diff options
Diffstat (limited to 'lldb/packages/Python/lldbsuite/test')
5 files changed, 143 insertions, 53 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break/TestThreadSpecificBreakpoint.py b/lldb/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break/TestThreadSpecificBreakpoint.py index e02394f075a..3c69b6667f7 100644 --- a/lldb/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break/TestThreadSpecificBreakpoint.py +++ b/lldb/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break/TestThreadSpecificBreakpoint.py @@ -16,49 +16,48 @@ class ThreadSpecificBreakTestCase(TestBase): mydir = TestBase.compute_mydir(__file__) - @skipIfFreeBSD # test frequently times out or hangs - @expectedFailureFreeBSD('llvm.org/pr18522') # hits break in another thread in testrun @add_test_categories(['pyapi']) - @expectedFlakeyLinux # this test fails 6/100 dosep runs + @expectedFailureWindows # Thread specific breakpoints cause the inferior to crash def test_python(self): """Test that we obey thread conditioned breakpoints.""" self.build() exe = os.path.join(os.getcwd(), "a.out") - self.dbg.HandleCommand ("log enable -f /tmp/lldb-testsuite-log.txt lldb step breakpoint process") target = self.dbg.CreateTarget(exe) self.assertTrue(target, VALID_TARGET) + # This test works by setting a breakpoint in a function conditioned to stop only on + # the main thread, and then calling this function on a secondary thread, joining, + # and then calling again on the main thread. If the thread specific breakpoint works + # then it should not be hit on the secondary thread, only on the main thread. + main_source_spec = lldb.SBFileSpec ("main.cpp") - # Set a breakpoint in the thread body, and make it active for only the first thread. - break_thread_body = target.BreakpointCreateBySourceRegex ("Break here in thread body.", main_source_spec) - self.assertTrue (break_thread_body.IsValid() and break_thread_body.GetNumLocations() > 0, "Failed to set thread body breakpoint.") + main_breakpoint = target.BreakpointCreateBySourceRegex("Set main breakpoint here", main_source_spec); + thread_breakpoint = target.BreakpointCreateBySourceRegex("Set thread-specific breakpoint here", main_source_spec) + + self.assertTrue(main_breakpoint.IsValid(), "Failed to set main breakpoint.") + self.assertGreater(main_breakpoint.GetNumLocations(), 0, "main breakpoint has no locations associated with it.") + self.assertTrue(thread_breakpoint.IsValid(), "Failed to set thread breakpoint.") + self.assertGreater(thread_breakpoint.GetNumLocations(), 0, "thread breakpoint has no locations associated with it.") process = target.LaunchSimple (None, None, self.get_process_working_directory()) self.assertTrue(process, PROCESS_IS_VALID) - threads = lldbutil.get_threads_stopped_at_breakpoint (process, break_thread_body) - - victim_thread = threads[0] - - # Pick one of the threads, and change the breakpoint so it ONLY stops for this thread, - # but add a condition that it won't stop for this thread's my_value. The other threads - # pass the condition, so they should stop, but if the thread-specification is working - # they should not stop. So nobody should hit the breakpoint anymore, and we should - # just exit cleanly. + stopped_threads = lldbutil.get_threads_stopped_at_breakpoint(process, main_breakpoint) + self.assertEqual(len(stopped_threads), 1, "main breakpoint stopped at unexpected number of threads") + main_thread = stopped_threads[0] + main_thread_id = main_thread.GetThreadID() - frame = victim_thread.GetFrameAtIndex(0) - value = frame.FindVariable("my_value").GetValueAsSigned(0) - self.assertTrue (value > 0 and value < 11, "Got a reasonable value for my_value.") - - cond_string = "my_value != %d"%(value) - - break_thread_body.SetThreadID(victim_thread.GetThreadID()) - break_thread_body.SetCondition (cond_string) + # Set the thread-specific breakpoint to only stop on the main thread. The run the function + # on another thread and join on it. If the thread-specific breakpoint works, the next + # stop should be on the main thread. + thread_breakpoint.SetThreadID(main_thread_id) process.Continue() - next_stop_state = process.GetState() - self.assertTrue (next_stop_state == lldb.eStateExited, "We should have not hit the breakpoint again.") + self.assertEqual(next_stop_state, lldb.eStateStopped, "We should have stopped at the thread breakpoint.") + stopped_threads = lldbutil.get_threads_stopped_at_breakpoint(process, thread_breakpoint) + self.assertEqual(len(stopped_threads), 1, "thread breakpoint stopped at unexpected number of threads") + self.assertEqual(stopped_threads[0].GetThreadID(), main_thread_id, "thread breakpoint stopped at the wrong thread") diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break/main.cpp b/lldb/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break/main.cpp index af8ab84157f..7721b5d8432 100644 --- a/lldb/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break/main.cpp +++ b/lldb/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break/main.cpp @@ -1,39 +1,20 @@ #include <chrono> #include <thread> -#include <vector> -void * -thread_function (void *thread_marker) +void +thread_function () { - int keep_going = 1; - int my_value = *((int *)thread_marker); - int counter = 0; - - while (counter < 20) - { - counter++; // Break here in thread body. - std::this_thread::sleep_for(std::chrono::microseconds(10)); - } - return NULL; + // Set thread-specific breakpoint here. + std::this_thread::sleep_for(std::chrono::microseconds(100)); } - int main () { - std::vector<std::thread> threads; - - int thread_value = 0; - int i; - - for (i = 0; i < 10; i++) - { - thread_value += 1; - threads.push_back(std::thread(thread_function, &thread_value)); - } - - for (i = 0; i < 10; i++) - threads[i].join(); + // Set main breakpoint here. + std::thread t(thread_function); + t.join(); + thread_function(); return 0; } diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break_plus_condition/Makefile b/lldb/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break_plus_condition/Makefile new file mode 100644 index 00000000000..035413ff763 --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break_plus_condition/Makefile @@ -0,0 +1,6 @@ +LEVEL = ../../../make + +CXX_SOURCES := main.cpp +ENABLE_THREADS := YES + +include $(LEVEL)/Makefile.rules diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break_plus_condition/TestThreadSpecificBpPlusCondition.py b/lldb/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break_plus_condition/TestThreadSpecificBpPlusCondition.py new file mode 100644 index 00000000000..b4a0b7a5dd4 --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break_plus_condition/TestThreadSpecificBpPlusCondition.py @@ -0,0 +1,65 @@ +""" +Test that we obey thread conditioned breakpoints and expression +conditioned breakpoints simultaneously +""" + +from __future__ import print_function + + + +import os, time +import re +import lldb +import lldbsuite.test.lldbutil as lldbutil +from lldbsuite.test.lldbtest import * + +class ThreadSpecificBreakPlusConditionTestCase(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + @skipIfFreeBSD # test frequently times out or hangs + @expectedFailureFreeBSD('llvm.org/pr18522') # hits break in another thread in testrun + @add_test_categories(['pyapi']) + @expectedFailureWindows # Thread specific breakpoints cause the inferior to crash. + @expectedFlakeyLinux # this test fails 6/100 dosep runs + def test_python(self): + """Test that we obey thread conditioned breakpoints.""" + self.build() + exe = os.path.join(os.getcwd(), "a.out") + + target = self.dbg.CreateTarget(exe) + self.assertTrue(target, VALID_TARGET) + + main_source_spec = lldb.SBFileSpec ("main.cpp") + + # Set a breakpoint in the thread body, and make it active for only the first thread. + break_thread_body = target.BreakpointCreateBySourceRegex ("Break here in thread body.", main_source_spec) + self.assertTrue (break_thread_body.IsValid() and break_thread_body.GetNumLocations() > 0, "Failed to set thread body breakpoint.") + + process = target.LaunchSimple (None, None, self.get_process_working_directory()) + + self.assertTrue(process, PROCESS_IS_VALID) + + threads = lldbutil.get_threads_stopped_at_breakpoint (process, break_thread_body) + + victim_thread = threads[0] + + # Pick one of the threads, and change the breakpoint so it ONLY stops for this thread, + # but add a condition that it won't stop for this thread's my_value. The other threads + # pass the condition, so they should stop, but if the thread-specification is working + # they should not stop. So nobody should hit the breakpoint anymore, and we should + # just exit cleanly. + + frame = victim_thread.GetFrameAtIndex(0) + value = frame.FindVariable("my_value").GetValueAsSigned(0) + self.assertTrue (value > 0 and value < 11, "Got a reasonable value for my_value.") + + cond_string = "my_value != %d"%(value) + + break_thread_body.SetThreadID(victim_thread.GetThreadID()) + break_thread_body.SetCondition (cond_string) + + process.Continue() + + next_stop_state = process.GetState() + self.assertTrue (next_stop_state == lldb.eStateExited, "We should have not hit the breakpoint again.") diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break_plus_condition/main.cpp b/lldb/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break_plus_condition/main.cpp new file mode 100644 index 00000000000..af8ab84157f --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break_plus_condition/main.cpp @@ -0,0 +1,39 @@ +#include <chrono> +#include <thread> +#include <vector> + +void * +thread_function (void *thread_marker) +{ + int keep_going = 1; + int my_value = *((int *)thread_marker); + int counter = 0; + + while (counter < 20) + { + counter++; // Break here in thread body. + std::this_thread::sleep_for(std::chrono::microseconds(10)); + } + return NULL; +} + + +int +main () +{ + std::vector<std::thread> threads; + + int thread_value = 0; + int i; + + for (i = 0; i < 10; i++) + { + thread_value += 1; + threads.push_back(std::thread(thread_function, &thread_value)); + } + + for (i = 0; i < 10; i++) + threads[i].join(); + + return 0; +} |
