1"""
2Test that hitting a UBSan issue while running user expression doesn't break the evaluation.
3"""
4
5import lldb
6from lldbsuite.test.lldbtest import *
7from lldbsuite.test.decorators import *
8import lldbsuite.test.lldbutil as lldbutil
9
10
11class UbsanUserExpressionTestCase(TestBase):
12
13    @skipUnlessUndefinedBehaviorSanitizer
14    def test(self):
15        self.build()
16        self.ubsan_tests()
17
18    def setUp(self):
19        # Call super's setUp().
20        TestBase.setUp(self)
21        self.line_breakpoint = line_number('main.c', '// breakpoint line')
22
23    def ubsan_tests(self):
24        # Load the test
25        exe = self.getBuildArtifact("a.out")
26        target = self.dbg.CreateTarget(exe)
27        self.assertTrue(target, VALID_TARGET)
28        self.registerSanitizerLibrariesWithTarget(target)
29
30        self.runCmd("breakpoint set -f main.c -l %d" % self.line_breakpoint)
31
32        self.runCmd("run")
33
34        process = self.dbg.GetSelectedTarget().process
35        thread = process.GetSelectedThread()
36        frame = thread.GetSelectedFrame()
37
38        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
39                    substrs=['stopped', 'stop reason = breakpoint'])
40
41        self.expect("p foo()", substrs=["(int) $0 = 42"])
42
43        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
44                    substrs=['stopped', 'stop reason = breakpoint'])
45