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// Copyright (c) 2010 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 "testing/gtest/include/gtest/gtest.h"
#include "views/box_layout.h"
#include "views/view.h"
class StaticSizedView : public views::View {
public:
explicit StaticSizedView(const gfx::Size& size)
: size_(size) { }
virtual gfx::Size GetPreferredSize() {
return size_;
}
private:
gfx::Size size_;
};
class BoxLayoutTest : public testing::Test {
public:
virtual void SetUp() {
host_.reset(new views::View);
}
scoped_ptr<views::View> host_;
scoped_ptr<views::BoxLayout> layout_;
};
TEST_F(BoxLayoutTest, Empty) {
layout_.reset(
new views::BoxLayout(views::BoxLayout::kHorizontal, 10, 10, 20));
EXPECT_EQ(gfx::Size(20, 20), layout_->GetPreferredSize(host_.get()));
}
TEST_F(BoxLayoutTest, AlignmentHorizontal) {
layout_.reset(new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0, 0));
views::View* v1 = new StaticSizedView(gfx::Size(10, 20));
host_->AddChildView(v1);
views::View* v2 = new StaticSizedView(gfx::Size(10, 10));
host_->AddChildView(v2);
EXPECT_EQ(gfx::Size(20, 20), layout_->GetPreferredSize(host_.get()));
host_->SetBounds(0, 0, 20, 20);
layout_->Layout(host_.get());
EXPECT_EQ(gfx::Rect(0, 0, 10, 20), v1->bounds());
EXPECT_EQ(gfx::Rect(10, 0, 10, 20), v2->bounds());
}
TEST_F(BoxLayoutTest, AlignmentVertical) {
layout_.reset(new views::BoxLayout(views::BoxLayout::kVertical, 0, 0, 0));
views::View* v1 = new StaticSizedView(gfx::Size(20, 10));
host_->AddChildView(v1);
views::View* v2 = new StaticSizedView(gfx::Size(10, 10));
host_->AddChildView(v2);
EXPECT_EQ(gfx::Size(20, 20), layout_->GetPreferredSize(host_.get()));
host_->SetBounds(0, 0, 20, 20);
layout_->Layout(host_.get());
EXPECT_EQ(gfx::Rect(0, 0, 20, 10), v1->bounds());
EXPECT_EQ(gfx::Rect(0, 10, 20, 10), v2->bounds());
}
TEST_F(BoxLayoutTest, Spacing) {
layout_.reset(new views::BoxLayout(views::BoxLayout::kHorizontal, 7, 7, 8));
views::View* v1 = new StaticSizedView(gfx::Size(10, 20));
host_->AddChildView(v1);
views::View* v2 = new StaticSizedView(gfx::Size(10, 20));
host_->AddChildView(v2);
EXPECT_EQ(gfx::Size(42, 34), layout_->GetPreferredSize(host_.get()));
host_->SetBounds(0, 0, 100, 100);
layout_->Layout(host_.get());
EXPECT_EQ(gfx::Rect(7, 7, 10, 86), v1->bounds());
EXPECT_EQ(gfx::Rect(25, 7, 10, 86), v2->bounds());
}
TEST_F(BoxLayoutTest, Overflow) {
layout_.reset(new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0, 0));
views::View* v1 = new StaticSizedView(gfx::Size(20, 20));
host_->AddChildView(v1);
views::View* v2 = new StaticSizedView(gfx::Size(10, 20));
host_->AddChildView(v2);
host_->SetBounds(0, 0, 10, 10);
layout_->Layout(host_.get());
EXPECT_EQ(gfx::Rect(0, 0, 10, 10), v1->bounds());
EXPECT_EQ(gfx::Rect(0, 0, 0, 0), v2->bounds());
}
TEST_F(BoxLayoutTest, NoSpace) {
layout_.reset(
new views::BoxLayout(views::BoxLayout::kHorizontal, 10, 10, 10));
views::View* childView = new StaticSizedView(gfx::Size(20, 20));
host_->AddChildView(childView);
host_->SetBounds(0, 0, 10, 10);
layout_->Layout(host_.get());
EXPECT_EQ(gfx::Rect(0, 0, 0, 0), childView->bounds());
}
TEST_F(BoxLayoutTest, InvisibleChild) {
layout_.reset(
new views::BoxLayout(views::BoxLayout::kHorizontal, 10, 10, 10));
views::View* v1 = new StaticSizedView(gfx::Size(20, 20));
v1->SetVisible(false);
host_->AddChildView(v1);
views::View* v2 = new StaticSizedView(gfx::Size(10, 10));
host_->AddChildView(v2);
EXPECT_EQ(gfx::Size(30, 30), layout_->GetPreferredSize(host_.get()));
host_->SetBounds(0, 0, 30, 30);
layout_->Layout(host_.get());
EXPECT_EQ(gfx::Rect(10, 10, 10, 10), v2->bounds());
}
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