Disable flaky test on msan

webrtc/base/sharedexclusivelock_unittest.cc

 /*
  *  Copyright 2011 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include "webrtc/base/common.h"
 #include "webrtc/base/gunit.h"
 #include "webrtc/base/messagehandler.h"
 #include "webrtc/base/messagequeue.h"
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/base/sharedexclusivelock.h"
 #include "webrtc/base/thread.h"
 #include "webrtc/base/timeutils.h"
 
+#if defined(MEMORY_SANITIZER)
+// Flaky under MemorySanitizer, see
+// https://bugs.chromium.org/p/webrtc/issues/detail?id=5824
+#define MAYBE_TestSharedExclusive DISABLED_TestSharedExclusive
+#define MAYBE_TestExclusiveExclusive DISABLED_TestExclusiveExclusive
+#else
+#define MAYBE_TestSharedExclusive TestSharedExclusive
+#define MAYBE_TestExclusiveExclusive TestExclusiveExclusive
+#endif
+
 namespace rtc {
 
 static const uint32_t kMsgRead = 0;
 static const uint32_t kMsgWrite = 0;
 static const int kNoWaitThresholdInMs = 10;
 static const int kWaitThresholdInMs = 80;
 static const int kProcessTimeInMs = 100;
 static const int kProcessTimeoutInMs = 5000;
 
 class SharedExclusiveTask : public MessageHandler {
@@ skipping 120 matching lines @@
   }
 
   EXPECT_TRUE_WAIT(done0, kProcessTimeoutInMs);
   EXPECT_EQ(1, value0);
   EXPECT_LE(reader0.waiting_time_in_ms(), kNoWaitThresholdInMs);
   EXPECT_TRUE_WAIT(done1, kProcessTimeoutInMs);
   EXPECT_EQ(1, value1);
   EXPECT_LE(reader1.waiting_time_in_ms(), kNoWaitThresholdInMs);
 }
 
-TEST_F(SharedExclusiveLockTest, TestSharedExclusive) {
+TEST_F(SharedExclusiveLockTest, MAYBE_TestSharedExclusive) {
   bool done;
   WriteTask writer(shared_exclusive_lock_.get(), &value_, &done);
 
   // Test exclusive lock needs to wait for shared lock.
   {
     SharedScope ss(shared_exclusive_lock_.get());
     value_ = 1;
     done = false;
     writer.PostWrite(2);
     Thread::SleepMs(kProcessTimeInMs);
@@ skipping 18 matching lines @@
     reader.PostRead(&value);
     Thread::SleepMs(kProcessTimeInMs);
     value_ = 2;
   }
 
   EXPECT_TRUE_WAIT(done, kProcessTimeoutInMs);
   EXPECT_EQ(2, value);
   EXPECT_GE(reader.waiting_time_in_ms(), kWaitThresholdInMs);
 }
 
-TEST_F(SharedExclusiveLockTest, TestExclusiveExclusive) {
+TEST_F(SharedExclusiveLockTest, MAYBE_TestExclusiveExclusive) {
   bool done;
   WriteTask writer(shared_exclusive_lock_.get(), &value_, &done);
 
   // Test exclusive lock needs to wait for exclusive lock.
   {
     ExclusiveScope es(shared_exclusive_lock_.get());
     value_ = 1;
     done = false;
     writer.PostWrite(2);
     Thread::SleepMs(kProcessTimeInMs);
     EXPECT_EQ(1, value_);
   }
 
   EXPECT_TRUE_WAIT(done, kProcessTimeoutInMs);
   EXPECT_EQ(2, value_);
   EXPECT_GE(writer.waiting_time_in_ms(), kWaitThresholdInMs);
 }
 
 }  // namespace rtc