llvm-project/lldb/test/functionalities/thread/break_after_join/TestBreakAfterJoin.py

93 lines
3.4 KiB
Python

"""
Test number of threads.
"""
import os, time
import unittest2
import lldb
from lldbtest import *
import lldbutil
class BreakpointAfterJoinTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@skipUnlessDarwin
@expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained
@dsym_test
def test_with_dsym(self):
"""Test breakpoint handling after a thread join."""
self.buildDsym(dictionary=self.getBuildFlags())
self.breakpoint_after_join_test()
@expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained
@expectedFailureFreeBSD("llvm.org/pr18190") # thread states not properly maintained
@expectedFailureLinux("llvm.org/pr15824") # thread states not properly maintained
@dwarf_test
def test_with_dwarf(self):
"""Test breakpoint handling after a thread join."""
self.buildDwarf(dictionary=self.getBuildFlags())
self.breakpoint_after_join_test()
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')
def breakpoint_after_join_test(self):
"""Test breakpoint handling after a thread join."""
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)
# The breakpoint list should show 1 location.
self.expect("breakpoint list -f", "Breakpoint location shown correctly",
substrs = ["1: file = 'main.cpp', line = %d, exact_match = 0, locations = 1" % self.breakpoint])
# 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 occured 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 six threads
self.assertTrue(num_threads >= 6, 'Number of expected threads and actual threads do not match.')
# Make sure all threads are stopped
for i in range(0, num_threads):
self.assertTrue(process.GetThreadAtIndex(i).IsStopped(),
"Thread {0} didn't stop during breakpoint.".format(i))
# Run to completion
self.runCmd("continue")
# If the process hasn't exited, collect some information
if process.GetState() != lldb.eStateExited:
self.runCmd("thread list")
self.runCmd("process status")
# At this point, the inferior process should have exited.
self.assertTrue(process.GetState() == lldb.eStateExited, PROCESS_EXITED)
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()