New Sequence/Thread checking API.

base/sequence_checker_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "base/sequence_checker.h"
+
 #include <stddef.h>
 
 #include <memory>
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
-#include "base/sequence_checker_impl.h"
 #include "base/sequence_token.h"
 #include "base/single_thread_task_runner.h"
+#include "base/test/gtest_util.h"
 #include "base/test/sequenced_worker_pool_owner.h"
 #include "base/threading/simple_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
 
 namespace {
 
 constexpr size_t kNumWorkerThreads = 3;
 
@@ skipping 221 matching lines @@
   FlushSequencedWorkerPoolForTesting();
 
   SequencedWorkerPoolOwner second_pool_owner(kNumWorkerThreads, "test2");
   second_pool_owner.pool()->PostNamedSequencedWorkerTask(
       "A", FROM_HERE,
       base::BindOnce(&ExpectNotCalledOnValidSequence,
                      base::Unretained(&sequence_checker)));
   second_pool_owner.pool()->FlushForTesting();
 }
 
+TEST_F(SequenceCheckerTest, Macros) {
+  SEQUENCE_CHECKER(my_sequence_checker);
+
+  PostToSequencedWorkerPool(
+      Bind([](SequenceChecker* sequence_checker) {
+#if DCHECK_IS_ON()
+    EXPECT_DCHECK_DEATH({ DCHECK_CALLED_ON_VALID_SEQUENCE(*sequence_checker); });
+#else
+    // Happily no-ops on non-dcheck builds.
+    DCHECK_CALLED_ON_VALID_SEQUENCE(*sequence_checker);
+#endif
+  }, Unretained(&my_sequence_checker)), "A");
+  FlushSequencedWorkerPoolForTesting();
+
+  DETACH_FROM_SEQUENCE(my_sequence_checker);
+
+  PostToSequencedWorkerPool(
+      Bind([](SequenceChecker* sequence_checker) {
+    // Happily passes after detaching from original sequence.
+    DCHECK_CALLED_ON_VALID_SEQUENCE(*sequence_checker);
+  }, Unretained(&my_sequence_checker)), "A");
+  FlushSequencedWorkerPoolForTesting();
+}
+
 }  // namespace base