[Lldb-commits] [lldb] r180149 - Adding basic test for thread state (See PR-15824)
Andrew Kaylor
andrew.kaylor at intel.com
Tue Apr 23 14:42:03 PDT 2013
Author: akaylor
Date: Tue Apr 23 16:42:03 2013
New Revision: 180149
URL: http://llvm.org/viewvc/llvm-project?rev=180149&view=rev
Log:
Adding basic test for thread state (See PR-15824)
Added:
lldb/trunk/test/functionalities/thread/state/
lldb/trunk/test/functionalities/thread/state/Makefile
lldb/trunk/test/functionalities/thread/state/TestThreadStates.py
lldb/trunk/test/functionalities/thread/state/main.c
Added: lldb/trunk/test/functionalities/thread/state/Makefile
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/functionalities/thread/state/Makefile?rev=180149&view=auto
==============================================================================
--- lldb/trunk/test/functionalities/thread/state/Makefile (added)
+++ lldb/trunk/test/functionalities/thread/state/Makefile Tue Apr 23 16:42:03 2013
@@ -0,0 +1,5 @@
+LEVEL = ../../../make
+
+C_SOURCES := main.c
+LD_EXTRAS := -lpthread
+include $(LEVEL)/Makefile.rules
Added: lldb/trunk/test/functionalities/thread/state/TestThreadStates.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/functionalities/thread/state/TestThreadStates.py?rev=180149&view=auto
==============================================================================
--- lldb/trunk/test/functionalities/thread/state/TestThreadStates.py (added)
+++ lldb/trunk/test/functionalities/thread/state/TestThreadStates.py Tue Apr 23 16:42:03 2013
@@ -0,0 +1,140 @@
+"""
+Test thread states.
+"""
+
+import os, time
+import unittest2
+import lldb
+from lldbtest import *
+import lldbutil
+
+class StopThreadsTestCase(TestBase):
+
+ mydir = os.path.join("functionalities", "thread", "state")
+
+ @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
+ @dsym_test
+ @expectedFailure("PR-15824") # thread states not properly maintained
+ def test_with_dsym(self):
+ """Test thread states."""
+ self.buildDsym()
+ self.thread_states_test()
+
+ @dwarf_test
+ @expectedFailure("PR-15824") # thread states not properly maintained
+ def test_with_dwarf(self):
+ """Test thread states."""
+ self.buildDwarf()
+ self.thread_states_test()
+
+ def setUp(self):
+ # Call super's setUp().
+ TestBase.setUp(self)
+ # Find the line numbers for our breakpoints.
+ self.break_1 = line_number('main.c', '// Set first breakpoint here')
+ self.break_2 = line_number('main.c', '// Set second breakpoint here')
+
+ def thread_states_test(self):
+ """Test thread states."""
+ exe = os.path.join(os.getcwd(), "a.out")
+ self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+ # This should create a breakpoint in the main thread.
+ lldbutil.run_break_set_by_file_and_line (self, "main.c", self.break_1, num_expected_locations=1)
+ lldbutil.run_break_set_by_file_and_line (self, "main.c", self.break_2, num_expected_locations=1)
+
+ # The breakpoint list should show 2 breakpoints with 1 location each.
+ self.expect("breakpoint list -f", "Breakpoint location shown correctly",
+ substrs = ["1: file ='main.c', line = %d, locations = 1" % self.break_1,
+ "2: file ='main.c', line = %d, locations = 1" % self.break_2])
+
+ # Run the program.
+ self.runCmd("run", RUN_SUCCEEDED)
+
+ # The stop reason of the thread should be breakpoint.
+ self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+ substrs = ['stopped',
+ '* thread #1',
+ 'stop reason = breakpoint'])
+
+ # Get the target process
+ target = self.dbg.GetSelectedTarget()
+ process = target.GetProcess()
+
+ # Get the number of threads
+ num_threads = process.GetNumThreads()
+
+ self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match.')
+
+ # Get the thread object
+ thread = process.GetThreadAtIndex(0)
+
+ # Make sure the thread is in the stopped state.
+ self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' during breakpoint 1.")
+ self.assertFalse(thread.IsSuspended(), "Thread state is \'suspended\' during breakpoint 1.")
+
+ # Continue, the inferior will go into an infinite loop waiting for 'g_test' to change.
+ self.dbg.SetAsync(True)
+ self.runCmd("continue")
+ time.sleep(1)
+
+ # Check the thread state. It should be running.
+ self.assertFalse(thread.IsStopped(), "Thread state is \'stopped\' when it should be running.")
+ self.assertFalse(thread.IsSuspended(), "Thread state is \'suspended\' when it should be running.")
+
+ # Suspend the thread
+ thread.Suspend()
+
+ # Make sure the thread is in the suspended state (which means it is also stopped).
+ self.assertTrue(thread.IsSuspended(), "Thread state isn't \'suspended\' during suspend.")
+ self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' during suspend.")
+
+ # Resume the thread
+ thread.Resume()
+
+ # Check the thread state. It should be running.
+ self.assertFalse(thread.IsStopped(), "Thread state is \'stopped\' after thread resume.")
+ self.assertFalse(thread.IsSuspended(), "Thread state is \'suspended\' after thread resume.")
+
+ # Go back to synchronous interactions
+ self.dbg.SetAsync(False)
+
+ # Stop the process
+ self.runCmd("process interrupt")
+
+ # The stop reason of the thread should be signal.
+ self.expect("process status", STOPPED_DUE_TO_SIGNAL,
+ substrs = ['stopped',
+ '* thread #1',
+ 'stop reason = signal'])
+
+
+ # Check the thread state
+ self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' after process stop.")
+ self.assertFalse(thread.IsSuspended(), "Thread state is \'suspended\' after process stop.")
+
+ # Get the inferior out of its loop
+ self.runCmd("expression g_test = 1")
+
+ # Check the thread state
+ self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' after expression evaluation.")
+ self.assertFalse(thread.IsSuspended(), "Thread state is \'suspended\' after expression evaluation.")
+
+ # Run to breakpoint 2
+ self.runCmd("continue")
+
+ # Make sure both threads are stopped
+ self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' during breakpoint 2.")
+ self.assertFalse(thread.IsSuspended(), "Thread state is \'suspended\' during breakpoint 2.")
+
+ # Run to completion
+ self.runCmd("continue")
+
+ # At this point, the inferior process should have exited.
+ self.assertTrue(process.GetState() == lldb.eStateExited, PROCESS_EXITED)
+
+if __name__ == '__main__':
+ import atexit
+ lldb.SBDebugger.Initialize()
+ atexit.register(lambda: lldb.SBDebugger.Terminate())
+ unittest2.main()
Added: lldb/trunk/test/functionalities/thread/state/main.c
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/functionalities/thread/state/main.c?rev=180149&view=auto
==============================================================================
--- lldb/trunk/test/functionalities/thread/state/main.c (added)
+++ lldb/trunk/test/functionalities/thread/state/main.c Tue Apr 23 16:42:03 2013
@@ -0,0 +1,41 @@
+//===-- main.cpp ------------------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// This test is intended to verify that thread states are properly maintained
+// when transitional actions are performed in the debugger. Most of the logic
+// is in the test script. This program merely provides places where the test
+// can create the intended states.
+
+#include <unistd.h>
+
+volatile int g_test = 0;
+
+int addSomething(int a)
+{
+ return a + g_test;
+}
+
+int doNothing()
+{
+ int temp = 0; // Set first breakpoint here
+
+ while (!g_test)
+ ++temp;
+
+ return temp; // Set second breakpoint here
+}
+
+int main ()
+{
+ int result = doNothing();
+
+ int i = addSomething(result);
+
+ return 0;
+}
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