Sync user's custom spellcheck dictionary

chrome/browser/sync/test/integration/performance/dictionary_sync_perf_test.cc

+// Copyright (c) 2011 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/string_number_conversions.h"
+#include "chrome/browser/sync/profile_sync_service_harness.h"
+#include "chrome/browser/sync/test/integration/dictionary_helper.h"
+#include "chrome/browser/sync/test/integration/performance/sync_timing_helper.h"
+#include "chrome/browser/sync/test/integration/sync_test.h"
+
+class DictionarySyncPerfTest : public SyncTest {
+ public:
+  DictionarySyncPerfTest() : SyncTest(TWO_CLIENT) {}
+  virtual ~DictionarySyncPerfTest() {}
+
+  virtual void AddOptionalTypesToCommandLine(CommandLine* cl) OVERRIDE {
+    dictionary_helper::EnableDictionarySync(cl);
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DictionarySyncPerfTest);
+};
+
+IN_PROC_BROWSER_TEST_F(DictionarySyncPerfTest, P0) {
+  ASSERT_TRUE(SetupSync()) << "SetupSync() failed.";
+  dictionary_helper::LoadDictionaries();
+  ASSERT_TRUE(dictionary_helper::DictionariesMatch());
+
+  base::TimeDelta dt;
+  const size_t kNumWords = 1300;
+  for (size_t i = 0; i < kNumWords; ++i)
+    ASSERT_TRUE(dictionary_helper::AddWord(0, "foo" + base::Uint64ToString(i)));
+  dt = SyncTimingHelper::TimeMutualSyncCycle(GetClient(0), GetClient(1));
+  ASSERT_EQ(kNumWords, dictionary_helper::GetDictionarySize(1));
+  SyncTimingHelper::PrintResult("dictionary", "add_words", dt);
+
+  for (size_t i = 0; i < kNumWords; ++i) {
+    ASSERT_TRUE(dictionary_helper::RemoveWord(
+        0, "foo" + base::Uint64ToString(i)));
+  }
+  dt = SyncTimingHelper::TimeMutualSyncCycle(GetClient(0), GetClient(1));
+  ASSERT_EQ(0UL, dictionary_helper::GetDictionarySize(1));
+  SyncTimingHelper::PrintResult("dictionary", "remove_words", dt);
+
+  MessageLoop::current()->RunUntilIdle();
+}