1)
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if len(threads) != 1:
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self.fail ("Failed to stop at breakpoint 1.")
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queue_submittor_1 = lldb.SBQueue()
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queue_performer_1 = lldb.SBQueue()
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queue_performer_2 = lldb.SBQueue()
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queue_performer_3 = lldb.SBQueue()
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for idx in range (0, process.GetNumQueues()):
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q = process.GetQueueAtIndex(idx)
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if q.GetName() == "com.apple.work_submittor_1":
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queue_submittor_1 = q
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if q.GetName() == "com.apple.work_performer_1":
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queue_performer_1 = q
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if q.GetName() == "com.apple.work_performer_2":
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queue_performer_2 = q
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if q.GetName() == "com.apple.work_performer_3":
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queue_performer_3 = q
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self.assertTrue(queue_submittor_1.IsValid() and queue_performer_1.IsValid() and queue_performer_2.IsValid() and queue_performer_3.IsValid(), "Got all four expected queues: %s %s %s %s" % (queue_submittor_1.IsValid(), queue_performer_1.IsValid(), queue_performer_2.IsValid(), queue_performer_3.IsValid()))
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self.check_queue_for_valid_queue_id (queue_submittor_1)
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self.check_queue_for_valid_queue_id (queue_performer_1)
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self.check_queue_for_valid_queue_id (queue_performer_2)
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self.check_queue_for_valid_queue_id (queue_performer_3)
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self.check_number_of_threads_owned_by_queue (queue_submittor_1, 1)
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self.check_number_of_threads_owned_by_queue (queue_performer_1, 1)
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self.check_number_of_threads_owned_by_queue (queue_performer_2, 1)
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self.check_number_of_threads_owned_by_queue (queue_performer_3, 4)
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self.check_queue_kind (queue_submittor_1, lldb.eQueueKindSerial)
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self.check_queue_kind (queue_performer_1, lldb.eQueueKindSerial)
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self.check_queue_kind (queue_performer_2, lldb.eQueueKindSerial)
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self.check_queue_kind (queue_performer_3, lldb.eQueueKindConcurrent)
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self.check_queues_threads_match_queue (queue_submittor_1)
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self.check_queues_threads_match_queue (queue_performer_1)
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self.check_queues_threads_match_queue (queue_performer_2)
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self.check_queues_threads_match_queue (queue_performer_3)
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def queues_with_libBacktraceRecording(self):
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"""Test queues inspection SB APIs with libBacktraceRecording present."""
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exe = os.path.join(os.getcwd(), "a.out")
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if not os.path.isfile('/Applications/Xcode.app/Contents/Developer/usr/lib/libBacktraceRecording.dylib'):
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self.skipTest ("Skipped because libBacktraceRecording.dylib was present on the system.")
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if not os.path.isfile('/usr/lib/system/introspection/libdispatch.dylib'):
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self.skipTest ("Skipped because introspection libdispatch dylib is not present.")
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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self.main_source_spec = lldb.SBFileSpec (self.main_source)
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break1 = target.BreakpointCreateByName ("stopper", 'a.out')
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self.assertTrue(break1, VALID_BREAKPOINT)
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# Now launch the process, and do not stop at entry point.
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process = target.LaunchSimple (None, ['DYLD_INSERT_LIBRARIES=/Applications/Xcode.app/Contents/Developer/usr/lib/libBacktraceRecording.dylib', 'DYLD_LIBRARY_PATH=/usr/lib/system/introspection'], self.get_process_working_directory())
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self.assertTrue(process, PROCESS_IS_VALID)
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# The stop reason of the thread should be breakpoint.
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threads = lldbutil.get_threads_stopped_at_breakpoint (process, break1)
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if len(threads) != 1:
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self.fail ("Failed to stop at breakpoint 1.")
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libbtr_module_filespec = lldb.SBFileSpec("libBacktraceRecording.dylib")
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libbtr_module = target.FindModule (libbtr_module_filespec)
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if not libbtr_module.IsValid():
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self.skipTest ("Skipped because libBacktraceRecording.dylib was not loaded into the process.")
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self.assertTrue(process.GetNumQueues() >= 4, "Found the correct number of queues.")
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queue_submittor_1 = lldb.SBQueue()
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queue_performer_1 = lldb.SBQueue()
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queue_performer_2 = lldb.SBQueue()
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queue_performer_3 = lldb.SBQueue()
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for idx in range (0, process.GetNumQueues()):
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q = process.GetQueueAtIndex(idx)
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if q.GetName() == "com.apple.work_submittor_1":
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queue_submittor_1 = q
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if q.GetName() == "com.apple.work_performer_1":
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queue_performer_1 = q
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if q.GetName() == "com.apple.work_performer_2":
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queue_performer_2 = q
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if q.GetName() == "com.apple.work_performer_3":
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queue_performer_3 = q
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self.assertTrue(queue_submittor_1.IsValid() and queue_performer_1.IsValid() and queue_performer_2.IsValid() and queue_performer_3.IsValid(), "Got all four expected queues: %s %s %s %s" % (queue_submittor_1.IsValid(), queue_performer_1.IsValid(), queue_performer_2.IsValid(), queue_performer_3.IsValid()))
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self.check_queue_for_valid_queue_id (queue_submittor_1)
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self.check_queue_for_valid_queue_id (queue_performer_1)
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self.check_queue_for_valid_queue_id (queue_performer_2)
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self.check_queue_for_valid_queue_id (queue_performer_3)
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self.check_running_and_pending_items_on_queue (queue_submittor_1, 1, 0)
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self.check_running_and_pending_items_on_queue (queue_performer_1, 1, 3)
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self.check_running_and_pending_items_on_queue (queue_performer_2, 1, 9999)
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self.check_running_and_pending_items_on_queue (queue_performer_3, 4, 0)
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self.check_number_of_threads_owned_by_queue (queue_submittor_1, 1)
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self.check_number_of_threads_owned_by_queue (queue_performer_1, 1)
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self.check_number_of_threads_owned_by_queue (queue_performer_2, 1)
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self.check_number_of_threads_owned_by_queue (queue_performer_3, 4)
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self.check_queue_kind (queue_submittor_1, lldb.eQueueKindSerial)
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self.check_queue_kind (queue_performer_1, lldb.eQueueKindSerial)
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self.check_queue_kind (queue_performer_2, lldb.eQueueKindSerial)
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self.check_queue_kind (queue_performer_3, lldb.eQueueKindConcurrent)
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self.check_queues_threads_match_queue (queue_submittor_1)
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self.check_queues_threads_match_queue (queue_performer_1)
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self.check_queues_threads_match_queue (queue_performer_2)
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self.check_queues_threads_match_queue (queue_performer_3)
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self.assertTrue(queue_performer_2.GetPendingItemAtIndex(0).IsValid(), "queue 2's pending item #0 is valid")
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self.assertTrue(queue_performer_2.GetPendingItemAtIndex(0).GetAddress().GetSymbol().GetName() == "doing_the_work_2", "queue 2's pending item #0 should be doing_the_work_2")
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self.assertTrue(queue_performer_2.GetNumPendingItems() == 9999, "verify that queue 2 still has 9999 pending items")
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self.assertTrue(queue_performer_2.GetPendingItemAtIndex(9998).IsValid(), "queue 2's pending item #9998 is valid")
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self.assertTrue(queue_performer_2.GetPendingItemAtIndex(9998).GetAddress().GetSymbol().GetName() == "doing_the_work_2", "queue 2's pending item #0 should be doing_the_work_2")
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self.assertTrue(queue_performer_2.GetPendingItemAtIndex(9999).IsValid() == False, "queue 2's pending item #9999 is invalid")
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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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