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"""
Test number of threads.
"""
import os, time
import unittest2
import lldb
from lldbtest import *
import lldbutil
class ThreadExitTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line numbers for our breakpoints.
self.break_1 = line_number('main.cpp', '// Set first breakpoint here')
self.break_2 = line_number('main.cpp', '// Set second breakpoint here')
self.break_3 = line_number('main.cpp', '// Set third breakpoint here')
self.break_4 = line_number('main.cpp', '// Set fourth breakpoint here')
@expectedFailureFreeBSD("llvm.org/pr18190") # thread states not properly maintained
@expectedFailureWindows("llvm.org/pr24681")
def test(self):
"""Test thread exit 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 with 1 location.
lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_1, num_expected_locations=1)
lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_2, num_expected_locations=1)
lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_3, num_expected_locations=1)
lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_4, num_expected_locations=1)
# The breakpoint list should show 1 locations.
self.expect("breakpoint list -f", "Breakpoint location shown correctly",
substrs = ["1: file = 'main.cpp', line = %d, exact_match = 0, locations = 1" % self.break_1,
"2: file = 'main.cpp', line = %d, exact_match = 0, locations = 1" % self.break_2,
"3: file = 'main.cpp', line = %d, exact_match = 0, locations = 1" % self.break_3,
"4: file = 'main.cpp', line = %d, exact_match = 0, locations = 1" % self.break_4])
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint 1.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT + " 1",
substrs = ['stopped',
'* thread #1',
'stop reason = breakpoint 1',
'thread #2'])
# Get the target process
target = self.dbg.GetSelectedTarget()
process = target.GetProcess()
# Get the number of threads
num_threads = process.GetNumThreads()
self.assertTrue(num_threads == 2, 'Number of expected threads and actual threads do not match at breakpoint 1.')
# Run to the second breakpoint
self.runCmd("continue")
# The stop reason of the thread should be breakpoint 1.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT + " 2",
substrs = ['stopped',
'thread #1',
'thread #2',
'stop reason = breakpoint 2',
'thread #3'])
# Update the number of threads
num_threads = process.GetNumThreads()
self.assertTrue(num_threads == 3, 'Number of expected threads and actual threads do not match at breakpoint 2.')
# Run to the third breakpoint
self.runCmd("continue")
# The stop reason of the thread should be breakpoint 3.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT + " 3",
substrs = ['stopped',
'thread #1',
'stop reason = breakpoint 3',
'thread #3',
])
# Update the number of threads
num_threads = process.GetNumThreads()
self.assertTrue(num_threads == 2, 'Number of expected threads and actual threads do not match at breakpoint 3.')
# Run to the fourth breakpoint
self.runCmd("continue")
# The stop reason of the thread should be breakpoint 4.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT + " 4",
substrs = ['stopped',
'thread #1',
'stop reason = breakpoint 4'])
# Update the number of threads
num_threads = process.GetNumThreads()
self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match at breakpoint 4.')
# Run to completion
self.runCmd("continue")
# 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()
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