Implement ui::ClipboardMus.

ui/views/mus/clipboard_unittest.cc

Index: ui/views/mus/clipboard_unittest.cc
diff --git a/ui/views/mus/clipboard_unittest.cc b/ui/views/mus/clipboard_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b2825977525fb4699dede5bfb61c924d29822299
--- /dev/null
+++ b/ui/views/mus/clipboard_unittest.cc
@@ -0,0 +1,145 @@
+// Copyright 2016 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 "ui/views/mus/clipboard_mus.h"
+
+#include "base/message_loop/message_loop.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/events/platform/platform_event_source.h"
+#include "ui/views/mus/window_manager_connection.h"
+#include "ui/views/test/scoped_views_test_helper.h"
+
+namespace ui {
+
+// So we can't make ScopedViewsTestHelper a global. We must set up
+// ScopedViewsTestHelper on every test (which will create the connection to
+// mus). And we can't modify PlatformClipboardTraits to not be a pure static
+// struct. So to solve these lifetime issues, create an adapter that owns the
+// ScopedViewsTestHelper and then .
+class ForwardingTestingClipboard : public ui::Clipboard {
+ public:
+  ForwardingTestingClipboard()
+      : test_helper_(new views::ScopedViewsTestHelper),
+        clipboard_to_test_(Clipboard::GetForCurrentThread()) {
+    // If we don't have a window manager connection, we will get the default
+    // platform clipboard instead.
+    EXPECT_TRUE(views::WindowManagerConnection::Exists());
+  }
+
+  ~ForwardingTestingClipboard() override {
+    Clipboard::DestroyClipboardForCurrentThread();
+  }
+
+  void Destroy() {
+    delete this;
+  }
+
+ protected:
+  // Overridden from ui::Clipboard:
+  uint64_t GetSequenceNumber(ClipboardType type) const override {
+    return clipboard_to_test_->GetSequenceNumber(type);
+  }
+  bool IsFormatAvailable(const FormatType& format,
+                         ClipboardType type) const override {
+    return clipboard_to_test_->IsFormatAvailable(format, type);
+  }
+  void Clear(ClipboardType type) override {
+    clipboard_to_test_->Clear(type);
+  }
+  void ReadAvailableTypes(ClipboardType type,
+                          std::vector<base::string16>* types,
+                          bool* contains_filenames) const override {
+    clipboard_to_test_->ReadAvailableTypes(type, types, contains_filenames);
+  }
+  void ReadText(ClipboardType type, base::string16* result) const override {
+    clipboard_to_test_->ReadText(type, result);
+  }
+  void ReadAsciiText(ClipboardType type, std::string* result) const override {
+    clipboard_to_test_->ReadAsciiText(type, result);
+  }
+  void ReadHTML(ClipboardType type, base::string16* markup,
+                std::string* src_url, uint32_t* fragment_start,
+                uint32_t* fragment_end) const override {
+    clipboard_to_test_->ReadHTML(type, markup, src_url,
+                                 fragment_start, fragment_end);
+  }
+  void ReadRTF(ClipboardType type, std::string* result) const override {
+    clipboard_to_test_->ReadRTF(type, result);
+  }
+  SkBitmap ReadImage(ClipboardType type) const override {
+    return clipboard_to_test_->ReadImage(type);
+  }
+  void ReadCustomData(ClipboardType clipboard_type,
+                      const base::string16& type,
+                      base::string16* result) const override {
+    clipboard_to_test_->ReadCustomData(clipboard_type, type, result);
+  }
+  void ReadBookmark(base::string16* title, std::string* url) const override {
+    clipboard_to_test_->ReadBookmark(title, url);
+  }
+  void ReadData(const FormatType& format, std::string* result) const override {
+    clipboard_to_test_->ReadData(format, result);
+  }
+  void WriteObjects(ClipboardType type, const ObjectMap& objects) override {
+    clipboard_to_test_->WriteObjects(type, objects);
+  }
+  void WriteText(const char* text_data, size_t text_len) override {
+    clipboard_to_test_->WriteText(text_data, text_len);
+  }
+  void WriteHTML(const char* markup_data,
+                 size_t markup_len,
+                 const char* url_data,
+                 size_t url_len) override {
+    clipboard_to_test_->WriteHTML(markup_data, markup_len, url_data, url_len);
+  }
+  void WriteRTF(const char* rtf_data, size_t data_len) override {
+    clipboard_to_test_->WriteRTF(rtf_data, data_len);
+  }
+  void WriteBookmark(const char* title_data,
+                     size_t title_len,
+                     const char* url_data,
+                     size_t url_len) override {
+    clipboard_to_test_->WriteBookmark(title_data, title_len,
+                                      url_data, url_len);
+  }
+  void WriteWebSmartPaste() override {
+    clipboard_to_test_->WriteWebSmartPaste();
+  }
+  void WriteBitmap(const SkBitmap& bitmap) override {
+    clipboard_to_test_->WriteBitmap(bitmap);
+  }
+  void WriteData(const FormatType& format,
+                 const char* data_data,
+                 size_t data_len) override {
+    clipboard_to_test_->WriteData(format, data_data, data_len);
+  }
+
+ private:
+  std::unique_ptr<views::ScopedViewsTestHelper> test_helper_;
+  ui::Clipboard* clipboard_to_test_;
+
+  DISALLOW_COPY_AND_ASSIGN(ForwardingTestingClipboard);
+};
+
+struct PlatformClipboardTraits {
+  static std::unique_ptr<PlatformEventSource> GetEventSource() {
+    return nullptr;
+  }
+
+  static Clipboard* Create() {
+    return new ForwardingTestingClipboard();
+  }
+
+  static bool IsMusTest() { return true; }
+
+  static void Destroy(Clipboard* clipboard) {
+    static_cast<ForwardingTestingClipboard*>(clipboard)->Destroy();
+  }
+};
+
+using TypesToTest = PlatformClipboardTraits;
+
+}  // namespace ui
+
+#include "ui/base/clipboard/clipboard_test_template.h"