Reland: Implement Aura side of unified touch text selection for contents

ui/views/touchui/touch_selection_menu_runner_views_unittest.cc

+// Copyright 2015 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/strings/grit/ui_strings.h"
+#include "ui/touch_selection/touch_selection_menu_runner.h"
+#include "ui/views/test/views_test_base.h"
+#include "ui/views/touchui/touch_editing_menu.h"
+#include "ui/views/touchui/touch_selection_menu_runner_views.h"
+#include "ui/views/views_delegate.h"
+
+namespace views {
+
+class TouchSelectionMenuRunnerViewsTest : public ViewsTestBase,
+                                          public ui::TouchSelectionMenuClient {
+ public:
+  TouchSelectionMenuRunnerViewsTest() : no_command_available_(false) {}
+  ~TouchSelectionMenuRunnerViewsTest() override {}
+
+ protected:
+  void set_no_commmand_available(bool no_command) {
+    no_command_available_ = no_command;
+  }
+
+ private:
+  // ui::TouchSelectionMenuClient:
+  bool IsCommandIdEnabled(int command_id) const override {
+    return !no_command_available_;
+  }
+
+  void ExecuteCommand(int command_id, int event_flags) override {}
+
+  void OpenContextMenu() override {}
+
+  // When set to true, no command would be availble and menu should not be
+  // shown.
+  bool no_command_available_;
+
+  DISALLOW_COPY_AND_ASSIGN(TouchSelectionMenuRunnerViewsTest);
+};
+
+TEST_F(TouchSelectionMenuRunnerViewsTest, InstalledAndWorksProperly) {
+  gfx::Rect menu_anchor(0, 0, 10, 10);
+  gfx::Size handle_size(10, 10);
+
+  // Menu runner instance should be installed, but no menu should be running.
+  EXPECT_TRUE(ui::TouchSelectionMenuRunner::GetInstance());
+  EXPECT_FALSE(ui::TouchSelectionMenuRunner::GetInstance()->IsRunning());
+
+  // Run menu. Since commands are availble, this should bring up menus.
+  ui::TouchSelectionMenuRunner::GetInstance()->RunMenu(
+      this, menu_anchor, handle_size, GetContext());
+  EXPECT_TRUE(ui::TouchSelectionMenuRunner::GetInstance()->IsRunning());
+
+  // Close menu.
+  ui::TouchSelectionMenuRunner::GetInstance()->CloseMenu();
+  EXPECT_FALSE(ui::TouchSelectionMenuRunner::GetInstance()->IsRunning());
+
+  // Try running menu when no commands is available. Menu should not be shown.
+  set_no_commmand_available(true);
+  ui::TouchSelectionMenuRunner::GetInstance()->RunMenu(
+      this, menu_anchor, handle_size, GetContext());
+  EXPECT_FALSE(ui::TouchSelectionMenuRunner::GetInstance()->IsRunning());
+}
+
+}  // namespace views