| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "core/rendering/RenderOverflow.h" |
| |
| #include "core/platform/graphics/LayoutRect.h" |
| |
| #include <gtest/gtest.h> |
| |
| using namespace WebCore; |
| |
| namespace WebCore { |
| |
| // FIXME: Move this somewhere more generic. |
| void PrintTo(const LayoutRect& rect, std::ostream* os) |
| { |
| *os << "LayoutRect(" |
| << rect.x().toFloat() << ", " |
| << rect.y().toFloat() << ", " |
| << rect.width().toFloat() << ", " |
| << rect.height().toFloat() << ")"; |
| } |
| |
| } // namespace WebCore |
| |
| namespace { |
| |
| LayoutRect initialLayoutOverflow() |
| { |
| return LayoutRect(10, 10, 80, 80); |
| } |
| |
| LayoutRect initialVisualOverflow() |
| { |
| return LayoutRect(0, 0, 100, 100); |
| } |
| |
| class RenderOverflowTest : public testing::Test { |
| protected: |
| RenderOverflowTest() : m_overflow(initialLayoutOverflow(), initialVisualOverflow()) { } |
| RenderOverflow m_overflow; |
| }; |
| |
| TEST_F(RenderOverflowTest, InitialOverflowRects) |
| { |
| EXPECT_EQ(initialLayoutOverflow(), m_overflow.layoutOverflowRect()); |
| EXPECT_EQ(initialVisualOverflow(), m_overflow.visualOverflowRect()); |
| EXPECT_TRUE(m_overflow.contentsVisualOverflowRect().isEmpty()); |
| } |
| |
| TEST_F(RenderOverflowTest, AddLayoutOverflowOutsideExpandsRect) |
| { |
| m_overflow.addLayoutOverflow(LayoutRect(0, 10, 30, 10)); |
| EXPECT_EQ(LayoutRect(0, 10, 90, 80), m_overflow.layoutOverflowRect()); |
| } |
| |
| TEST_F(RenderOverflowTest, AddLayoutOverflowInsideDoesNotAffectRect) |
| { |
| m_overflow.addLayoutOverflow(LayoutRect(50, 50, 10, 20)); |
| EXPECT_EQ(initialLayoutOverflow(), m_overflow.layoutOverflowRect()); |
| } |
| |
| TEST_F(RenderOverflowTest, AddLayoutOverflowEmpty) |
| { |
| // This test documents the existing behavior so that we are aware when/if |
| // it changes. It would also be reasonable for addLayoutOverflow to be |
| // a no-op in this situation. |
| m_overflow.addLayoutOverflow(LayoutRect(200, 200, 0, 0)); |
| EXPECT_EQ(LayoutRect(10, 10, 190, 190), m_overflow.layoutOverflowRect()); |
| } |
| |
| TEST_F(RenderOverflowTest, AddLayoutOverflowDoesNotAffectVisualOverflow) |
| { |
| m_overflow.addLayoutOverflow(LayoutRect(300, 300, 300, 300)); |
| EXPECT_EQ(initialVisualOverflow(), m_overflow.visualOverflowRect()); |
| } |
| |
| TEST_F(RenderOverflowTest, AddLayoutOverflowDoesNotAffectContentsVisualOverflow) |
| { |
| m_overflow.addLayoutOverflow(LayoutRect(300, 300, 300, 300)); |
| EXPECT_TRUE(m_overflow.contentsVisualOverflowRect().isEmpty()); |
| } |
| |
| TEST_F(RenderOverflowTest, AddVisualOverflowOutsideExpandsRect) |
| { |
| m_overflow.addVisualOverflow(LayoutRect(150, -50, 10, 10)); |
| EXPECT_EQ(LayoutRect(0, -50, 160, 150), m_overflow.visualOverflowRect()); |
| } |
| |
| TEST_F(RenderOverflowTest, AddVisualOverflowInsideDoesNotAffectRect) |
| { |
| m_overflow.addVisualOverflow(LayoutRect(0, 10, 90, 90)); |
| EXPECT_EQ(initialVisualOverflow(), m_overflow.visualOverflowRect()); |
| } |
| |
| TEST_F(RenderOverflowTest, AddVisualOverflowEmpty) |
| { |
| // This test documents the existing behavior so that we are aware when/if |
| // it changes. It would also be reasonable for addVisualOverflow to be |
| // a no-op in this situation. |
| m_overflow.addVisualOverflow(LayoutRect(200, 200, 0, 0)); |
| EXPECT_EQ(LayoutRect(0, 0, 200, 200), m_overflow.visualOverflowRect()); |
| } |
| |
| TEST_F(RenderOverflowTest, AddVisualOverflowDoesNotAffectLayoutOverflow) |
| { |
| m_overflow.addVisualOverflow(LayoutRect(300, 300, 300, 300)); |
| EXPECT_EQ(initialLayoutOverflow(), m_overflow.layoutOverflowRect()); |
| } |
| |
| TEST_F(RenderOverflowTest, AddVisualOverflowDoesNotAffectContentsVisualOverflow) |
| { |
| m_overflow.addVisualOverflow(LayoutRect(300, 300, 300, 300)); |
| EXPECT_TRUE(m_overflow.contentsVisualOverflowRect().isEmpty()); |
| } |
| |
| TEST_F(RenderOverflowTest, AddContentsVisualOverflowFirstCall) |
| { |
| m_overflow.addContentsVisualOverflow(LayoutRect(0, 0, 10, 10)); |
| EXPECT_EQ(LayoutRect(0, 0, 10, 10), m_overflow.contentsVisualOverflowRect()); |
| } |
| |
| TEST_F(RenderOverflowTest, AddContentsVisualOverflowUnitesRects) |
| { |
| m_overflow.addContentsVisualOverflow(LayoutRect(0, 0, 10, 10)); |
| m_overflow.addContentsVisualOverflow(LayoutRect(80, 80, 10, 10)); |
| EXPECT_EQ(LayoutRect(0, 0, 90, 90), m_overflow.contentsVisualOverflowRect()); |
| } |
| |
| TEST_F(RenderOverflowTest, AddContentsVisualOverflowRectWithinRect) |
| { |
| m_overflow.addContentsVisualOverflow(LayoutRect(0, 0, 10, 10)); |
| m_overflow.addContentsVisualOverflow(LayoutRect(2, 2, 5, 5)); |
| EXPECT_EQ(LayoutRect(0, 0, 10, 10), m_overflow.contentsVisualOverflowRect()); |
| } |
| |
| TEST_F(RenderOverflowTest, AddContentsVisualOverflowEmpty) |
| { |
| // This test documents the existing behavior so that we are aware when/if |
| // it changes. It would also be reasonable for addContentsVisualOverflow to |
| // expand in this situation. |
| m_overflow.addContentsVisualOverflow(LayoutRect(0, 0, 10, 10)); |
| m_overflow.addContentsVisualOverflow(LayoutRect(20, 20, 0, 0)); |
| EXPECT_EQ(LayoutRect(0, 0, 10, 10), m_overflow.contentsVisualOverflowRect()); |
| } |
| |
| TEST_F(RenderOverflowTest, MoveAffectsLayoutOverflow) |
| { |
| m_overflow.move(500, 100); |
| EXPECT_EQ(LayoutRect(510, 110, 80, 80), m_overflow.layoutOverflowRect()); |
| } |
| |
| TEST_F(RenderOverflowTest, MoveAffectsVisualOverflow) |
| { |
| m_overflow.move(500, 100); |
| EXPECT_EQ(LayoutRect(500, 100, 100, 100), m_overflow.visualOverflowRect()); |
| } |
| |
| TEST_F(RenderOverflowTest, MoveAffectsContentsVisualOverflow) |
| { |
| m_overflow.addContentsVisualOverflow(LayoutRect(0, 0, 10, 10)); |
| m_overflow.move(500, 100); |
| EXPECT_EQ(LayoutRect(500, 100, 10, 10), m_overflow.contentsVisualOverflowRect()); |
| } |
| |
| } // namespace |