Tamas Berghammer c8fd130a2c Merge dwarf and dsym tests
Currently most of the test files have a separate dwarf and a separate
dsym test with almost identical content (only the build step is
different). With adding dwo symbol file handling to the test suit it
would increase this to a 3-way duplication. The purpose of this change
is to eliminate this redundancy with generating 2 test case (one dwarf
and one dsym) for each test function specified (dwo handling will be
added at a later commit).

Main design goals:
* There should be no boilerplate code in each test file to support the
  multiple debug info in most of the tests (custom scenarios are
  acceptable in special cases) so adding a new test case is easier and
  we can't miss one of the debug info type.
* In case of a test failure, the debug symbols used during the test run
  have to be cleanly visible from the output of dotest.py to make
  debugging easier both from build bot logs and from local test runs
* Each test case should have a unique, fully qualified name so we can
  run exactly 1 test with "-f <test-case>.<test-function>" syntax
* Test output should be grouped based on test files the same way as it
  happens now (displaying dwarf/dsym results separately isn't
  preferable)

Proposed solution (main logic in lldbtest.py, rest of them are test
cases fixed up for the new style):
* Have only 1 test fuction in the test files what will run for all
  debug info separately and this test function should call just
  "self.build(...)" to build an inferior with the right debug info
* When a class is created by python (the class object, not the class
  instance), we will generate a new test method for each debug info
  format in the test class with the name "<test-function>_<debug-info>"
  and remove the original test method. This way unittest2 see multiple
  test methods (1 for each debug info, pretty much as of now) and will
  handle the test selection and the failure reporting correctly (the
  debug info will be visible from the end of the test name)
* Add new annotation @no_debug_info_test to disable the generation of
  multiple tests for each debug info format when the test don't have an
  inferior

Differential revision: http://reviews.llvm.org/D13028

llvm-svn: 248883
2015-09-30 10:12:40 +00:00

349 lines
14 KiB
Python

"""
Test thread states.
"""
import os, time
import unittest2
import lldb
from lldbtest import *
import lldbutil
class ThreadStateTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailureDarwin("rdar://15367566")
@expectedFailureFreeBSD('llvm.org/pr15824')
@expectedFailureLinux("llvm.org/pr15824") # thread states not properly maintained
@expectedFailureWindows("llvm.org/pr24668") # Breakpoints not resolved correctly
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
@expectedFailureDarwin('llvm.org/pr23669')
@expectedFailureWindows("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')
@expectedFailureWindows("llvm.org/pr24660")
def test_state_after_expression(self):
"""Test thread state after expression."""
self.build(dictionary=self.getBuildFlags(use_cpp11=False))
self.thread_state_after_continue_test()
@unittest2.expectedFailure("llvm.org/pr16712") # thread states not properly maintained
@expectedFailureWindows("llvm.org/pr24668") # Breakpoints not resolved correctly
def test_process_interrupt(self):
"""Test process interrupt."""
self.build(dictionary=self.getBuildFlags(use_cpp11=False))
self.process_interrupt_test()
@unittest2.expectedFailure("llvm.org/pr15824") # thread states not properly maintained
@expectedFailureWindows("llvm.org/pr24668") # Breakpoints not resolved correctly
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 = 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.break_1, num_expected_locations=1)
# The breakpoint list should show 1 breakpoint with 1 location.
self.expect("breakpoint list -f", "Breakpoint location shown correctly",
substrs = ["1: file = 'main.cpp', line = %d, locations = 1" % self.break_1])
# 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',
'* thread #1',
'stop reason = breakpoint'])
# Get the target process
target = self.dbg.GetSelectedTarget()
process = target.GetProcess()
# Get the number of threads
num_threads = process.GetNumThreads()
self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match.')
# Get the thread object
thread = process.GetThreadAtIndex(0)
# 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 thread_state_after_continue_test(self):
"""Test thread state after continue."""
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.break_1, num_expected_locations=1)
lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_2, num_expected_locations=1)
# The breakpoint list should show 1 breakpoints with 1 location.
self.expect("breakpoint list -f", "Breakpoint location shown correctly",
substrs = ["1: file = 'main.cpp', line = %d, exact_match = 0, locations = 1" % self.break_1])
# 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',
'* thread #1',
'stop reason = breakpoint'])
# Get the target process
target = self.dbg.GetSelectedTarget()
process = target.GetProcess()
# Get the number of threads
num_threads = process.GetNumThreads()
self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match.')
# Get the thread object
thread = process.GetThreadAtIndex(0)
# Continue, the inferior will go into an infinite loop waiting for 'g_test' to change.
self.dbg.SetAsync(True)
self.runCmd("continue")
time.sleep(1)
# 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 = 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.break_1, num_expected_locations=1)
lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_2, num_expected_locations=1)
# The breakpoint list should show 1 breakpoints with 1 location.
self.expect("breakpoint list -f", "Breakpoint location shown correctly",
substrs = ["1: file = 'main.cpp', line = %d, locations = 1" % self.break_1])
# 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',
'* thread #1',
'stop reason = breakpoint'])
# Get the target process
target = self.dbg.GetSelectedTarget()
process = target.GetProcess()
# Get the number of threads
num_threads = process.GetNumThreads()
self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match.')
# Get the thread object
thread = process.GetThreadAtIndex(0)
# 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")
def process_interrupt_test(self):
"""Test process interrupt and continue."""
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.break_1, num_expected_locations=1)
# The breakpoint list should show 1 breakpoints with 1 location.
self.expect("breakpoint list -f", "Breakpoint location shown correctly",
substrs = ["1: file = 'main.cpp', line = %d, locations = 1" % self.break_1])
# 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',
'* thread #1',
'stop reason = breakpoint'])
# Get the target process
target = self.dbg.GetSelectedTarget()
process = target.GetProcess()
# Get the number of threads
num_threads = process.GetNumThreads()
self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match.')
# Continue, the inferior will go into an infinite loop waiting for 'g_test' to change.
self.dbg.SetAsync(True)
self.runCmd("continue")
time.sleep(1)
# Go back to synchronous interactions
self.dbg.SetAsync(False)
# Stop the process
self.runCmd("process interrupt")
# The stop reason of the thread should be signal.
self.expect("process status", STOPPED_DUE_TO_SIGNAL,
substrs = ['stopped',
'* thread #1',
'stop reason = signal'])
# 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 = 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.break_1, num_expected_locations=1)
lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_2, num_expected_locations=1)
# The breakpoint list should show 2 breakpoints with 1 location each.
self.expect("breakpoint list -f", "Breakpoint location shown correctly",
substrs = ["1: file = 'main.cpp', line = %d, locations = 1" % self.break_1,
"2: file = 'main.cpp', line = %d, locations = 1" % self.break_2])
# 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',
'* thread #1',
'stop reason = breakpoint'])
# Get the target process
target = self.dbg.GetSelectedTarget()
process = target.GetProcess()
# Get the number of threads
num_threads = process.GetNumThreads()
self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match.')
# Get the thread object
thread = process.GetThreadAtIndex(0)
# 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")
time.sleep(1)
# 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")
# The stop reason of the thread should be signal.
self.expect("process status", STOPPED_DUE_TO_SIGNAL,
substrs = ['stopped',
'* thread #1',
'stop reason = signal'])
# 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.")
# The stop reason of the thread should be signal.
self.expect("process status", STOPPED_DUE_TO_SIGNAL,
substrs = ['stopped',
'* thread #1',
'stop reason = signal'])
# Run to breakpoint 2
self.runCmd("continue")
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'* thread #1',
'stop reason = breakpoint'])
# 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.assertTrue(process.GetState() == lldb.eStateExited, PROCESS_EXITED)
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()