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