mirror of
https://github.com/intel/llvm.git
synced 2026-01-26 21:53:12 +08:00
7ac3ea424b
SUMMARY Flakey tests get two chances to pass Also, switched a bunch of tests to use new decorator. TEST PLAN Add one of these decorators to a test Edit a test to pass on the first invocation, confirm test appears as pass Edit a test to pass on the first invocation, pass on the second, confirm test appears as xfail Edit a test to fail on two consecutive runs, confirm test appears in results as fail/error Differential Revision: http://reviews.llvm.org/D10721 llvm-svn: 240789
133 lines
4.7 KiB
Python
133 lines
4.7 KiB
Python
"""
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Test thread creation after process attach.
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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 CreateAfterAttachTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@skipUnlessDarwin
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@dsym_test
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def test_create_after_attach_with_dsym(self):
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"""Test thread creation after process attach."""
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self.buildDsym(dictionary=self.getBuildFlags(use_cpp11=False))
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self.create_after_attach(use_fork=False)
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@skipIfFreeBSD # Hangs. May be the same as Linux issue llvm.org/pr16229 but
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# not yet investigated. Revisit once required functionality
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# is implemented for FreeBSD.
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@skipIfLinux # Occasionally hangs on the build bot, expectedFailureLinux
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@dwarf_test
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def test_create_after_attach_with_dwarf_and_popen(self):
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"""Test thread creation after process attach."""
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self.buildDwarf(dictionary=self.getBuildFlags(use_cpp11=False))
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self.create_after_attach(use_fork=False)
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@skipIfFreeBSD # Hangs. Revisit once required functionality is implemented
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# for FreeBSD.
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@dwarf_test
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@skipIfRemote
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@expectedFlakeyLinux("llvm.org/pr16229") # 1/100 dosep, build 3546, clang-3.5 x84_64
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def test_create_after_attach_with_dwarf_and_fork(self):
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"""Test thread creation after process attach."""
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self.buildDwarf(dictionary=self.getBuildFlags(use_cpp11=False))
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self.create_after_attach(use_fork=True)
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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.c', '// Set first breakpoint here')
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self.break_2 = line_number('main.c', '// Set second breakpoint here')
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self.break_3 = line_number('main.c', '// Set third breakpoint here')
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def create_after_attach(self, use_fork):
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"""Test thread creation after process attach."""
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exe = os.path.join(os.getcwd(), "a.out")
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# Spawn a new process
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if use_fork:
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pid = self.forkSubprocess(exe)
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else:
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popen = self.spawnSubprocess(exe)
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pid = popen.pid
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self.addTearDownHook(self.cleanupSubprocesses)
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# Attach to the spawned process
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self.runCmd("process attach -p " + str(pid))
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target = self.dbg.GetSelectedTarget()
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process = target.GetProcess()
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self.assertTrue(process, PROCESS_IS_VALID)
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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.c", self.break_1, num_expected_locations=1)
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# This should create a breakpoint in the second child thread.
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lldbutil.run_break_set_by_file_and_line (self, "main.c", self.break_2, num_expected_locations=1)
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# This should create a breakpoint in the first child thread.
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lldbutil.run_break_set_by_file_and_line (self, "main.c", self.break_3, num_expected_locations=1)
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# Run to the first breakpoint
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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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'thread #2'])
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# Change a variable to escape the loop
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self.runCmd("expression main_thread_continue = 1")
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# Run to the second breakpoint
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self.runCmd("continue")
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self.runCmd("thread select 3")
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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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'thread #2',
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'* thread #3',
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'stop reason = breakpoint'])
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# Change a variable to escape the loop
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self.runCmd("expression child_thread_continue = 1")
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# Run to the third breakpoint
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self.runCmd("continue")
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self.runCmd("thread select 2")
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# The stop reason of the thread should be breakpoint.
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# Thread 3 may or may not have already exited.
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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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'* thread #2',
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'stop reason = breakpoint'])
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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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