Files
clang-p2996/lldb/test/functionalities/expr-doesnt-deadlock/TestExprDoesntBlock.py
Vince Harron 7ac3ea424b Added expectedFlakey test decorator
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
2015-06-26 15:13:21 +00:00

75 lines
2.6 KiB
Python

"""
Test that expr will time out and allow other threads to run if it blocks.
"""
import os, time
import re
import unittest2
import lldb, lldbutil
from lldbtest import *
class ExprDoesntDeadlockTestCase(TestBase):
def getCategories(self):
return ['basic_process']
mydir = TestBase.compute_mydir(__file__)
@skipUnlessDarwin
@dsym_test
def test_with_dsym_and_run_command(self):
"""Test that expr will time out and allow other threads to run if it blocks - with dsym."""
self.buildDsym()
self.expr_doesnt_deadlock()
@dwarf_test
@expectedFailureFreeBSD('llvm.org/pr17946')
@expectedFlakeyLinux # failed 1/365 test runs, line 61, thread.IsValid()
def test_with_dwarf_and_run_command(self):
"""Test that expr will time out and allow other threads to run if it blocks."""
self.buildDwarf()
self.expr_doesnt_deadlock()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
def expr_doesnt_deadlock (self):
"""Test that expr will time out and allow other threads to run if it blocks."""
exe = os.path.join(os.getcwd(), "a.out")
# Create a target by the debugger.
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Now create a breakpoint at source line before call_me_to_get_lock gets called.
main_file_spec = lldb.SBFileSpec ("locking.c")
breakpoint = target.BreakpointCreateBySourceRegex('Break here', main_file_spec)
if self.TraceOn():
print "breakpoint:", breakpoint
self.assertTrue(breakpoint and
breakpoint.GetNumLocations() == 1,
VALID_BREAKPOINT)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple (None, None, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
# Frame #0 should be on self.line1 and the break condition should hold.
from lldbutil import get_stopped_thread
thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint)
self.assertTrue(thread.IsValid(), "There should be a thread stopped due to breakpoint condition")
frame0 = thread.GetFrameAtIndex(0)
var = frame0.EvaluateExpression ("call_me_to_get_lock()")
self.assertTrue (var.IsValid())
self.assertTrue (var.GetValueAsSigned (0) == 567)
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()