c8fd130a2c
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
349 lines
14 KiB
Python
349 lines
14 KiB
Python
"""
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Test thread states.
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"""
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import os, time
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import unittest2
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import lldb
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from lldbtest import *
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import lldbutil
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class ThreadStateTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@expectedFailureDarwin("rdar://15367566")
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@expectedFailureFreeBSD('llvm.org/pr15824')
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@expectedFailureLinux("llvm.org/pr15824") # thread states not properly maintained
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@expectedFailureWindows("llvm.org/pr24668") # Breakpoints not resolved correctly
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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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@expectedFailureDarwin('llvm.org/pr23669')
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@expectedFailureWindows("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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@expectedFailureWindows("llvm.org/pr24660")
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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_continue_test()
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@unittest2.expectedFailure("llvm.org/pr16712") # thread states not properly maintained
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@expectedFailureWindows("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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@unittest2.expectedFailure("llvm.org/pr15824") # thread states not properly maintained
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@expectedFailureWindows("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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lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_1, num_expected_locations=1)
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# The breakpoint list should show 1 breakpoint with 1 location.
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self.expect("breakpoint list -f", "Breakpoint location shown correctly",
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substrs = ["1: file = 'main.cpp', line = %d, locations = 1" % self.break_1])
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# Run the program.
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self.runCmd("run", RUN_SUCCEEDED)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs = ['stopped',
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'* thread #1',
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'stop reason = breakpoint'])
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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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# Get the number of threads
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num_threads = process.GetNumThreads()
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self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match.')
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# Get the thread object
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thread = process.GetThreadAtIndex(0)
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# Make sure the thread is in the stopped state.
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self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' during breakpoint 1.")
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self.assertFalse(thread.IsSuspended(), "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 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 (self, "main.cpp", self.break_1, num_expected_locations=1)
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lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_2, num_expected_locations=1)
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# The breakpoint list should show 1 breakpoints with 1 location.
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self.expect("breakpoint list -f", "Breakpoint location shown correctly",
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substrs = ["1: file = 'main.cpp', line = %d, exact_match = 0, locations = 1" % self.break_1])
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# Run the program.
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self.runCmd("run", RUN_SUCCEEDED)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs = ['stopped',
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'* thread #1',
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'stop reason = breakpoint'])
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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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# Get the number of threads
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num_threads = process.GetNumThreads()
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self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match.')
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# Get the thread object
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thread = process.GetThreadAtIndex(0)
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# Continue, the inferior will go into an infinite loop waiting for 'g_test' to change.
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self.dbg.SetAsync(True)
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self.runCmd("continue")
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time.sleep(1)
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# Check the thread state. It should be running.
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self.assertFalse(thread.IsStopped(), "Thread state is \'stopped\' when it should be running.")
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self.assertFalse(thread.IsSuspended(), "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 (self, "main.cpp", self.break_1, num_expected_locations=1)
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lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_2, num_expected_locations=1)
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# The breakpoint list should show 1 breakpoints with 1 location.
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self.expect("breakpoint list -f", "Breakpoint location shown correctly",
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substrs = ["1: file = 'main.cpp', line = %d, locations = 1" % self.break_1])
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# Run the program.
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self.runCmd("run", RUN_SUCCEEDED)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs = ['stopped',
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'* thread #1',
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'stop reason = breakpoint'])
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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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# Get the number of threads
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num_threads = process.GetNumThreads()
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self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match.')
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# Get the thread object
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thread = process.GetThreadAtIndex(0)
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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(thread.IsStopped(), "Thread state isn't \'stopped\' after expression evaluation.")
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self.assertFalse(thread.IsSuspended(), "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 (self, "main.cpp", self.break_1, num_expected_locations=1)
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# The breakpoint list should show 1 breakpoints with 1 location.
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self.expect("breakpoint list -f", "Breakpoint location shown correctly",
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substrs = ["1: file = 'main.cpp', line = %d, locations = 1" % self.break_1])
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# Run the program.
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self.runCmd("run", RUN_SUCCEEDED)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs = ['stopped',
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'* thread #1',
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'stop reason = breakpoint'])
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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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# Get the number of threads
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num_threads = process.GetNumThreads()
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self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match.')
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# Continue, the inferior will go into an infinite loop waiting for 'g_test' to change.
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self.dbg.SetAsync(True)
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self.runCmd("continue")
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time.sleep(1)
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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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# The stop reason of the thread should be signal.
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self.expect("process status", STOPPED_DUE_TO_SIGNAL,
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substrs = ['stopped',
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'* thread #1',
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'stop reason = signal'])
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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 (self, "main.cpp", self.break_1, num_expected_locations=1)
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lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_2, num_expected_locations=1)
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# The breakpoint list should show 2 breakpoints with 1 location each.
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self.expect("breakpoint list -f", "Breakpoint location shown correctly",
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substrs = ["1: file = 'main.cpp', line = %d, locations = 1" % self.break_1,
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"2: file = 'main.cpp', line = %d, locations = 1" % self.break_2])
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# Run the program.
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self.runCmd("run", RUN_SUCCEEDED)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs = ['stopped',
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'* thread #1',
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'stop reason = breakpoint'])
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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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# Get the number of threads
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num_threads = process.GetNumThreads()
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self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match.')
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# Get the thread object
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thread = process.GetThreadAtIndex(0)
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# Make sure the thread is in the stopped state.
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self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' during breakpoint 1.")
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self.assertFalse(thread.IsSuspended(), "Thread state is \'suspended\' during breakpoint 1.")
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# Continue, the inferior will go into an infinite loop waiting for 'g_test' to change.
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self.dbg.SetAsync(True)
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self.runCmd("continue")
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time.sleep(1)
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# Check the thread state. It should be running.
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self.assertFalse(thread.IsStopped(), "Thread state is \'stopped\' when it should be running.")
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self.assertFalse(thread.IsSuspended(), "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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# The stop reason of the thread should be signal.
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self.expect("process status", STOPPED_DUE_TO_SIGNAL,
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substrs = ['stopped',
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'* thread #1',
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'stop reason = signal'])
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# Check the thread state
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self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' after process stop.")
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self.assertFalse(thread.IsSuspended(), "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(thread.IsStopped(), "Thread state isn't \'stopped\' after expression evaluation.")
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self.assertFalse(thread.IsSuspended(), "Thread state is \'suspended\' after expression evaluation.")
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# The stop reason of the thread should be signal.
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self.expect("process status", STOPPED_DUE_TO_SIGNAL,
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substrs = ['stopped',
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'* thread #1',
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'stop reason = signal'])
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# Run to breakpoint 2
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self.runCmd("continue")
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs = ['stopped',
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'* thread #1',
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'stop reason = breakpoint'])
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# Make sure both threads are stopped
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self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' during breakpoint 2.")
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self.assertFalse(thread.IsSuspended(), "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.assertTrue(process.GetState() == lldb.eStateExited, PROCESS_EXITED)
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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