Remove hyphenation code from Chromium.

content/browser/hyphenator/hyphenator_message_filter_unittest.cc

-// Copyright (c) 2012 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 "content/browser/hyphenator/hyphenator_message_filter.h"
-
-#include "base/base_paths.h"
-#include "base/files/file_path.h"
-#include "base/path_service.h"
-#include "base/strings/string16.h"
-#include "base/strings/utf_string_conversions.h"
-#include "content/common/hyphenator_messages.h"
-#include "content/public/test/mock_render_process_host.h"
-#include "content/public/test/test_browser_context.h"
-#include "ipc/ipc_message_utils.h"
-#include "ipc/ipc_platform_file.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace content {
-
-// A class derived from the HyphenatorMessageFilter class used in unit tests.
-// This class overrides some methods so we can test the HyphenatorMessageFilter
-// class without posting tasks.
-class TestHyphenatorMessageFilter : public HyphenatorMessageFilter {
- public:
-  explicit TestHyphenatorMessageFilter(RenderProcessHost* host)
-      : HyphenatorMessageFilter(host),
-        type_(0),
-        file_(base::kInvalidPlatformFileValue) {
-  }
-
-  const string16& locale() const { return locale_; }
-  uint32 type() const { return type_; }
-  base::PlatformFile file() const { return file_; }
-
-  // BrowserMessageFilter implementation.
-  virtual bool Send(IPC::Message* message) OVERRIDE {
-    if (message->type() != HyphenatorMsg_SetDictionary::ID)
-      return false;
-
-    // Read the PlatformFileForTransit object and check if its value is
-    // kInvalidPlatformFileValue. Close the incoming file if it is not
-    // kInvalidPlatformFileValue to prevent leaving the dictionary file open.
-    type_ = message->type();
-    PickleIterator iter(*message);
-    IPC::PlatformFileForTransit file;
-    IPC::ParamTraits<IPC::PlatformFileForTransit>::Read(message, &iter, &file);
-    file_ = IPC::PlatformFileForTransitToPlatformFile(file);
-    delete message;
-    return true;
-  }
-
-  void SetDictionary(base::PlatformFile file) {
-    dictionary_file_ = file;
-  }
-
-  void Reset() {
-    if (dictionary_file_ != base::kInvalidPlatformFileValue) {
-      base::ClosePlatformFile(dictionary_file_);
-      dictionary_file_ = base::kInvalidPlatformFileValue;
-    }
-    locale_.clear();
-    type_ = 0;
-    if (file_ != base::kInvalidPlatformFileValue) {
-      base::ClosePlatformFile(file_);
-      file_ = base::kInvalidPlatformFileValue;
-    }
-  }
-
- private:
-  virtual ~TestHyphenatorMessageFilter() {
-  }
-
-  // HyphenatorMessageFilter implementation. This function emulates the
-  // original implementation without posting a task.
-  virtual void OnOpenDictionary(const string16& locale) OVERRIDE {
-    locale_ = locale;
-    if (dictionary_file_ == base::kInvalidPlatformFileValue)
-      OpenDictionary(locale);
-    SendDictionary();
-  }
-
-  string16 locale_;
-  uint32 type_;
-  base::PlatformFile file_;
-};
-
-class HyphenatorMessageFilterTest : public testing::Test {
- public:
-  HyphenatorMessageFilterTest() {
-    context_.reset(new TestBrowserContext);
-    host_.reset(new MockRenderProcessHost(context_.get()));
-    filter_ = new TestHyphenatorMessageFilter(host_.get());
-  }
-
-  virtual ~HyphenatorMessageFilterTest() {}
-
-  scoped_ptr<TestBrowserContext> context_;
-  scoped_ptr<MockRenderProcessHost> host_;
-  scoped_refptr<TestHyphenatorMessageFilter> filter_;
-};
-
-// Verifies IPC messages sent by the HyphenatorMessageFilter class when it
-// receives IPC messages (HyphenatorHostMsg_OpenDictionary).
-TEST_F(HyphenatorMessageFilterTest, OpenDictionary) {
-  // Send a HyphenatorHostMsg_OpenDictionary message with an invalid locale and
-  // verify it sends a HyphenatorMsg_SetDictionary message with an invalid file.
-  string16 invalid_locale(ASCIIToUTF16("xx-xx"));
-  IPC::Message invalid_message(
-      0, HyphenatorHostMsg_OpenDictionary::ID, IPC::Message::PRIORITY_NORMAL);
-  invalid_message.WriteString16(invalid_locale);
-
-  bool message_was_ok = false;
-  filter_->OnMessageReceived(invalid_message, &message_was_ok);
-  EXPECT_TRUE(message_was_ok);
-  EXPECT_EQ(invalid_locale, filter_->locale());
-  EXPECT_EQ(HyphenatorMsg_SetDictionary::ID, filter_->type());
-  EXPECT_EQ(base::kInvalidPlatformFileValue, filter_->file());
-
-  filter_->Reset();
-
-  // Open a sample dictionary file and attach it to the
-  // HyphenatorMessageFilter class so it can return a valid file.
-  base::FilePath path;
-  PathService::Get(base::DIR_SOURCE_ROOT, &path);
-  path = path.Append(FILE_PATH_LITERAL("third_party"));
-  path = path.Append(FILE_PATH_LITERAL("hyphen"));
-  path = path.Append(FILE_PATH_LITERAL("hyph_en_US.dic"));
-  base::PlatformFile file = base::CreatePlatformFile(
-      path, base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_READ,
-      NULL, NULL);
-  EXPECT_NE(base::kInvalidPlatformFileValue, file);
-  filter_->SetDictionary(file);
-  file = base::kInvalidPlatformFileValue;  // Ownership has been transferred.
-
-  // Send a HyphenatorHostMsg_OpenDictionary message with an empty locale and
-  // verify it sends a HyphenatorMsg_SetDictionary message with a valid file.
-  string16 empty_locale;
-  IPC::Message valid_message(
-      0, HyphenatorHostMsg_OpenDictionary::ID, IPC::Message::PRIORITY_NORMAL);
-  valid_message.WriteString16(empty_locale);
-
-  message_was_ok = false;
-  filter_->OnMessageReceived(valid_message, &message_was_ok);
-  EXPECT_TRUE(message_was_ok);
-  EXPECT_EQ(empty_locale, filter_->locale());
-  EXPECT_EQ(HyphenatorMsg_SetDictionary::ID, filter_->type());
-  EXPECT_NE(base::kInvalidPlatformFileValue, filter_->file());
-
-  // Delete all resources used by this test.
-  filter_->Reset();
-}
-
-}  // namespace content