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"""
Test that hitting a UBSan issue while running user expression doesn't break the evaluation.
"""
import os
import time
import lldb
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
import lldbsuite.test.lldbutil as lldbutil
import json
class UbsanUserExpressionTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@skipUnlessUndefinedBehaviorSanitizer
def test(self):
self.build()
self.ubsan_tests()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
self.line_breakpoint = line_number('main.c', '// breakpoint line')
def ubsan_tests(self):
# Load the test
exe = os.path.join(os.getcwd(), "a.out")
self.expect(
"file " + exe,
patterns=["Current executable set to .*a.out"])
self.runCmd("breakpoint set -f main.c -l %d" % self.line_breakpoint)
self.runCmd("run")
process = self.dbg.GetSelectedTarget().process
thread = process.GetSelectedThread()
frame = thread.GetSelectedFrame()
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
self.expect("p foo()", substrs=["(int) $0 = 42"])
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
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