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"""
Test that we obey thread conditioned breakpoints.
"""
from __future__ import print_function
import os
import time
import re
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
def set_thread_id(thread, breakpoint):
id = thread.id
breakpoint.SetThreadID(id)
def set_thread_name(thread, breakpoint):
breakpoint.SetThreadName("main-thread")
class ThreadSpecificBreakTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
NO_DEBUG_INFO_TESTCASE = True
@add_test_categories(['pyapi'])
@expectedFailureAll(oslist=["windows"])
@expectedFailureAll(oslist=['ios', 'watchos', 'tvos', 'bridgeos'], archs=['armv7', 'armv7k'], bugnumber='rdar://problem/34563920') # armv7 ios problem - breakpoint with tid qualifier isn't working
def test_thread_id(self):
self.do_test(set_thread_id)
@skipUnlessDarwin
@expectedFailureAll(oslist=['ios', 'watchos', 'tvos', 'bridgeos'], archs=['armv7', 'armv7k'], bugnumber='rdar://problem/34563920') # armv7 ios problem - breakpoint with tid qualifier isn't working
def test_thread_name(self):
self.do_test(set_thread_name)
def do_test(self, setter_method):
"""Test that we obey thread conditioned breakpoints."""
self.build()
main_source_spec = lldb.SBFileSpec("main.cpp")
(target, process, main_thread, main_breakpoint) = lldbutil.run_to_source_breakpoint(self,
"Set main breakpoint here", main_source_spec)
main_thread_id = main_thread.GetThreadID()
# 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.
thread_breakpoint = target.BreakpointCreateBySourceRegex(
"Set thread-specific breakpoint here", main_source_spec)
self.assertGreater(
thread_breakpoint.GetNumLocations(),
0,
"thread breakpoint has no locations associated with it.")
# 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.
main_thread_id = main_thread.GetThreadID()
setter_method(main_thread, thread_breakpoint)
process.Continue()
next_stop_state = process.GetState()
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")
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