| /* |
| * 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 "third_party/blink/renderer/core/layout/overflow_model.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/renderer/platform/geometry/layout_rect.h" |
| |
| namespace blink { |
| namespace { |
| |
| LayoutRect InitialLayoutOverflow() { |
| return LayoutRect(10, 10, 80, 80); |
| } |
| |
| LayoutRect InitialVisualOverflow() { |
| return LayoutRect(0, 0, 100, 100); |
| } |
| |
| class SimpleOverflowModelTest : public testing::Test { |
| protected: |
| SimpleOverflowModelTest() |
| : layout_overflow_(InitialLayoutOverflow()), |
| visual_overflow_(InitialVisualOverflow()) {} |
| SimpleLayoutOverflowModel layout_overflow_; |
| SimpleVisualOverflowModel visual_overflow_; |
| }; |
| |
| TEST_F(SimpleOverflowModelTest, InitialOverflowRects) { |
| EXPECT_EQ(InitialLayoutOverflow(), layout_overflow_.LayoutOverflowRect()); |
| EXPECT_EQ(InitialVisualOverflow(), visual_overflow_.VisualOverflowRect()); |
| } |
| |
| TEST_F(SimpleOverflowModelTest, AddLayoutOverflowOutsideExpandsRect) { |
| layout_overflow_.AddLayoutOverflow(LayoutRect(0, 10, 30, 10)); |
| EXPECT_EQ(LayoutRect(0, 10, 90, 80), layout_overflow_.LayoutOverflowRect()); |
| } |
| |
| TEST_F(SimpleOverflowModelTest, AddLayoutOverflowInsideDoesNotAffectRect) { |
| layout_overflow_.AddLayoutOverflow(LayoutRect(50, 50, 10, 20)); |
| EXPECT_EQ(InitialLayoutOverflow(), layout_overflow_.LayoutOverflowRect()); |
| } |
| |
| TEST_F(SimpleOverflowModelTest, 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. |
| layout_overflow_.AddLayoutOverflow(LayoutRect(200, 200, 0, 0)); |
| EXPECT_EQ(LayoutRect(10, 10, 190, 190), |
| layout_overflow_.LayoutOverflowRect()); |
| } |
| |
| TEST_F(SimpleOverflowModelTest, AddVisualOverflowOutsideExpandsRect) { |
| visual_overflow_.AddVisualOverflow(LayoutRect(150, -50, 10, 10)); |
| EXPECT_EQ(LayoutRect(0, -50, 160, 150), |
| visual_overflow_.VisualOverflowRect()); |
| } |
| |
| TEST_F(SimpleOverflowModelTest, AddVisualOverflowInsideDoesNotAffectRect) { |
| visual_overflow_.AddVisualOverflow(LayoutRect(0, 10, 90, 90)); |
| EXPECT_EQ(InitialVisualOverflow(), visual_overflow_.VisualOverflowRect()); |
| } |
| |
| TEST_F(SimpleOverflowModelTest, AddVisualOverflowEmpty) { |
| visual_overflow_.SetVisualOverflow(LayoutRect(0, 0, 600, 0)); |
| visual_overflow_.AddVisualOverflow(LayoutRect(100, -50, 100, 100)); |
| visual_overflow_.AddVisualOverflow(LayoutRect(300, 300, 0, 10000)); |
| EXPECT_EQ(LayoutRect(100, -50, 100, 100), |
| visual_overflow_.VisualOverflowRect()); |
| } |
| |
| TEST_F(SimpleOverflowModelTest, MoveAffectsLayoutOverflow) { |
| layout_overflow_.Move(LayoutUnit(500), LayoutUnit(100)); |
| EXPECT_EQ(LayoutRect(510, 110, 80, 80), |
| layout_overflow_.LayoutOverflowRect()); |
| } |
| |
| class BoxOverflowModelTest : public testing::Test { |
| protected: |
| BoxOverflowModelTest() |
| : layout_overflow_(InitialLayoutOverflow()), |
| visual_overflow_(InitialVisualOverflow()) {} |
| BoxLayoutOverflowModel layout_overflow_; |
| BoxVisualOverflowModel visual_overflow_; |
| }; |
| |
| TEST_F(BoxOverflowModelTest, InitialOverflowRects) { |
| EXPECT_EQ(InitialLayoutOverflow(), layout_overflow_.LayoutOverflowRect()); |
| EXPECT_EQ(InitialVisualOverflow(), visual_overflow_.SelfVisualOverflowRect()); |
| EXPECT_TRUE(visual_overflow_.ContentsVisualOverflowRect().IsEmpty()); |
| } |
| |
| TEST_F(BoxOverflowModelTest, AddLayoutOverflowOutsideExpandsRect) { |
| layout_overflow_.AddLayoutOverflow(LayoutRect(0, 10, 30, 10)); |
| EXPECT_EQ(LayoutRect(0, 10, 90, 80), layout_overflow_.LayoutOverflowRect()); |
| } |
| |
| TEST_F(BoxOverflowModelTest, AddLayoutOverflowInsideDoesNotAffectRect) { |
| layout_overflow_.AddLayoutOverflow(LayoutRect(50, 50, 10, 20)); |
| EXPECT_EQ(InitialLayoutOverflow(), layout_overflow_.LayoutOverflowRect()); |
| } |
| |
| TEST_F(BoxOverflowModelTest, 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. |
| layout_overflow_.AddLayoutOverflow(LayoutRect(200, 200, 0, 0)); |
| EXPECT_EQ(LayoutRect(10, 10, 190, 190), |
| layout_overflow_.LayoutOverflowRect()); |
| } |
| |
| TEST_F(BoxOverflowModelTest, AddSelfVisualOverflowOutsideExpandsRect) { |
| visual_overflow_.AddSelfVisualOverflow(LayoutRect(150, -50, 10, 10)); |
| EXPECT_EQ(LayoutRect(0, -50, 160, 150), |
| visual_overflow_.SelfVisualOverflowRect()); |
| } |
| |
| TEST_F(BoxOverflowModelTest, AddSelfVisualOverflowInsideDoesNotAffectRect) { |
| visual_overflow_.AddSelfVisualOverflow(LayoutRect(0, 10, 90, 90)); |
| EXPECT_EQ(InitialVisualOverflow(), visual_overflow_.SelfVisualOverflowRect()); |
| } |
| |
| TEST_F(BoxOverflowModelTest, AddSelfVisualOverflowEmpty) { |
| BoxVisualOverflowModel visual_overflow(LayoutRect(0, 0, 600, 0)); |
| visual_overflow.AddSelfVisualOverflow(LayoutRect(100, -50, 100, 100)); |
| visual_overflow.AddSelfVisualOverflow(LayoutRect(300, 300, 0, 10000)); |
| EXPECT_EQ(LayoutRect(100, -50, 100, 100), |
| visual_overflow.SelfVisualOverflowRect()); |
| } |
| |
| TEST_F(BoxOverflowModelTest, |
| AddSelfVisualOverflowDoesNotAffectContentsVisualOverflow) { |
| visual_overflow_.AddSelfVisualOverflow(LayoutRect(300, 300, 300, 300)); |
| EXPECT_TRUE(visual_overflow_.ContentsVisualOverflowRect().IsEmpty()); |
| } |
| |
| TEST_F(BoxOverflowModelTest, AddContentsVisualOverflowFirstCall) { |
| visual_overflow_.AddContentsVisualOverflow(LayoutRect(0, 0, 10, 10)); |
| EXPECT_EQ(LayoutRect(0, 0, 10, 10), |
| visual_overflow_.ContentsVisualOverflowRect()); |
| } |
| |
| TEST_F(BoxOverflowModelTest, AddContentsVisualOverflowUnitesRects) { |
| visual_overflow_.AddContentsVisualOverflow(LayoutRect(0, 0, 10, 10)); |
| visual_overflow_.AddContentsVisualOverflow(LayoutRect(80, 80, 10, 10)); |
| EXPECT_EQ(LayoutRect(0, 0, 90, 90), |
| visual_overflow_.ContentsVisualOverflowRect()); |
| } |
| |
| TEST_F(BoxOverflowModelTest, AddContentsVisualOverflowRectWithinRect) { |
| visual_overflow_.AddContentsVisualOverflow(LayoutRect(0, 0, 10, 10)); |
| visual_overflow_.AddContentsVisualOverflow(LayoutRect(2, 2, 5, 5)); |
| EXPECT_EQ(LayoutRect(0, 0, 10, 10), |
| visual_overflow_.ContentsVisualOverflowRect()); |
| } |
| |
| TEST_F(BoxOverflowModelTest, AddContentsVisualOverflowEmpty) { |
| visual_overflow_.AddContentsVisualOverflow(LayoutRect(0, 0, 10, 10)); |
| visual_overflow_.AddContentsVisualOverflow(LayoutRect(20, 20, 0, 0)); |
| EXPECT_EQ(LayoutRect(0, 0, 10, 10), |
| visual_overflow_.ContentsVisualOverflowRect()); |
| } |
| |
| TEST_F(BoxOverflowModelTest, MoveAffectsLayoutOverflow) { |
| layout_overflow_.Move(LayoutUnit(500), LayoutUnit(100)); |
| EXPECT_EQ(LayoutRect(510, 110, 80, 80), |
| layout_overflow_.LayoutOverflowRect()); |
| } |
| |
| TEST_F(BoxOverflowModelTest, MoveAffectsSelfVisualOverflow) { |
| visual_overflow_.Move(LayoutUnit(500), LayoutUnit(100)); |
| EXPECT_EQ(LayoutRect(500, 100, 100, 100), |
| visual_overflow_.SelfVisualOverflowRect()); |
| } |
| |
| TEST_F(BoxOverflowModelTest, MoveAffectsContentsVisualOverflow) { |
| visual_overflow_.AddContentsVisualOverflow(LayoutRect(0, 0, 10, 10)); |
| visual_overflow_.Move(LayoutUnit(500), LayoutUnit(100)); |
| EXPECT_EQ(LayoutRect(500, 100, 10, 10), |
| visual_overflow_.ContentsVisualOverflowRect()); |
| } |
| |
| } // anonymous namespace |
| } // namespace blink |