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"""
Test that hitting a UBSan issue while running user expression doesn't break the evaluation.
"""
import lldb
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
import lldbsuite.test.lldbutil as lldbutil
class UbsanUserExpressionTestCase(TestBase):
@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 = self.getBuildArtifact("a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
self.registerSanitizerLibrariesWithTarget(target)
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("expression foo()", substrs=["(int) $0 = 42"])
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stopped", "stop reason = breakpoint"],
)
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