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"""
Test number of threads.
"""
from __future__ import print_function
import os
import time
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class ExitDuringBreakpointTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number for our breakpoint.
self.breakpoint = line_number('main.cpp', '// Set breakpoint here')
@expectedFailureAll(
oslist=["linux"],
bugnumber="llvm.org/pr15824 thread states not properly maintained")
@expectedFailureAll(
oslist=["freebsd"],
bugnumber="llvm.org/pr18190 thread states not properly maintained")
def test(self):
"""Test thread exit during breakpoint handling."""
self.build(dictionary=self.getBuildFlags())
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.cpp", self.breakpoint, num_expected_locations=1)
# 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',
'stop reason = breakpoint'])
# Get the target process
target = self.dbg.GetSelectedTarget()
process = target.GetProcess()
# The exit probably occurred during breakpoint handling, but it isn't
# guaranteed. The main thing we're testing here is that the debugger
# handles this cleanly is some way.
# Get the number of threads
num_threads = process.GetNumThreads()
# Make sure we see at least five threads
self.assertTrue(
num_threads >= 5,
'Number of expected threads and actual threads do not match.')
# Run to completion
self.runCmd("continue")
# At this point, the inferior process should have exited.
self.assertTrue(
process.GetState() == lldb.eStateExited,
PROCESS_EXITED)
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