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// Copyright (c) 2011 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 <algorithm>
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/canvas.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget.h"
namespace ui {
class ViewTest : public testing::Test {
public:
ViewTest() {}
virtual ~ViewTest() {}
private:
DISALLOW_COPY_AND_ASSIGN(ViewTest);
};
TEST_F(ViewTest, SizeAndDisposition) {
View v;
EXPECT_TRUE(v.bounds().IsEmpty());
EXPECT_TRUE(v.visible());
v.SetBounds(gfx::Rect(10, 10, 200, 200));
EXPECT_EQ(200, v.width());
EXPECT_TRUE(v.GetPreferredSize().IsEmpty());
}
TEST_F(ViewTest, TreeOperations) {
View v;
EXPECT_EQ(NULL, v.GetWidget());
EXPECT_TRUE(v.children_empty());
View child1;
v.AddChildView(&child1);
EXPECT_EQ(1, v.children_size());
EXPECT_EQ(&v, child1.parent());
View child2;
v.AddChildViewAt(&child2, 0);
EXPECT_EQ(2, v.children_size());
EXPECT_EQ(child1.parent(), child2.parent());
v.RemoveChildView(&child2, false);
EXPECT_EQ(1, v.children_size());
EXPECT_EQ(NULL, child2.parent());
//v.RemoveAllChildViews(false);
//EXPECT_TRUE(v.children_empty());
}
class ObserverView : public View {
public:
ObserverView()
: view_added_(false),
view_removed_(false),
subject_view_(NULL) {}
virtual ~ObserverView() {}
void ResetTestState() {
view_added_ = false;
view_removed_ = false;
subject_view_ = NULL;
}
// Overridden from View:
virtual void OnViewAdded(View* parent, View* child) {
subject_view_ = child;
view_added_ = true;
view_removed_ = false;
}
virtual void OnViewRemoved(View* parent, View* child) {
subject_view_ = child;
view_removed_ = true;
view_added_ = false;
}
bool view_added() const { return view_added_; }
bool view_removed() const { return view_removed_; }
View* subject_view() const { return subject_view_; }
private:
bool view_added_;
bool view_removed_;
View* subject_view_;
DISALLOW_COPY_AND_ASSIGN(ObserverView);
};
class WidgetObserverView : public View {
public:
WidgetObserverView() : in_widget_(false) {}
virtual ~WidgetObserverView() {}
// Overridden from View:
virtual void OnViewAddedToWidget() {
in_widget_ = true;
}
virtual void OnViewRemovedFromWidget() {
in_widget_ = false;
}
bool in_widget() const { return in_widget_; }
private:
bool in_widget_;
DISALLOW_COPY_AND_ASSIGN(WidgetObserverView);
};
/*
TEST_F(ViewTest, HierarchyObserver) {
ObserverView ov;
Widget widget(&ov);
widget.InitWithNativeViewParent(NULL, gfx::Rect(20, 20, 400, 400));
// |ov|'s addition to the RootView's hierarchy should have caused these values
// to be set.
EXPECT_TRUE(ov.view_added());
EXPECT_FALSE(ov.view_removed());
EXPECT_EQ(&ov, ov.subject_view());
ov.ResetTestState();
// Direct descendants.
View v2;
ov.AddChildView(&v2);
EXPECT_TRUE(ov.view_added());
EXPECT_FALSE(ov.view_removed());
EXPECT_EQ(&v2, ov.subject_view());
ov.ResetTestState();
// Nested Views and Widget addition.
WidgetObserverView v3;
EXPECT_FALSE(v3.in_widget());
v2.AddChildView(&v3);
EXPECT_TRUE(v3.in_widget());
EXPECT_EQ(&widget, v3.GetWidget());
EXPECT_TRUE(ov.view_added());
EXPECT_FALSE(ov.view_removed());
EXPECT_EQ(&v3, ov.subject_view());
ov.ResetTestState();
// Removal and Widget removal.
ov.RemoveChildView(&v2);
EXPECT_FALSE(ov.view_added());
EXPECT_TRUE(ov.view_removed());
EXPECT_EQ(&v2, ov.subject_view());
EXPECT_FALSE(v3.in_widget());
EXPECT_EQ(NULL, v3.GetWidget());
}
*/
TEST_F(ViewTest, IDs) {
const int kV1ID = 1;
const int kV2ID = 2;
const int kV3ID = 3;
const int kV4ID = 4;
const int kV5ID = 5;
const int kGroupID = 1;
View v1;
v1.set_id(kV1ID);
View v2;
v2.set_id(kV2ID);
View v3;
v3.set_id(kV3ID);
v3.set_group(kGroupID);
View v4;
v4.set_id(kV4ID);
v4.set_group(kGroupID);
v1.AddChildView(&v2);
v2.AddChildView(&v3);
v2.AddChildView(&v4);
EXPECT_EQ(&v4, v1.GetViewByID(kV4ID));
EXPECT_EQ(&v1, v1.GetViewByID(kV1ID));
EXPECT_EQ(NULL, v1.GetViewByID(kV5ID)); // No V5 exists.
View::Views views;
v1.GetViewsInGroup(kGroupID, &views);
EXPECT_EQ(2, views.size());
View::Views::const_iterator it = std::find(views.begin(), views.end(), &v3);
EXPECT_NE(views.end(), it);
it = std::find(views.begin(), views.end(), &v4);
EXPECT_NE(views.end(), it);
}
TEST_F(ViewTest, EventHandlers) {
}
TEST_F(ViewTest, Painting) {
}
} // namespace ui
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