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| """
Test thread states.
"""
from __future__ import print_function
import unittest2
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class ThreadStateTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailureAll(
oslist=["linux"],
bugnumber="llvm.org/pr15824 thread states not properly maintained")
@skipIfDarwin # llvm.org/pr15824 thread states not properly maintained and <rdar://problem/28557237>
@expectedFailureAll(
oslist=["freebsd"],
bugnumber="llvm.org/pr18190 thread states not properly maintained")
@expectedFailureNetBSD
def test_state_after_breakpoint(self):
"""Test thread state after breakpoint."""
self.build(dictionary=self.getBuildFlags(use_cpp11=False))
self.thread_state_after_breakpoint_test()
@skipIfDarwin # 'llvm.org/pr23669', cause Python crash randomly
@expectedFailureAll(
oslist=lldbplatformutil.getDarwinOSTriples(),
bugnumber="llvm.org/pr23669")
@expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr15824")
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24660")
def test_state_after_continue(self):
"""Test thread state after continue."""
self.build(dictionary=self.getBuildFlags(use_cpp11=False))
self.thread_state_after_continue_test()
@skipIfDarwin # 'llvm.org/pr23669', cause Python crash randomly
@expectedFailureDarwin('llvm.org/pr23669')
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24660")
@expectedFailureNetBSD
# thread states not properly maintained
@unittest2.expectedFailure("llvm.org/pr16712")
def test_state_after_expression(self):
"""Test thread state after expression."""
self.build(dictionary=self.getBuildFlags(use_cpp11=False))
self.thread_state_after_expression_test()
# thread states not properly maintained
@unittest2.expectedFailure("llvm.org/pr15824 and <rdar://problem/28557237>")
@expectedFailureAll(
oslist=["windows"],
bugnumber="llvm.org/pr24668: Breakpoints not resolved correctly")
@skipIfDarwin # llvm.org/pr15824 thread states not properly maintained and <rdar://problem/28557237>
@expectedFailureNetBSD
def test_process_state(self):
"""Test thread states (comprehensive)."""
self.build(dictionary=self.getBuildFlags(use_cpp11=False))
self.thread_states_test()
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')
def thread_state_after_breakpoint_test(self):
"""Test thread state after breakpoint."""
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# This should create a breakpoint in the main thread.
bp = lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.break_1, num_expected_locations=1)
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# Get the target process
target = self.dbg.GetSelectedTarget()
process = target.GetProcess()
thread = lldbutil.get_stopped_thread(
process, lldb.eStopReasonBreakpoint)
self.assertIsNotNone(thread)
# Make sure the thread is in the stopped state.
self.assertTrue(
thread.IsStopped(),
"Thread state isn't \'stopped\' during breakpoint 1.")
self.assertFalse(thread.IsSuspended(),
"Thread state is \'suspended\' during breakpoint 1.")
# Kill the process
self.runCmd("process kill")
def wait_for_running_event(self, process):
listener = self.dbg.GetListener()
if lldb.remote_platform:
lldbutil.expect_state_changes(
self, listener, process, [
lldb.eStateConnected])
lldbutil.expect_state_changes(
self, listener, process, [
lldb.eStateRunning])
def thread_state_after_continue_test(self):
"""Test thread state after continue."""
exe = self.getBuildArtifact("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.break_1, num_expected_locations=1)
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.break_2, num_expected_locations=1)
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# Get the target process
target = self.dbg.GetSelectedTarget()
process = target.GetProcess()
thread = lldbutil.get_stopped_thread(
process, lldb.eStopReasonBreakpoint)
self.assertIsNotNone(thread)
# Continue, the inferior will go into an infinite loop waiting for
# 'g_test' to change.
self.dbg.SetAsync(True)
self.runCmd("continue")
self.wait_for_running_event(process)
# Check the thread state. It should be running.
self.assertFalse(
thread.IsStopped(),
"Thread state is \'stopped\' when it should be running.")
self.assertFalse(
thread.IsSuspended(),
"Thread state is \'suspended\' when it should be running.")
# Go back to synchronous interactions
self.dbg.SetAsync(False)
# Kill the process
self.runCmd("process kill")
def thread_state_after_expression_test(self):
"""Test thread state after expression."""
exe = self.getBuildArtifact("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.break_1, num_expected_locations=1)
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.break_2, num_expected_locations=1)
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# Get the target process
target = self.dbg.GetSelectedTarget()
process = target.GetProcess()
thread = lldbutil.get_stopped_thread(
process, lldb.eStopReasonBreakpoint)
self.assertIsNotNone(thread)
# Get the inferior out of its loop
self.runCmd("expression g_test = 1")
# Check the thread state
self.assertTrue(
thread.IsStopped(),
"Thread state isn't \'stopped\' after expression evaluation.")
self.assertFalse(
thread.IsSuspended(),
"Thread state is \'suspended\' after expression evaluation.")
# Let the process run to completion
self.runCmd("process continue")
@expectedFailureAll(
oslist=["windows"],
bugnumber="llvm.org/pr24668: Breakpoints not resolved correctly")
@skipIfDarwin # llvm.org/pr15824 thread states not properly maintained and <rdar://problem/28557237>
@no_debug_info_test
def test_process_interrupt(self):
"""Test process interrupt and continue."""
self.build(dictionary=self.getBuildFlags(use_cpp11=False))
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# This should create a breakpoint in the main thread.
bpno = lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.break_1, num_expected_locations=1)
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# Get the target process
target = self.dbg.GetSelectedTarget()
process = target.GetProcess()
thread = lldbutil.get_stopped_thread(
process, lldb.eStopReasonBreakpoint)
self.assertIsNotNone(thread)
# Remove the breakpoint to avoid the single-step-over-bkpt dance in the
# "continue" below
self.assertTrue(target.BreakpointDelete(bpno))
# Continue, the inferior will go into an infinite loop waiting for
# 'g_test' to change.
self.dbg.SetAsync(True)
self.runCmd("continue")
self.wait_for_running_event(process)
# Go back to synchronous interactions
self.dbg.SetAsync(False)
# Stop the process
self.runCmd("process interrupt")
self.assertEqual(thread.GetStopReason(), lldb.eStopReasonSignal)
# Get the inferior out of its loop
self.runCmd("expression g_test = 1")
# Run to completion
self.runCmd("continue")
def thread_states_test(self):
"""Test thread states (comprehensive)."""
exe = self.getBuildArtifact("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.break_1, num_expected_locations=1)
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.break_2, num_expected_locations=1)
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# Get the target process
target = self.dbg.GetSelectedTarget()
process = target.GetProcess()
thread = lldbutil.get_stopped_thread(
process, lldb.eStopReasonBreakpoint)
self.assertIsNotNone(thread)
# Make sure the thread is in the stopped state.
self.assertTrue(
thread.IsStopped(),
"Thread state isn't \'stopped\' during breakpoint 1.")
self.assertFalse(thread.IsSuspended(),
"Thread state is \'suspended\' during breakpoint 1.")
# Continue, the inferior will go into an infinite loop waiting for
# 'g_test' to change.
self.dbg.SetAsync(True)
self.runCmd("continue")
self.wait_for_running_event(process)
# Check the thread state. It should be running.
self.assertFalse(
thread.IsStopped(),
"Thread state is \'stopped\' when it should be running.")
self.assertFalse(
thread.IsSuspended(),
"Thread state is \'suspended\' when it should be running.")
# Go back to synchronous interactions
self.dbg.SetAsync(False)
# Stop the process
self.runCmd("process interrupt")
self.assertEqual(thread.GetState(), lldb.eStopReasonSignal)
# Check the thread state
self.assertTrue(
thread.IsStopped(),
"Thread state isn't \'stopped\' after process stop.")
self.assertFalse(thread.IsSuspended(),
"Thread state is \'suspended\' after process stop.")
# Get the inferior out of its loop
self.runCmd("expression g_test = 1")
# Check the thread state
self.assertTrue(
thread.IsStopped(),
"Thread state isn't \'stopped\' after expression evaluation.")
self.assertFalse(
thread.IsSuspended(),
"Thread state is \'suspended\' after expression evaluation.")
self.assertEqual(thread.GetState(), lldb.eStopReasonSignal)
# Run to breakpoint 2
self.runCmd("continue")
self.assertEqual(thread.GetState(), lldb.eStopReasonBreakpoint)
# Make sure both threads are stopped
self.assertTrue(
thread.IsStopped(),
"Thread state isn't \'stopped\' during breakpoint 2.")
self.assertFalse(thread.IsSuspended(),
"Thread state is \'suspended\' during breakpoint 2.")
# Run to completion
self.runCmd("continue")
# At this point, the inferior process should have exited.
self.assertEqual(process.GetState(), lldb.eStateExited, PROCESS_EXITED)
|