| // Copyright 2016 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 "core/layout/ng/ng_length_utils.h" |
| |
| #include "core/layout/ng/ng_constraint_space.h" |
| #include "core/layout/ng/ng_margin_strut.h" |
| #include "core/style/ComputedStyle.h" |
| #include "platform/CalculationValue.h" |
| #include "platform/LayoutUnit.h" |
| #include "platform/Length.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "wtf/RefPtr.h" |
| |
| namespace blink { |
| namespace { |
| |
| class NGLengthUtilsTest : public ::testing::Test { |
| protected: |
| void SetUp() override { style_ = ComputedStyle::create(); } |
| |
| static NGConstraintSpace constructConstraintSpace(int inline_size, |
| int block_size) { |
| NGLogicalSize container_size; |
| container_size.inline_size = LayoutUnit(inline_size); |
| container_size.block_size = LayoutUnit(block_size); |
| return NGConstraintSpace(container_size); |
| } |
| |
| LayoutUnit resolveInlineLength( |
| const Length& length, |
| LengthResolveType type = LengthResolveType::ContentSize) { |
| NGConstraintSpace constraintSpace = constructConstraintSpace(200, 300); |
| return ::blink::resolveInlineLength(constraintSpace, length, type); |
| } |
| |
| LayoutUnit resolveBlockLength( |
| const Length& length, |
| LengthResolveType type = LengthResolveType::ContentSize, |
| LayoutUnit contentSize = LayoutUnit()) { |
| NGConstraintSpace constraintSpace = constructConstraintSpace(200, 300); |
| return ::blink::resolveBlockLength(constraintSpace, length, contentSize, |
| type); |
| } |
| |
| LayoutUnit computeInlineSizeForFragment( |
| const NGConstraintSpace constraintSpace = constructConstraintSpace(200, |
| 300)) { |
| return ::blink::computeInlineSizeForFragment(constraintSpace, *style_); |
| } |
| |
| LayoutUnit computeBlockSizeForFragment( |
| const NGConstraintSpace constraintSpace = constructConstraintSpace(200, |
| 300), |
| LayoutUnit contentSize = LayoutUnit()) { |
| return ::blink::computeBlockSizeForFragment(constraintSpace, *style_, |
| contentSize); |
| } |
| |
| RefPtr<ComputedStyle> style_; |
| }; |
| |
| TEST_F(NGLengthUtilsTest, testResolveInlineLength) { |
| EXPECT_EQ(LayoutUnit(60), resolveInlineLength(Length(30, Percent))); |
| EXPECT_EQ(LayoutUnit(150), resolveInlineLength(Length(150, Fixed))); |
| EXPECT_EQ(LayoutUnit(0), |
| resolveInlineLength(Length(Auto), LengthResolveType::MinSize)); |
| EXPECT_EQ(LayoutUnit(200), resolveInlineLength(Length(Auto))); |
| EXPECT_EQ(LayoutUnit(200), resolveInlineLength(Length(FillAvailable))); |
| |
| EXPECT_EQ(LayoutUnit(200), |
| resolveInlineLength(Length(Auto), LengthResolveType::MaxSize)); |
| EXPECT_EQ(LayoutUnit(200), resolveInlineLength(Length(FillAvailable), |
| LengthResolveType::MaxSize)); |
| } |
| |
| TEST_F(NGLengthUtilsTest, testResolveBlockLength) { |
| EXPECT_EQ(LayoutUnit(90), resolveBlockLength(Length(30, Percent))); |
| EXPECT_EQ(LayoutUnit(150), resolveBlockLength(Length(150, Fixed))); |
| EXPECT_EQ(LayoutUnit(0), resolveBlockLength(Length(Auto))); |
| EXPECT_EQ(LayoutUnit(300), resolveBlockLength(Length(FillAvailable))); |
| |
| EXPECT_EQ(LayoutUnit(0), |
| resolveBlockLength(Length(Auto), LengthResolveType::ContentSize)); |
| EXPECT_EQ(LayoutUnit(300), |
| resolveBlockLength(Length(FillAvailable), |
| LengthResolveType::ContentSize)); |
| } |
| |
| TEST_F(NGLengthUtilsTest, testComputeInlineSizeForFragment) { |
| style_->setLogicalWidth(Length(30, Percent)); |
| EXPECT_EQ(LayoutUnit(60), computeInlineSizeForFragment()); |
| |
| style_->setLogicalWidth(Length(150, Fixed)); |
| EXPECT_EQ(LayoutUnit(150), computeInlineSizeForFragment()); |
| |
| style_->setLogicalWidth(Length(Auto)); |
| EXPECT_EQ(LayoutUnit(200), computeInlineSizeForFragment()); |
| |
| style_->setLogicalWidth(Length(FillAvailable)); |
| EXPECT_EQ(LayoutUnit(200), computeInlineSizeForFragment()); |
| |
| style_->setLogicalWidth(Length(CalculationValue::create( |
| PixelsAndPercent(100, -10), ValueRangeNonNegative))); |
| EXPECT_EQ(LayoutUnit(80), computeInlineSizeForFragment()); |
| |
| NGConstraintSpace constraintSpace = constructConstraintSpace(120, 120); |
| constraintSpace.setFixedSize(true, true); |
| style_->setLogicalWidth(Length(150, Fixed)); |
| EXPECT_EQ(LayoutUnit(120), computeInlineSizeForFragment(constraintSpace)); |
| |
| style_->setLogicalWidth(Length(200, Fixed)); |
| style_->setMaxWidth(Length(80, Percent)); |
| EXPECT_EQ(LayoutUnit(160), computeInlineSizeForFragment()); |
| |
| style_->setLogicalWidth(Length(100, Fixed)); |
| style_->setMinWidth(Length(80, Percent)); |
| EXPECT_EQ(LayoutUnit(160), computeInlineSizeForFragment()); |
| |
| // TODO(layout-ng): test {min,max}-content on max-width. |
| } |
| |
| TEST_F(NGLengthUtilsTest, testComputeBlockSizeForFragment) { |
| style_->setLogicalHeight(Length(30, Percent)); |
| EXPECT_EQ(LayoutUnit(90), computeBlockSizeForFragment()); |
| |
| style_->setLogicalHeight(Length(150, Fixed)); |
| EXPECT_EQ(LayoutUnit(150), computeBlockSizeForFragment()); |
| |
| style_->setLogicalHeight(Length(Auto)); |
| EXPECT_EQ(LayoutUnit(0), computeBlockSizeForFragment()); |
| |
| style_->setLogicalHeight(Length(Auto)); |
| EXPECT_EQ(LayoutUnit(120), |
| computeBlockSizeForFragment(constructConstraintSpace(200, 300), |
| LayoutUnit(120))); |
| |
| style_->setLogicalHeight(Length(FillAvailable)); |
| EXPECT_EQ(LayoutUnit(300), computeBlockSizeForFragment()); |
| |
| style_->setLogicalHeight(Length(CalculationValue::create( |
| PixelsAndPercent(100, -10), ValueRangeNonNegative))); |
| EXPECT_EQ(LayoutUnit(70), computeBlockSizeForFragment()); |
| |
| NGConstraintSpace constraintSpace = constructConstraintSpace(200, 200); |
| constraintSpace.setFixedSize(true, true); |
| style_->setLogicalHeight(Length(150, Fixed)); |
| EXPECT_EQ(LayoutUnit(200), computeBlockSizeForFragment(constraintSpace)); |
| |
| style_->setLogicalHeight(Length(300, Fixed)); |
| style_->setMaxHeight(Length(80, Percent)); |
| EXPECT_EQ(LayoutUnit(240), computeBlockSizeForFragment()); |
| |
| style_->setLogicalHeight(Length(100, Fixed)); |
| style_->setMinHeight(Length(80, Percent)); |
| EXPECT_EQ(LayoutUnit(240), computeBlockSizeForFragment()); |
| |
| // TODO(layout-ng): test {min,max}-content on max-height. |
| } |
| |
| TEST_F(NGLengthUtilsTest, testIndefinitePercentages) { |
| style_->setMinHeight(Length(20, Fixed)); |
| style_->setHeight(Length(20, Percent)); |
| |
| EXPECT_EQ(NGSizeIndefinite, |
| computeBlockSizeForFragment(constructConstraintSpace(200, -1), |
| LayoutUnit(-1))); |
| EXPECT_EQ(LayoutUnit(20), |
| computeBlockSizeForFragment(constructConstraintSpace(200, -1), |
| LayoutUnit(10))); |
| EXPECT_EQ(LayoutUnit(120), |
| computeBlockSizeForFragment(constructConstraintSpace(200, -1), |
| LayoutUnit(120))); |
| } |
| |
| TEST_F(NGLengthUtilsTest, testMargins) { |
| style_->setMarginTop(Length(10, Percent)); |
| style_->setMarginRight(Length(52, Fixed)); |
| style_->setMarginBottom(Length(Auto)); |
| style_->setMarginLeft(Length(11, Percent)); |
| |
| NGConstraintSpace constraintSpace(constructConstraintSpace(200, 300)); |
| |
| NGBoxMargins margins = computeMargins(constraintSpace, *style_); |
| |
| EXPECT_EQ(LayoutUnit(20), margins.block_start); |
| EXPECT_EQ(LayoutUnit(52), margins.inline_end); |
| EXPECT_EQ(LayoutUnit(), margins.block_end); |
| EXPECT_EQ(LayoutUnit(22), margins.inline_start); |
| } |
| |
| } // namespace |
| } // namespace blink |