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| 1 // Copyright (c) 2011 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 <algorithm> |
| 6 |
| 7 #include "gfx/canvas.h" |
| 8 #include "testing/gtest/include/gtest/gtest.h" |
| 9 #include "ui/views/view.h" |
| 10 #include "ui/views/widget/widget.h" |
| 11 |
| 12 namespace ui { |
| 13 |
| 14 class ViewTest : public testing::Test { |
| 15 public: |
| 16 ViewTest() {} |
| 17 virtual ~ViewTest() {} |
| 18 |
| 19 private: |
| 20 DISALLOW_COPY_AND_ASSIGN(ViewTest); |
| 21 }; |
| 22 |
| 23 TEST_F(ViewTest, SizeAndDisposition) { |
| 24 View v; |
| 25 EXPECT_TRUE(v.bounds().IsEmpty()); |
| 26 EXPECT_TRUE(v.visible()); |
| 27 |
| 28 v.SetBoundsRect(gfx::Rect(10, 10, 200, 200)); |
| 29 EXPECT_EQ(200, v.width()); |
| 30 |
| 31 EXPECT_TRUE(v.GetPreferredSize().IsEmpty()); |
| 32 } |
| 33 |
| 34 TEST_F(ViewTest, TreeOperations) { |
| 35 View v; |
| 36 EXPECT_EQ(NULL, v.GetWidget()); |
| 37 EXPECT_EQ(0, v.child_count()); |
| 38 |
| 39 View child1; |
| 40 v.AddChildView(&child1); |
| 41 EXPECT_EQ(1, v.child_count()); |
| 42 EXPECT_EQ(&v, child1.parent()); |
| 43 |
| 44 View child2; |
| 45 v.AddChildViewAt(&child2, 0); |
| 46 EXPECT_EQ(2, v.child_count()); |
| 47 EXPECT_EQ(child1.parent(), child2.parent()); |
| 48 |
| 49 v.RemoveChildView(&child2); |
| 50 EXPECT_EQ(1, v.child_count()); |
| 51 EXPECT_EQ(NULL, child2.parent()); |
| 52 |
| 53 //v.RemoveAllChildViews(false); |
| 54 //EXPECT_EQ(0, v.child_count()); |
| 55 } |
| 56 |
| 57 class ObserverView : public View { |
| 58 public: |
| 59 ObserverView() |
| 60 : view_added_(false), |
| 61 view_removed_(false), |
| 62 subject_view_(NULL) {} |
| 63 virtual ~ObserverView() {} |
| 64 |
| 65 void ResetTestState() { |
| 66 view_added_ = false; |
| 67 view_removed_ = false; |
| 68 subject_view_ = NULL; |
| 69 } |
| 70 |
| 71 // Overridden from View: |
| 72 virtual void OnViewAdded(View* parent, View* child) { |
| 73 subject_view_ = child; |
| 74 view_added_ = true; |
| 75 view_removed_ = false; |
| 76 } |
| 77 virtual void OnViewRemoved(View* parent, View* child) { |
| 78 subject_view_ = child; |
| 79 view_removed_ = true; |
| 80 view_added_ = false; |
| 81 } |
| 82 |
| 83 bool view_added() const { return view_added_; } |
| 84 bool view_removed() const { return view_removed_; } |
| 85 View* subject_view() const { return subject_view_; } |
| 86 |
| 87 private: |
| 88 bool view_added_; |
| 89 bool view_removed_; |
| 90 View* subject_view_; |
| 91 |
| 92 DISALLOW_COPY_AND_ASSIGN(ObserverView); |
| 93 }; |
| 94 |
| 95 class WidgetObserverView : public View { |
| 96 public: |
| 97 WidgetObserverView() : in_widget_(false) {} |
| 98 virtual ~WidgetObserverView() {} |
| 99 |
| 100 // Overridden from View: |
| 101 virtual void OnViewAddedToWidget() { |
| 102 in_widget_ = true; |
| 103 } |
| 104 virtual void OnViewRemovedFromWidget() { |
| 105 in_widget_ = false; |
| 106 } |
| 107 |
| 108 bool in_widget() const { return in_widget_; } |
| 109 |
| 110 private: |
| 111 bool in_widget_; |
| 112 |
| 113 DISALLOW_COPY_AND_ASSIGN(WidgetObserverView); |
| 114 }; |
| 115 |
| 116 /* |
| 117 TEST_F(ViewTest, HierarchyObserver) { |
| 118 ObserverView ov; |
| 119 Widget widget(&ov); |
| 120 widget.InitWithNativeViewParent(NULL, gfx::Rect(20, 20, 400, 400)); |
| 121 |
| 122 // |ov|'s addition to the RootView's hierarchy should have caused these values |
| 123 // to be set. |
| 124 EXPECT_TRUE(ov.view_added()); |
| 125 EXPECT_FALSE(ov.view_removed()); |
| 126 EXPECT_EQ(&ov, ov.subject_view()); |
| 127 |
| 128 ov.ResetTestState(); |
| 129 |
| 130 // Direct descendants. |
| 131 View v2; |
| 132 ov.AddChildView(&v2); |
| 133 EXPECT_TRUE(ov.view_added()); |
| 134 EXPECT_FALSE(ov.view_removed()); |
| 135 EXPECT_EQ(&v2, ov.subject_view()); |
| 136 |
| 137 ov.ResetTestState(); |
| 138 |
| 139 // Nested Views and Widget addition. |
| 140 WidgetObserverView v3; |
| 141 EXPECT_FALSE(v3.in_widget()); |
| 142 v2.AddChildView(&v3); |
| 143 EXPECT_TRUE(v3.in_widget()); |
| 144 EXPECT_EQ(&widget, v3.GetWidget()); |
| 145 EXPECT_TRUE(ov.view_added()); |
| 146 EXPECT_FALSE(ov.view_removed()); |
| 147 EXPECT_EQ(&v3, ov.subject_view()); |
| 148 |
| 149 ov.ResetTestState(); |
| 150 |
| 151 // Removal and Widget removal. |
| 152 ov.RemoveChildView(&v2); |
| 153 EXPECT_FALSE(ov.view_added()); |
| 154 EXPECT_TRUE(ov.view_removed()); |
| 155 EXPECT_EQ(&v2, ov.subject_view()); |
| 156 |
| 157 EXPECT_FALSE(v3.in_widget()); |
| 158 EXPECT_EQ(NULL, v3.GetWidget()); |
| 159 } |
| 160 */ |
| 161 |
| 162 TEST_F(ViewTest, Ids) { |
| 163 const int kV1Id = 1; |
| 164 const int kV2Id = 2; |
| 165 const int kV3Id = 3; |
| 166 const int kV4Id = 4; |
| 167 const int kV5Id = 5; |
| 168 const int kGroupId = 1; |
| 169 View v1; |
| 170 v1.set_id(kV1Id); |
| 171 View v2; |
| 172 v2.set_id(kV2Id); |
| 173 View v3; |
| 174 v3.set_id(kV3Id); |
| 175 v3.set_group(kGroupId); |
| 176 View v4; |
| 177 v4.set_id(kV4Id); |
| 178 v4.set_group(kGroupId); |
| 179 v1.AddChildView(&v2); |
| 180 v2.AddChildView(&v3); |
| 181 v2.AddChildView(&v4); |
| 182 |
| 183 EXPECT_EQ(&v4, v1.GetViewById(kV4Id)); |
| 184 EXPECT_EQ(&v1, v1.GetViewById(kV1Id)); |
| 185 EXPECT_EQ(NULL, v1.GetViewById(kV5Id)); // No V5 exists. |
| 186 |
| 187 View::ViewVector vec; |
| 188 v1.GetViewsWithGroup(kGroupId, &vec); |
| 189 EXPECT_EQ(2, vec.size()); |
| 190 View::ViewVector::const_iterator it = find(vec.begin(), vec.end(), &v3); |
| 191 EXPECT_NE(vec.end(), it); |
| 192 it = find(vec.begin(), vec.end(), &v4); |
| 193 EXPECT_NE(vec.end(), it); |
| 194 } |
| 195 |
| 196 TEST_F(ViewTest, EventHandlers) { |
| 197 |
| 198 } |
| 199 |
| 200 TEST_F(ViewTest, Painting) { |
| 201 |
| 202 } |
| 203 |
| 204 } // namespace ui |
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