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from __future__ import print_function
import use_lldb_suite
import gdbremote_testcase
from lldbsuite.test.lldbtest import *
class TestGdbRemoteThreadsInStopReply(gdbremote_testcase.GdbRemoteTestCaseBase):
mydir = TestBase.compute_mydir(__file__)
ENABLE_THREADS_IN_STOP_REPLY_ENTRIES = [
"read packet: $QListThreadsInStopReply#21",
"send packet: $OK#00",
]
def gather_stop_reply_threads(self, post_startup_log_lines, thread_count):
# Set up the inferior args.
inferior_args=[]
for i in range(thread_count - 1):
inferior_args.append("thread:new")
inferior_args.append("sleep:10")
procs = self.prep_debug_monitor_and_inferior(inferior_args=inferior_args)
# Assumes test_sequence has anything added needed to setup the initial state.
# (Like optionally enabling QThreadsInStopReply.)
if post_startup_log_lines:
self.test_sequence.add_log_lines(post_startup_log_lines, True)
self.test_sequence.add_log_lines([
"read packet: $c#63"
], True)
context = self.expect_gdbremote_sequence()
self.assertIsNotNone(context)
# Give threads time to start up, then break.
time.sleep(1)
self.reset_test_sequence()
self.test_sequence.add_log_lines([
"read packet: {}".format(chr(3)),
{"direction":"send", "regex":r"^\$T([0-9a-fA-F]+)([^#]+)#[0-9a-fA-F]{2}$", "capture":{1:"stop_result", 2:"key_vals_text"} },
], True)
context = self.expect_gdbremote_sequence()
self.assertIsNotNone(context)
# Wait until all threads have started.
threads = self.wait_for_thread_count(thread_count, timeout_seconds=3)
self.assertIsNotNone(threads)
self.assertEqual(len(threads), thread_count)
# Run, then stop the process, grab the stop reply content.
self.reset_test_sequence()
self.test_sequence.add_log_lines([
"read packet: $c#63",
"read packet: {}".format(chr(3)),
{"direction":"send", "regex":r"^\$T([0-9a-fA-F]+)([^#]+)#[0-9a-fA-F]{2}$", "capture":{1:"stop_result", 2:"key_vals_text"} },
], True)
context = self.expect_gdbremote_sequence()
self.assertIsNotNone(context)
# Parse the stop reply contents.
key_vals_text = context.get("key_vals_text")
self.assertIsNotNone(key_vals_text)
kv_dict = self.parse_key_val_dict(key_vals_text)
self.assertIsNotNone(kv_dict)
# Pull out threads from stop response.
stop_reply_threads_text = kv_dict.get("threads")
if stop_reply_threads_text:
return [int(thread_id, 16) for thread_id in stop_reply_threads_text.split(",")]
else:
return []
def QListThreadsInStopReply_supported(self):
procs = self.prep_debug_monitor_and_inferior()
self.test_sequence.add_log_lines(self.ENABLE_THREADS_IN_STOP_REPLY_ENTRIES, True)
context = self.expect_gdbremote_sequence()
self.assertIsNotNone(context)
@debugserver_test
def test_QListThreadsInStopReply_supported_debugserver(self):
self.init_debugserver_test()
self.build()
self.set_inferior_startup_launch()
self.QListThreadsInStopReply_supported()
@llgs_test
def test_QListThreadsInStopReply_supported_llgs(self):
self.init_llgs_test()
self.build()
self.set_inferior_startup_launch()
self.QListThreadsInStopReply_supported()
def stop_reply_reports_multiple_threads(self, thread_count):
# Gather threads from stop notification when QThreadsInStopReply is enabled.
stop_reply_threads = self.gather_stop_reply_threads(self.ENABLE_THREADS_IN_STOP_REPLY_ENTRIES, thread_count)
self.assertEqual(len(stop_reply_threads), thread_count)
@debugserver_test
def test_stop_reply_reports_multiple_threads_debugserver(self):
self.init_debugserver_test()
self.build()
self.set_inferior_startup_launch()
self.stop_reply_reports_multiple_threads(5)
@llgs_test
def test_stop_reply_reports_multiple_threads_llgs(self):
self.init_llgs_test()
self.build()
self.set_inferior_startup_launch()
self.stop_reply_reports_multiple_threads(5)
def no_QListThreadsInStopReply_supplies_no_threads(self, thread_count):
# Gather threads from stop notification when QThreadsInStopReply is not enabled.
stop_reply_threads = self.gather_stop_reply_threads(None, thread_count)
self.assertEqual(len(stop_reply_threads), 0)
@debugserver_test
def test_no_QListThreadsInStopReply_supplies_no_threads_debugserver(self):
self.init_debugserver_test()
self.build()
self.set_inferior_startup_launch()
self.no_QListThreadsInStopReply_supplies_no_threads(5)
@llgs_test
def test_no_QListThreadsInStopReply_supplies_no_threads_llgs(self):
self.init_llgs_test()
self.build()
self.set_inferior_startup_launch()
self.no_QListThreadsInStopReply_supplies_no_threads(5)
def stop_reply_reports_correct_threads(self, thread_count):
# Gather threads from stop notification when QThreadsInStopReply is enabled.
stop_reply_threads = self.gather_stop_reply_threads(self.ENABLE_THREADS_IN_STOP_REPLY_ENTRIES, thread_count)
self.assertEqual(len(stop_reply_threads), thread_count)
# Gather threads from q{f,s}ThreadInfo.
self.reset_test_sequence()
self.add_threadinfo_collection_packets()
context = self.expect_gdbremote_sequence()
self.assertIsNotNone(context)
threads = self.parse_threadinfo_packets(context)
self.assertIsNotNone(threads)
self.assertEqual(len(threads), thread_count)
# Ensure each thread in q{f,s}ThreadInfo appears in stop reply threads
for tid in threads:
self.assertTrue(tid in stop_reply_threads)
@debugserver_test
def test_stop_reply_reports_correct_threads_debugserver(self):
self.init_debugserver_test()
self.build()
self.set_inferior_startup_launch()
self.stop_reply_reports_correct_threads(5)
@llgs_test
def test_stop_reply_reports_correct_threads_llgs(self):
self.init_llgs_test()
self.build()
self.set_inferior_startup_launch()
self.stop_reply_reports_correct_threads(5)
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