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"""
Make sure the stop reason of a thread that did not run
during an expression is not changed by running the expression
"""
import lldb
import lldbsuite.test.lldbutil as lldbutil
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
class TestStopReasonAfterExpression(TestBase):
mydir = TestBase.compute_mydir(__file__)
@skipIfWindows
def test_thread_state_after_expr(self):
self.build()
self.main_source_file = lldb.SBFileSpec("main.cpp")
self.do_test()
def do_test(self):
(target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
"Set a breakpoint here", self.main_source_file)
self.assertEqual(bkpt.GetNumLocations(), 2, "Got two locations")
# So now thread holds the main thread. Continue to hit the
# breakpoint again on the spawned thread:
threads = lldbutil.continue_to_breakpoint(process, bkpt)
self.assertEqual(len(threads), 1, "Hit the breakpoint the second time")
other_thread = threads[0]
self.assertNotEqual(thread.GetThreadID(), other_thread.GetThreadID(),
"A different thread")
# Run an expression ONLY on other_thread. Don't let thread run:
options = lldb.SBExpressionOptions()
options.SetTryAllThreads(False)
options.SetStopOthers(True)
result = thread.frames[0].EvaluateExpression('(int) printf("Hello\\n")', options)
self.assertTrue(result.GetError().Success(),
"Expression failed: '%s'"%(result.GetError().GetCString()))
stop_reason = other_thread.GetStopReason()
self.assertEqual(stop_reason, lldb.eStopReasonBreakpoint,
"Still records stopped at breakpoint: %s"
%(lldbutil.stop_reason_to_str(stop_reason)))
self.assertEqual(other_thread.GetStopReasonDataAtIndex(0), 1,
"Still records stopped at right breakpoint")
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