15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/base/models/list_model.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/compiler_specific.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/scoped_ptr.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "testing/gtest/include/gtest/gtest.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace ui { 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class FooItem { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit FooItem(int id) : id_(id) {} 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int id() const { return id_; } 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int id_; 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(FooItem); 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class ListModelTest : public testing::Test, 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public ListModelObserver { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ListModelTest() 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : added_count_(0), 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) removed_count_(0), 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) moved_count_(0), 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) changed_count_(0) { 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void ExpectCountsEqual(size_t added_count, 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t removed_count, 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t moved_count, 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t changed_count) { 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(added_count, added_count_); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(removed_count, removed_count_); 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(moved_count, moved_count_); 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(changed_count, changed_count_); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void ClearCounts() { 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) added_count_ = removed_count_ = moved_count_ = changed_count_ = 0; 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ListModelObserver implementation: 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void ListItemsAdded(size_t start, size_t count) OVERRIDE { 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) added_count_ += count; 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void ListItemsRemoved(size_t start, size_t count) OVERRIDE { 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) removed_count_ += count; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void ListItemMoved(size_t index, size_t target_index) OVERRIDE { 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ++moved_count_; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void ListItemsChanged(size_t start, size_t count) OVERRIDE { 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) changed_count_ += count; 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t added_count_; 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t removed_count_; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t moved_count_; 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t changed_count_; 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(ListModelTest); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST_F(ListModelTest, Add) { 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ListModel<FooItem> model; 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.AddObserver(this); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Append FooItem(0) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.Add(new FooItem(0)); 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ExpectCountsEqual(1, 0, 0, 0); 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Append FooItem(1) 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.Add(new FooItem(1)); 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ExpectCountsEqual(2, 0, 0, 0); 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Insert FooItem(2) at position 0 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.AddAt(0, new FooItem(2)); 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ExpectCountsEqual(3, 0, 0, 0); 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Total 3 items in model. 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(3U, model.item_count()); 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // First one should be FooItem(2), followed by FooItem(0) and FooItem(1) 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(2, model.GetItemAt(0)->id()); 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0, model.GetItemAt(1)->id()); 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(1, model.GetItemAt(2)->id()); 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST_F(ListModelTest, Remove) { 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ListModel<FooItem> model; 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.AddObserver(this); 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.Add(new FooItem(0)); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.Add(new FooItem(1)); 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.Add(new FooItem(2)); 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ClearCounts(); 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Remove item at index 1 from model and release memory. 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.DeleteAt(1); 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ExpectCountsEqual(0, 1, 0, 0); 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(2U, model.item_count()); 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0, model.GetItemAt(0)->id()); 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(2, model.GetItemAt(1)->id()); 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Remove all items from model and delete them. 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.DeleteAll(); 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ExpectCountsEqual(0, 3, 0, 0); 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST_F(ListModelTest, RemoveAll) { 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ListModel<FooItem> model; 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.AddObserver(this); 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<FooItem> foo0(new FooItem(0)); 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<FooItem> foo1(new FooItem(1)); 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<FooItem> foo2(new FooItem(2)); 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.Add(foo0.get()); 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.Add(foo1.get()); 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.Add(foo2.get()); 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ClearCounts(); 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Remove all items and scoped_ptr above would release memory. 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.RemoveAll(); 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ExpectCountsEqual(0, 3, 0, 0); 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST_F(ListModelTest, Move) { 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ListModel<FooItem> model; 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.AddObserver(this); 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.Add(new FooItem(0)); 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.Add(new FooItem(1)); 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.Add(new FooItem(2)); 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ClearCounts(); 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Moves item at index 0 to index 2. 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.Move(0, 2); 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ExpectCountsEqual(0, 0, 1, 0); 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(1, model.GetItemAt(0)->id()); 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(2, model.GetItemAt(1)->id()); 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0, model.GetItemAt(2)->id()); 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST_F(ListModelTest, FakeUpdate) { 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ListModel<FooItem> model; 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.AddObserver(this); 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.Add(new FooItem(0)); 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.Add(new FooItem(1)); 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.Add(new FooItem(2)); 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ClearCounts(); 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.NotifyItemsChanged(0, 1); 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ExpectCountsEqual(0, 0, 0, 1); 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model.NotifyItemsChanged(1, 2); 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ExpectCountsEqual(0, 0, 0, 3); 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace ui 175