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"""
Test number of threads.
"""
from __future__ import print_function
import os, time
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class MultipleBreakpointTestCase(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=lldbplatformutil.getDarwinOSTriples(), bugnumber="llvm.org/pr15824 thread states not properly maintained")
@expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr18190 thread states not properly maintained")
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24668: Breakpoints not resolved correctly")
def test(self):
"""Test simultaneous breakpoints in multiple threads."""
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)
# The breakpoint list should show 1 location.
self.expect("breakpoint list -f", "Breakpoint location shown correctly",
substrs = ["1: file = 'main.cpp', line = %d, locations = 1" % self.breakpoint])
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
# The breakpoint may be hit in either thread 2 or thread 3.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
# Get the target process
target = self.dbg.GetSelectedTarget()
process = target.GetProcess()
# Get the number of threads
num_threads = process.GetNumThreads()
# Make sure we see all three threads
self.assertTrue(num_threads >= 3, 'Number of expected threads and actual threads do not match.')
# Get the thread objects
thread1 = process.GetThreadAtIndex(0)
thread2 = process.GetThreadAtIndex(1)
thread3 = process.GetThreadAtIndex(2)
# Make sure both threads are stopped
self.assertTrue(thread1.IsStopped(), "Primary thread didn't stop during breakpoint")
self.assertTrue(thread2.IsStopped(), "Secondary thread didn't stop during breakpoint")
self.assertTrue(thread3.IsStopped(), "Tertiary thread didn't stop during breakpoint")
# Delete the first breakpoint then continue
self.runCmd("breakpoint delete 1")
# 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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