mash: Move shelf_navigator.* to //ash/common/shelf

ash/shelf/shelf_navigator_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 "ash/shelf/shelf_navigator.h"
-
-#include "ash/common/ash_switches.h"
-#include "ash/common/shelf/shelf_item_types.h"
-#include "ash/common/shelf/shelf_model.h"
-#include "ash/shelf/shelf.h"
-#include "base/command_line.h"
-#include "base/macros.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace ash {
-
-namespace {
-
-class ShelfNavigatorTest : public testing::Test {
- public:
-  ShelfNavigatorTest() {}
-
- protected:
-  void SetUp() override {
-    model_.reset(new ShelfModel);
-
-    // Add APP_LIST for test.
-    ShelfItem app_list;
-    app_list.type = TYPE_APP_LIST;
-    model_->Add(app_list);
-
-    // Initially, applist launcher item is only created.
-    int total_num = model_->item_count();
-    EXPECT_EQ(1, total_num);
-    EXPECT_TRUE(model_->items()[0].type == TYPE_APP_LIST);
-
-    // Add BROWSER_SHORTCUT for test.
-    ShelfItem browser_shortcut;
-    browser_shortcut.type = TYPE_BROWSER_SHORTCUT;
-    model_->Add(browser_shortcut);
-  }
-
-  void SetupMockShelfModel(ShelfItemType* types,
-                           int types_length,
-                           int focused_index) {
-    for (int i = 0; i < types_length; ++i) {
-      ShelfItem new_item;
-      new_item.type = types[i];
-      new_item.status =
-          (types[i] == TYPE_PLATFORM_APP) ? STATUS_RUNNING : STATUS_CLOSED;
-      model_->Add(new_item);
-    }
-
-    // Set the focused item.
-    if (focused_index >= 0) {
-      ShelfItem focused_item = model_->items()[focused_index];
-      if (focused_item.type == TYPE_PLATFORM_APP) {
-        focused_item.status = STATUS_ACTIVE;
-        model_->Set(focused_index, focused_item);
-      }
-    }
-  }
-
-  const ShelfModel& model() { return *model_.get(); }
-
- private:
-  std::unique_ptr<ShelfModel> model_;
-
-  DISALLOW_COPY_AND_ASSIGN(ShelfNavigatorTest);
-};
-
-}  // namespace
-
-TEST_F(ShelfNavigatorTest, BasicCycle) {
-  // An app shortcut and three platform apps.
-  ShelfItemType types[] = {
-      TYPE_APP_SHORTCUT, TYPE_PLATFORM_APP, TYPE_PLATFORM_APP,
-      TYPE_PLATFORM_APP,
-  };
-  // ShelfModel automatically adds BROWSER_SHORTCUT item at the
-  // beginning, so '3' refers the first TYPE_PLATFORM_APP item.
-  SetupMockShelfModel(types, arraysize(types), 3);
-
-  EXPECT_EQ(4, GetNextActivatedItemIndex(model(), CYCLE_FORWARD));
-
-  // Fourth one.  It will skip the APP_SHORTCUT at the beginning of the list and
-  // the APP_LIST item which is automatically added at the end of items.
-  EXPECT_EQ(5, GetNextActivatedItemIndex(model(), CYCLE_BACKWARD));
-}
-
-TEST_F(ShelfNavigatorTest, WrapToBeginning) {
-  ShelfItemType types[] = {
-      TYPE_APP_SHORTCUT, TYPE_PLATFORM_APP, TYPE_PLATFORM_APP,
-      TYPE_PLATFORM_APP,
-  };
-  SetupMockShelfModel(types, arraysize(types), 5);
-
-  // Second one.  It skips the APP_LIST item at the end of the list,
-  // wraps to the beginning, and skips BROWSER_SHORTCUT and APP_SHORTCUT
-  // at the beginning of the list.
-  EXPECT_EQ(3, GetNextActivatedItemIndex(model(), CYCLE_FORWARD));
-}
-
-TEST_F(ShelfNavigatorTest, Empty) {
-  SetupMockShelfModel(NULL, 0, -1);
-  EXPECT_EQ(-1, GetNextActivatedItemIndex(model(), CYCLE_FORWARD));
-  EXPECT_EQ(-1, GetNextActivatedItemIndex(model(), CYCLE_BACKWARD));
-}
-
-TEST_F(ShelfNavigatorTest, SingleEntry) {
-  ShelfItemType type = TYPE_PLATFORM_APP;
-  SetupMockShelfModel(&type, 1, 2);
-
-  // If there's only one item there and it is already active, there's no item
-  // to be activated next.
-  EXPECT_EQ(-1, GetNextActivatedItemIndex(model(), CYCLE_FORWARD));
-  EXPECT_EQ(-1, GetNextActivatedItemIndex(model(), CYCLE_BACKWARD));
-}
-
-TEST_F(ShelfNavigatorTest, NoActive) {
-  ShelfItemType types[] = {
-      TYPE_PLATFORM_APP, TYPE_PLATFORM_APP,
-  };
-  // Special case: no items are 'STATUS_ACTIVE'.
-  SetupMockShelfModel(types, arraysize(types), -1);
-
-  // If there are no active status, pick the first running item as a fallback.
-  EXPECT_EQ(2, GetNextActivatedItemIndex(model(), CYCLE_FORWARD));
-  EXPECT_EQ(2, GetNextActivatedItemIndex(model(), CYCLE_BACKWARD));
-}
-
-}  // namespace ash