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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
class ThreadSpecificBreakTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@add_test_categories(['pyapi'])
@expectedFailureAll(oslist=["windows"])
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)
# 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")
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)
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()
# 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.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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