1 files changed, 195 insertions, 0 deletions
diff --git a/chromium/ash/shelf/shelf_navigator_unittest.cc b/chromium/ash/shelf/shelf_navigator_unittest.cc
new file mode 100644
index 00000000000..c4f392d4abe
--- /dev/null
+++ b/chromium/ash/shelf/shelf_navigator_unittest.cc
@@ -0,0 +1,195 @@
+// 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/ash_switches.h"
+#include "ash/launcher/launcher.h"
+#include "ash/launcher/launcher_types.h"
+#include "ash/shelf/shelf_model.h"
+#include "base/command_line.h"
+#include "base/compiler_specific.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace ash {
+
+namespace {
+
+class LauncherNavigatorTest : public testing::Test {
+ public:
+  LauncherNavigatorTest() {}
+
+ protected:
+  virtual void SetUp() OVERRIDE {
+    model_.reset(new ShelfModel);
+
+    // Add APP_LIST for test.
+    LauncherItem 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.
+    LauncherItem browser_shortcut;
+    browser_shortcut.type = TYPE_BROWSER_SHORTCUT;
+    model_->Add(browser_shortcut);
+  }
+
+  void SetupMockShelfModel(LauncherItemType* types,
+                              int types_length,
+                              int focused_index) {
+    for (int i = 0; i < types_length; ++i) {
+      LauncherItem 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) {
+      LauncherItem 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:
+  scoped_ptr<ShelfModel> model_;
+
+  DISALLOW_COPY_AND_ASSIGN(LauncherNavigatorTest);
+};
+
+class LauncherNavigatorLegacyShelfLayoutTest : public LauncherNavigatorTest {
+ public:
+  LauncherNavigatorLegacyShelfLayoutTest() : LauncherNavigatorTest() {}
+
+ protected:
+  virtual void SetUp() OVERRIDE {
+    CommandLine::ForCurrentProcess()->AppendSwitch(
+      ash::switches::kAshDisableAlternateShelfLayout);
+    LauncherNavigatorTest::SetUp();
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(LauncherNavigatorLegacyShelfLayoutTest);
+};
+
+}  // namespace
+
+TEST_F(LauncherNavigatorTest, BasicCycle) {
+  // An app shortcut and three platform apps.
+  LauncherItemType 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(LauncherNavigatorLegacyShelfLayoutTest, BasicCycle) {
+  // An app shortcut and three platform apps.
+  LauncherItemType types[] = {
+    TYPE_APP_SHORTCUT, TYPE_PLATFORM_APP, TYPE_PLATFORM_APP, TYPE_PLATFORM_APP,
+  };
+  // ShelfModel automatically adds BROWSER_SHORTCUT item at the
+  // beginning, so '2' refers the first TYPE_PLATFORM_APP item.
+  SetupMockShelfModel(types, arraysize(types), 2);
+
+  EXPECT_EQ(3, 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(4, GetNextActivatedItemIndex(model(), CYCLE_BACKWARD));
+}
+
+TEST_F(LauncherNavigatorTest, WrapToBeginning) {
+  LauncherItemType 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(LauncherNavigatorLegacyShelfLayoutTest, WrapToBeginning) {
+  LauncherItemType types[] = {
+    TYPE_APP_SHORTCUT, TYPE_PLATFORM_APP, TYPE_PLATFORM_APP, TYPE_PLATFORM_APP,
+  };
+  SetupMockShelfModel(types, arraysize(types), 4);
+
+  // 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(2, GetNextActivatedItemIndex(model(), CYCLE_FORWARD));
+}
+
+TEST_F(LauncherNavigatorTest, Empty) {
+  SetupMockShelfModel(NULL, 0, -1);
+  EXPECT_EQ(-1, GetNextActivatedItemIndex(model(), CYCLE_FORWARD));
+  EXPECT_EQ(-1, GetNextActivatedItemIndex(model(), CYCLE_BACKWARD));
+}
+
+TEST_F(LauncherNavigatorTest, SingleEntry) {
+  LauncherItemType 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(LauncherNavigatorLegacyShelfLayoutTest, SingleEntry) {
+  LauncherItemType type = TYPE_PLATFORM_APP;
+  SetupMockShelfModel(&type, 1, 1);
+
+  // 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(LauncherNavigatorTest, NoActive) {
+  LauncherItemType 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));
+}
+
+TEST_F(LauncherNavigatorLegacyShelfLayoutTest, NoActive) {
+  LauncherItemType 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(1, GetNextActivatedItemIndex(model(), CYCLE_FORWARD));
+  EXPECT_EQ(1, GetNextActivatedItemIndex(model(), CYCLE_BACKWARD));
+}
+
+}  // namespace ash