141 lines
5.4 KiB
Python
141 lines
5.4 KiB
Python
"""
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Test thread states.
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"""
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import os, time
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import unittest2
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import lldb
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from lldbtest import *
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import lldbutil
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class StopThreadsTestCase(TestBase):
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mydir = os.path.join("functionalities", "thread", "state")
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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@dsym_test
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@expectedFailure("PR-15824") # thread states not properly maintained
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def test_with_dsym(self):
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"""Test thread states."""
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self.buildDsym()
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self.thread_states_test()
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@dwarf_test
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@expectedFailure("PR-15824") # thread states not properly maintained
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def test_with_dwarf(self):
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"""Test thread states."""
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self.buildDwarf()
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self.thread_states_test()
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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 for our breakpoints.
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self.break_1 = line_number('main.c', '// Set first breakpoint here')
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self.break_2 = line_number('main.c', '// Set second breakpoint here')
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def thread_states_test(self):
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"""Test thread states."""
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exe = os.path.join(os.getcwd(), "a.out")
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self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
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# This should create a breakpoint in the main thread.
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lldbutil.run_break_set_by_file_and_line (self, "main.c", self.break_1, num_expected_locations=1)
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lldbutil.run_break_set_by_file_and_line (self, "main.c", self.break_2, num_expected_locations=1)
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# The breakpoint list should show 2 breakpoints with 1 location each.
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self.expect("breakpoint list -f", "Breakpoint location shown correctly",
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substrs = ["1: file ='main.c', line = %d, locations = 1" % self.break_1,
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"2: file ='main.c', line = %d, locations = 1" % self.break_2])
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# Run the program.
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self.runCmd("run", RUN_SUCCEEDED)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs = ['stopped',
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'* thread #1',
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'stop reason = breakpoint'])
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# Get the target process
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target = self.dbg.GetSelectedTarget()
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process = target.GetProcess()
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# Get the number of threads
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num_threads = process.GetNumThreads()
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self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match.')
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# Get the thread object
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thread = process.GetThreadAtIndex(0)
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# Make sure the thread is in the stopped state.
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self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' during breakpoint 1.")
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self.assertFalse(thread.IsSuspended(), "Thread state is \'suspended\' during breakpoint 1.")
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# Continue, the inferior will go into an infinite loop waiting for 'g_test' to change.
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self.dbg.SetAsync(True)
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self.runCmd("continue")
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time.sleep(1)
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# Check the thread state. It should be running.
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self.assertFalse(thread.IsStopped(), "Thread state is \'stopped\' when it should be running.")
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self.assertFalse(thread.IsSuspended(), "Thread state is \'suspended\' when it should be running.")
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# Suspend the thread
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thread.Suspend()
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# Make sure the thread is in the suspended state (which means it is also stopped).
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self.assertTrue(thread.IsSuspended(), "Thread state isn't \'suspended\' during suspend.")
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self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' during suspend.")
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# Resume the thread
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thread.Resume()
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# Check the thread state. It should be running.
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self.assertFalse(thread.IsStopped(), "Thread state is \'stopped\' after thread resume.")
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self.assertFalse(thread.IsSuspended(), "Thread state is \'suspended\' after thread resume.")
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# Go back to synchronous interactions
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self.dbg.SetAsync(False)
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# Stop the process
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self.runCmd("process interrupt")
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# The stop reason of the thread should be signal.
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self.expect("process status", STOPPED_DUE_TO_SIGNAL,
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substrs = ['stopped',
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'* thread #1',
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'stop reason = signal'])
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# Check the thread state
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self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' after process stop.")
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self.assertFalse(thread.IsSuspended(), "Thread state is \'suspended\' after process stop.")
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# Get the inferior out of its loop
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self.runCmd("expression g_test = 1")
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# Check the thread state
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self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' after expression evaluation.")
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self.assertFalse(thread.IsSuspended(), "Thread state is \'suspended\' after expression evaluation.")
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# Run to breakpoint 2
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self.runCmd("continue")
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# Make sure both threads are stopped
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self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' during breakpoint 2.")
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self.assertFalse(thread.IsSuspended(), "Thread state is \'suspended\' during breakpoint 2.")
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# Run to completion
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self.runCmd("continue")
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# At this point, the inferior process should have exited.
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self.assertTrue(process.GetState() == lldb.eStateExited, PROCESS_EXITED)
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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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