src/chrome/browser/ui/app_list/test/fast_show_pickler_unittest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/ui/app_list/fast_show_pickler.h"
   6 #include "testing/gtest/include/gtest/gtest.h"
   7 #include "third_party/skia/include/core/SkBitmap.h"
   8 #include "third_party/skia/include/core/SkColorPriv.h"
   9 #include "ui/app_list/app_list_item_model.h"
  10 #include "ui/app_list/app_list_model.h"
  11 #include "ui/gfx/image/image_skia.h"
  12 #include "ui/gfx/skia_util.h"
  13
  14 using app_list::AppListItemModel;
  15 using app_list::AppListModel;
  16
  17 class AppListModelPicklerUnitTest : public testing::Test {
  18  protected:
  19   void CheckIsSame(AppListModel* m1, AppListModel* m2) {
  20     ASSERT_EQ(m1->item_list()->item_count(), m2->item_list()->item_count());
  21     ASSERT_EQ(m1->signed_in(), m2->signed_in());
  22     for (size_t i = 0; i < m1->item_list()->item_count(); i++) {
  23       ASSERT_EQ(m1->item_list()->item_at(i)->id(),
  24                 m2->item_list()->item_at(i)->id());
  25       ASSERT_EQ(m1->item_list()->item_at(i)->title(),
  26                 m2->item_list()->item_at(i)->title());
  27       ASSERT_EQ(m1->item_list()->item_at(i)->full_name(),
  28                 m2->item_list()->item_at(i)->full_name());
  29       CompareImages(m1->item_list()->item_at(i)->icon(),
  30                     m2->item_list()->item_at(i)->icon());
  31     }
  32   }
  33
  34   void CompareImages(const gfx::ImageSkia& image1,
  35                      const gfx::ImageSkia& image2) {
  36     std::vector<gfx::ImageSkiaRep> reps1(image1.image_reps());
  37     std::vector<gfx::ImageSkiaRep> reps2(image2.image_reps());
  38     ASSERT_EQ(reps1.size(), reps2.size());
  39     for (size_t i = 0; i < reps1.size(); ++i) {
  40       ASSERT_TRUE(
  41           gfx::BitmapsAreEqual(reps1[i].sk_bitmap(), reps2[i].sk_bitmap()));
  42       ASSERT_EQ(reps1[i].scale(), reps2[i].scale());
  43     }
  44   }
  45
  46   scoped_ptr<AppListModel> CopyViaPickle(AppListModel* model) {
  47     scoped_ptr<Pickle> pickle(
  48         FastShowPickler::PickleAppListModelForFastShow(model));
  49     return FastShowPickler::UnpickleAppListModelForFastShow(pickle.get());
  50   }
  51
  52   void DoConsistencyChecks(AppListModel* model) {
  53     scoped_ptr<AppListModel> model2(CopyViaPickle(model));
  54     AppListModel dest_model;
  55     FastShowPickler::CopyOver(model2.get(), &dest_model);
  56
  57     CheckIsSame(model, model2.get());
  58     CheckIsSame(model, &dest_model);
  59     CheckIsSame(model2.get(), &dest_model);
  60   }
  61
  62   gfx::ImageSkia MakeImage() {
  63     const int kWidth = 10;
  64     const int kHeight = 10;
  65     SkBitmap bitmap;
  66     bitmap.setConfig(SkBitmap::kARGB_8888_Config, kWidth, kHeight);
  67     bitmap.allocPixels();
  68     bitmap.eraseARGB(255, 1, 2, 3);
  69     return gfx::ImageSkia::CreateFrom1xBitmap(bitmap);
  70   }
  71 };
  72
  73 TEST_F(AppListModelPicklerUnitTest, EmptyModel) {
  74   AppListModel model;
  75   DoConsistencyChecks(&model);
  76 }
  77
  78 TEST_F(AppListModelPicklerUnitTest, OneItem) {
  79   AppListModel model;
  80   AppListItemModel* app1 = new AppListItemModel("abc");
  81   app1->SetTitleAndFullName("ht", "hello, there");
  82   model.item_list()->AddItem(app1);
  83
  84   DoConsistencyChecks(&model);
  85 }
  86
  87 TEST_F(AppListModelPicklerUnitTest, TwoItems) {
  88   AppListModel model;
  89   AppListItemModel* app1 = new AppListItemModel("abc");
  90   app1->SetTitleAndFullName("ht", "hello, there");
  91   model.item_list()->AddItem(app1);
  92
  93   AppListItemModel* app2 = new AppListItemModel("abc2");
  94   app2->SetTitleAndFullName("ht2", "hello, there 2");
  95   model.item_list()->AddItem(app2);
  96
  97   DoConsistencyChecks(&model);
  98 }
  99
 100 TEST_F(AppListModelPicklerUnitTest, Images) {
 101   AppListModel model;
 102   AppListItemModel* app1 = new AppListItemModel("abc");
 103   app1->SetTitleAndFullName("ht", "hello, there");
 104   app1->SetIcon(MakeImage(), true);
 105   model.item_list()->AddItem(app1);
 106
 107   AppListItemModel* app2 = new AppListItemModel("abc2");
 108   app2->SetTitleAndFullName("ht2", "hello, there 2");
 109   model.item_list()->AddItem(app2);
 110
 111   DoConsistencyChecks(&model);
 112 }
 113
 114 TEST_F(AppListModelPicklerUnitTest, EmptyImage) {
 115   AppListModel model;
 116   AppListItemModel* app1 = new AppListItemModel("abc");
 117   app1->SetTitleAndFullName("ht", "hello, there");
 118   app1->SetIcon(gfx::ImageSkia(), true);
 119   model.item_list()->AddItem(app1);
 120
 121   DoConsistencyChecks(&model);
 122 }
 123
 124 TEST_F(AppListModelPicklerUnitTest, SignedIn) {
 125   AppListModel model;
 126   model.SetSignedIn(true);
 127
 128   DoConsistencyChecks(&model);
 129 }
 130
 131 TEST_F(AppListModelPicklerUnitTest, SignedOut) {
 132   AppListModel model;
 133   model.SetSignedIn(false);
 134
 135   DoConsistencyChecks(&model);
 136 }