1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
| """
Tests that TSan correctly reports the filename and line number of a racy global C++ variable.
"""
import lldb
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
import lldbsuite.test.lldbutil as lldbutil
import json
class TsanCPPGlobalLocationTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailureAll(
oslist=["linux"],
bugnumber="non-core functionality, need to reenable and fix later (DES 2014.11.07)")
@expectedFailureNetBSD
@skipIfFreeBSD # llvm.org/pr21136 runtimes not yet available by default
@skipIfRemote
@skipUnlessThreadSanitizer
def test(self):
self.build()
self.tsan_tests()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
def tsan_tests(self):
exe = self.getBuildArtifact("a.out")
self.expect(
"file " + exe,
patterns=["Current executable set to .*a.out"])
self.runCmd("run")
stop_reason = self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReason()
if stop_reason == lldb.eStopReasonExec:
# On OS X 10.10 and older, we need to re-exec to enable
# interceptors.
self.runCmd("continue")
# the stop reason of the thread should be breakpoint.
self.expect("thread list", "A data race should be detected",
substrs=['stopped', 'stop reason = Data race detected'])
self.expect(
"thread info -s",
"The extended stop info should contain the TSan provided fields",
substrs=[
"instrumentation_class",
"description",
"mops"])
output_lines = self.res.GetOutput().split('\n')
json_line = '\n'.join(output_lines[2:])
data = json.loads(json_line)
self.assertEqual(data["instrumentation_class"], "ThreadSanitizer")
self.assertEqual(data["issue_type"], "data-race")
self.assertTrue(data["location_filename"].endswith("/main.cpp"))
self.assertEqual(
data["location_line"],
line_number(
'main.cpp',
'// global variable'))
|