diff options
Diffstat (limited to 'packages/Python/lldbsuite/test/functionalities/tsan/thread_numbers/TestTsanThreadNumbers.py')
-rw-r--r-- | packages/Python/lldbsuite/test/functionalities/tsan/thread_numbers/TestTsanThreadNumbers.py | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/functionalities/tsan/thread_numbers/TestTsanThreadNumbers.py b/packages/Python/lldbsuite/test/functionalities/tsan/thread_numbers/TestTsanThreadNumbers.py new file mode 100644 index 000000000000..c7905bcb1c1d --- /dev/null +++ b/packages/Python/lldbsuite/test/functionalities/tsan/thread_numbers/TestTsanThreadNumbers.py @@ -0,0 +1,68 @@ +""" +Tests that TSan and LLDB have correct thread numbers. +""" + +import os, time +import lldb +from lldbsuite.test.lldbtest import * +from lldbsuite.test.decorators import * +import lldbsuite.test.lldbutil as lldbutil +import json + +class TsanThreadNumbersTestCase(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + @expectedFailureAll(oslist=["linux"], bugnumber="non-core functionality, need to reenable and fix later (DES 2014.11.07)") + @skipIfFreeBSD # llvm.org/pr21136 runtimes not yet available by default + @skipIfRemote + @skipUnlessCompilerRt + @skipUnlessThreadSanitizer + def test (self): + self.build () + self.tsan_tests () + + def setUp(self): + # Call super's setUp(). + TestBase.setUp(self) + + def tsan_tests (self): + exe = os.path.join (os.getcwd(), "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.assertEqual(self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReason(), lldb.eStopReasonInstrumentation) + + report_thread_id = self.dbg.GetSelectedTarget().process.GetSelectedThread().GetIndexID() + + 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.assertEqual(len(data["mops"]), 2) + + self.assertEqual(data["mops"][0]["thread_id"], report_thread_id) + + other_thread_id = data["mops"][1]["thread_id"] + self.assertTrue(other_thread_id != report_thread_id) + other_thread = self.dbg.GetSelectedTarget().process.GetThreadByIndexID(other_thread_id) + self.assertTrue(other_thread.IsValid()) + + self.runCmd("thread select %d" % other_thread_id) + + self.expect("thread backtrace", "The other thread should be stopped in f1 or f2", + substrs = ["a.out", "main.c"]) |