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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "core/layout/ng/ng_length_utils.h" | 5 #include "core/layout/ng/ng_length_utils.h" |
6 | 6 |
7 #include "core/layout/ng/ng_box_fragment.h" | 7 #include "core/layout/ng/ng_box_fragment.h" |
8 #include "core/layout/ng/ng_constraint_space.h" | 8 #include "core/layout/ng/ng_constraint_space.h" |
9 #include "core/layout/ng/ng_constraint_space_builder.h" | 9 #include "core/layout/ng/ng_constraint_space_builder.h" |
10 #include "core/layout/ng/ng_fragment_builder.h" | 10 #include "core/layout/ng/ng_fragment_builder.h" |
11 #include "core/layout/ng/ng_physical_box_fragment.h" | 11 #include "core/layout/ng/ng_physical_box_fragment.h" |
12 #include "core/layout/ng/ng_units.h" | |
13 #include "core/style/ComputedStyle.h" | 12 #include "core/style/ComputedStyle.h" |
14 #include "platform/CalculationValue.h" | 13 #include "platform/CalculationValue.h" |
15 #include "platform/LayoutUnit.h" | 14 #include "platform/LayoutUnit.h" |
16 #include "platform/Length.h" | 15 #include "platform/Length.h" |
17 #include "testing/gtest/include/gtest/gtest.h" | 16 #include "testing/gtest/include/gtest/gtest.h" |
18 #include "wtf/RefPtr.h" | 17 #include "wtf/RefPtr.h" |
19 | 18 |
20 namespace blink { | 19 namespace blink { |
21 namespace { | 20 namespace { |
22 | 21 |
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34 .SetPercentageResolutionSize( | 33 .SetPercentageResolutionSize( |
35 NGLogicalSize(LayoutUnit(inline_size), LayoutUnit(block_size))) | 34 NGLogicalSize(LayoutUnit(inline_size), LayoutUnit(block_size))) |
36 .SetIsFixedSizeInline(fixed_inline) | 35 .SetIsFixedSizeInline(fixed_inline) |
37 .SetIsFixedSizeBlock(fixed_block) | 36 .SetIsFixedSizeBlock(fixed_block) |
38 .ToConstraintSpace(kHorizontalTopBottom); | 37 .ToConstraintSpace(kHorizontalTopBottom); |
39 } | 38 } |
40 | 39 |
41 LayoutUnit ResolveInlineLength( | 40 LayoutUnit ResolveInlineLength( |
42 const Length& length, | 41 const Length& length, |
43 LengthResolveType type = LengthResolveType::kContentSize, | 42 LengthResolveType type = LengthResolveType::kContentSize, |
44 const WTF::Optional<MinAndMaxContentSizes>& sizes = WTF::nullopt) { | 43 const WTF::Optional<MinMaxContentSize>& sizes = WTF::nullopt) { |
45 NGConstraintSpace* constraintSpace = ConstructConstraintSpace(200, 300); | 44 NGConstraintSpace* constraintSpace = ConstructConstraintSpace(200, 300); |
46 return ::blink::ResolveInlineLength(*constraintSpace, *style_, sizes, | 45 return ::blink::ResolveInlineLength(*constraintSpace, *style_, sizes, |
47 length, type); | 46 length, type); |
48 } | 47 } |
49 | 48 |
50 LayoutUnit ResolveBlockLength( | 49 LayoutUnit ResolveBlockLength( |
51 const Length& length, | 50 const Length& length, |
52 LengthResolveType type = LengthResolveType::kContentSize, | 51 LengthResolveType type = LengthResolveType::kContentSize, |
53 LayoutUnit contentSize = LayoutUnit()) { | 52 LayoutUnit contentSize = LayoutUnit()) { |
54 NGConstraintSpace* constraintSpace = ConstructConstraintSpace(200, 300); | 53 NGConstraintSpace* constraintSpace = ConstructConstraintSpace(200, 300); |
55 return ::blink::ResolveBlockLength(*constraintSpace, *style_, length, | 54 return ::blink::ResolveBlockLength(*constraintSpace, *style_, length, |
56 contentSize, type); | 55 contentSize, type); |
57 } | 56 } |
58 | 57 |
59 LayoutUnit ComputeInlineSizeForFragment( | 58 LayoutUnit ComputeInlineSizeForFragment( |
60 const NGConstraintSpace* constraintSpace = ConstructConstraintSpace(200, | 59 const NGConstraintSpace* constraintSpace = ConstructConstraintSpace(200, |
61 300), | 60 300), |
62 const MinAndMaxContentSizes& sizes = MinAndMaxContentSizes()) { | 61 const MinMaxContentSize& sizes = MinMaxContentSize()) { |
63 return ::blink::ComputeInlineSizeForFragment(*constraintSpace, *style_, | 62 return ::blink::ComputeInlineSizeForFragment(*constraintSpace, *style_, |
64 sizes); | 63 sizes); |
65 } | 64 } |
66 | 65 |
67 LayoutUnit ComputeBlockSizeForFragment( | 66 LayoutUnit ComputeBlockSizeForFragment( |
68 const NGConstraintSpace* constraintSpace = ConstructConstraintSpace(200, | 67 const NGConstraintSpace* constraintSpace = ConstructConstraintSpace(200, |
69 300), | 68 300), |
70 LayoutUnit contentSize = LayoutUnit()) { | 69 LayoutUnit contentSize = LayoutUnit()) { |
71 return ::blink::ComputeBlockSizeForFragment(*constraintSpace, *style_, | 70 return ::blink::ComputeBlockSizeForFragment(*constraintSpace, *style_, |
72 contentSize); | 71 contentSize); |
73 } | 72 } |
74 | 73 |
75 RefPtr<ComputedStyle> style_; | 74 RefPtr<ComputedStyle> style_; |
76 }; | 75 }; |
77 | 76 |
78 TEST_F(NGLengthUtilsTest, testResolveInlineLength) { | 77 TEST_F(NGLengthUtilsTest, testResolveInlineLength) { |
79 EXPECT_EQ(LayoutUnit(60), ResolveInlineLength(Length(30, Percent))); | 78 EXPECT_EQ(LayoutUnit(60), ResolveInlineLength(Length(30, Percent))); |
80 EXPECT_EQ(LayoutUnit(150), ResolveInlineLength(Length(150, Fixed))); | 79 EXPECT_EQ(LayoutUnit(150), ResolveInlineLength(Length(150, Fixed))); |
81 EXPECT_EQ(LayoutUnit(0), | 80 EXPECT_EQ(LayoutUnit(0), |
82 ResolveInlineLength(Length(Auto), LengthResolveType::kMinSize)); | 81 ResolveInlineLength(Length(Auto), LengthResolveType::kMinSize)); |
83 EXPECT_EQ(LayoutUnit(200), ResolveInlineLength(Length(Auto))); | 82 EXPECT_EQ(LayoutUnit(200), ResolveInlineLength(Length(Auto))); |
84 EXPECT_EQ(LayoutUnit(200), ResolveInlineLength(Length(FillAvailable))); | 83 EXPECT_EQ(LayoutUnit(200), ResolveInlineLength(Length(FillAvailable))); |
85 | 84 |
86 EXPECT_EQ(LayoutUnit(200), | 85 EXPECT_EQ(LayoutUnit(200), |
87 ResolveInlineLength(Length(Auto), LengthResolveType::kMaxSize)); | 86 ResolveInlineLength(Length(Auto), LengthResolveType::kMaxSize)); |
88 EXPECT_EQ(LayoutUnit(200), ResolveInlineLength(Length(FillAvailable), | 87 EXPECT_EQ(LayoutUnit(200), ResolveInlineLength(Length(FillAvailable), |
89 LengthResolveType::kMaxSize)); | 88 LengthResolveType::kMaxSize)); |
90 MinAndMaxContentSizes sizes; | 89 MinMaxContentSize sizes; |
91 sizes.min_content = LayoutUnit(30); | 90 sizes.min_content = LayoutUnit(30); |
92 sizes.max_content = LayoutUnit(40); | 91 sizes.max_content = LayoutUnit(40); |
93 EXPECT_EQ(LayoutUnit(30), | 92 EXPECT_EQ(LayoutUnit(30), |
94 ResolveInlineLength(Length(MinContent), | 93 ResolveInlineLength(Length(MinContent), |
95 LengthResolveType::kContentSize, sizes)); | 94 LengthResolveType::kContentSize, sizes)); |
96 EXPECT_EQ(LayoutUnit(40), | 95 EXPECT_EQ(LayoutUnit(40), |
97 ResolveInlineLength(Length(MaxContent), | 96 ResolveInlineLength(Length(MaxContent), |
98 LengthResolveType::kContentSize, sizes)); | 97 LengthResolveType::kContentSize, sizes)); |
99 EXPECT_EQ(LayoutUnit(40), | 98 EXPECT_EQ(LayoutUnit(40), |
100 ResolveInlineLength(Length(FitContent), | 99 ResolveInlineLength(Length(FitContent), |
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116 EXPECT_EQ(LayoutUnit(300), ResolveBlockLength(Length(FillAvailable))); | 115 EXPECT_EQ(LayoutUnit(300), ResolveBlockLength(Length(FillAvailable))); |
117 | 116 |
118 EXPECT_EQ(LayoutUnit(0), | 117 EXPECT_EQ(LayoutUnit(0), |
119 ResolveBlockLength(Length(Auto), LengthResolveType::kContentSize)); | 118 ResolveBlockLength(Length(Auto), LengthResolveType::kContentSize)); |
120 EXPECT_EQ(LayoutUnit(300), | 119 EXPECT_EQ(LayoutUnit(300), |
121 ResolveBlockLength(Length(FillAvailable), | 120 ResolveBlockLength(Length(FillAvailable), |
122 LengthResolveType::kContentSize)); | 121 LengthResolveType::kContentSize)); |
123 } | 122 } |
124 | 123 |
125 TEST_F(NGLengthUtilsTest, testComputeContentContribution) { | 124 TEST_F(NGLengthUtilsTest, testComputeContentContribution) { |
126 MinAndMaxContentSizes sizes; | 125 MinMaxContentSize sizes; |
127 sizes.min_content = LayoutUnit(30); | 126 sizes.min_content = LayoutUnit(30); |
128 sizes.max_content = LayoutUnit(40); | 127 sizes.max_content = LayoutUnit(40); |
129 | 128 |
130 MinAndMaxContentSizes expected{LayoutUnit(), LayoutUnit()}; | 129 MinMaxContentSize expected{LayoutUnit(), LayoutUnit()}; |
131 style_->setLogicalWidth(Length(30, Percent)); | 130 style_->setLogicalWidth(Length(30, Percent)); |
132 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); | 131 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); |
133 | 132 |
134 style_->setLogicalWidth(Length(FillAvailable)); | 133 style_->setLogicalWidth(Length(FillAvailable)); |
135 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); | 134 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); |
136 | 135 |
137 expected = MinAndMaxContentSizes{LayoutUnit(150), LayoutUnit(150)}; | 136 expected = MinMaxContentSize{LayoutUnit(150), LayoutUnit(150)}; |
138 style_->setLogicalWidth(Length(150, Fixed)); | 137 style_->setLogicalWidth(Length(150, Fixed)); |
139 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); | 138 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); |
140 | 139 |
141 expected = sizes; | 140 expected = sizes; |
142 style_->setLogicalWidth(Length(Auto)); | 141 style_->setLogicalWidth(Length(Auto)); |
143 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); | 142 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); |
144 | 143 |
145 expected = MinAndMaxContentSizes{LayoutUnit(430), LayoutUnit(440)}; | 144 expected = MinMaxContentSize{LayoutUnit(430), LayoutUnit(440)}; |
146 style_->setPaddingLeft(Length(400, Fixed)); | 145 style_->setPaddingLeft(Length(400, Fixed)); |
147 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); | 146 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); |
148 | 147 |
149 expected = MinAndMaxContentSizes{LayoutUnit(100), LayoutUnit(100)}; | 148 expected = MinMaxContentSize{LayoutUnit(100), LayoutUnit(100)}; |
150 style_->setPaddingLeft(Length(0, Fixed)); | 149 style_->setPaddingLeft(Length(0, Fixed)); |
151 style_->setLogicalWidth(Length(CalculationValue::create( | 150 style_->setLogicalWidth(Length(CalculationValue::create( |
152 PixelsAndPercent(100, -10), ValueRangeNonNegative))); | 151 PixelsAndPercent(100, -10), ValueRangeNonNegative))); |
153 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); | 152 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); |
154 | 153 |
155 expected = MinAndMaxContentSizes{LayoutUnit(30), LayoutUnit(35)}; | 154 expected = MinMaxContentSize{LayoutUnit(30), LayoutUnit(35)}; |
156 style_->setLogicalWidth(Length(Auto)); | 155 style_->setLogicalWidth(Length(Auto)); |
157 style_->setMaxWidth(Length(35, Fixed)); | 156 style_->setMaxWidth(Length(35, Fixed)); |
158 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); | 157 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); |
159 | 158 |
160 expected = MinAndMaxContentSizes{LayoutUnit(80), LayoutUnit(80)}; | 159 expected = MinMaxContentSize{LayoutUnit(80), LayoutUnit(80)}; |
161 style_->setLogicalWidth(Length(50, Fixed)); | 160 style_->setLogicalWidth(Length(50, Fixed)); |
162 style_->setMinWidth(Length(80, Fixed)); | 161 style_->setMinWidth(Length(80, Fixed)); |
163 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); | 162 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); |
164 | 163 |
165 expected = MinAndMaxContentSizes{LayoutUnit(150), LayoutUnit(150)}; | 164 expected = MinMaxContentSize{LayoutUnit(150), LayoutUnit(150)}; |
166 style_ = ComputedStyle::create(); | 165 style_ = ComputedStyle::create(); |
167 style_->setLogicalWidth(Length(100, Fixed)); | 166 style_->setLogicalWidth(Length(100, Fixed)); |
168 style_->setPaddingLeft(Length(50, Fixed)); | 167 style_->setPaddingLeft(Length(50, Fixed)); |
169 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); | 168 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); |
170 | 169 |
171 expected = MinAndMaxContentSizes{LayoutUnit(100), LayoutUnit(100)}; | 170 expected = MinMaxContentSize{LayoutUnit(100), LayoutUnit(100)}; |
172 style_->setBoxSizing(EBoxSizing::kBorderBox); | 171 style_->setBoxSizing(EBoxSizing::kBorderBox); |
173 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); | 172 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); |
174 | 173 |
175 // Content size should never be below zero, even with box-sizing: border-box | 174 // Content size should never be below zero, even with box-sizing: border-box |
176 // and a large padding... | 175 // and a large padding... |
177 expected = MinAndMaxContentSizes{LayoutUnit(400), LayoutUnit(400)}; | 176 expected = MinMaxContentSize{LayoutUnit(400), LayoutUnit(400)}; |
178 style_->setPaddingLeft(Length(400, Fixed)); | 177 style_->setPaddingLeft(Length(400, Fixed)); |
179 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); | 178 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); |
180 | 179 |
181 expected.min_content = expected.max_content = | 180 expected.min_content = expected.max_content = |
182 sizes.min_content + LayoutUnit(400); | 181 sizes.min_content + LayoutUnit(400); |
183 style_->setLogicalWidth(Length(MinContent)); | 182 style_->setLogicalWidth(Length(MinContent)); |
184 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); | 183 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); |
185 style_->setLogicalWidth(Length(100, Fixed)); | 184 style_->setLogicalWidth(Length(100, Fixed)); |
186 style_->setMaxWidth(Length(MaxContent)); | 185 style_->setMaxWidth(Length(MaxContent)); |
187 // Due to padding and box-sizing, width computes to 400px and max-width to | 186 // Due to padding and box-sizing, width computes to 400px and max-width to |
188 // 440px, so the result is 400. | 187 // 440px, so the result is 400. |
189 expected = MinAndMaxContentSizes{LayoutUnit(400), LayoutUnit(400)}; | 188 expected = MinMaxContentSize{LayoutUnit(400), LayoutUnit(400)}; |
190 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); | 189 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); |
191 expected = MinAndMaxContentSizes{LayoutUnit(40), LayoutUnit(40)}; | 190 expected = MinMaxContentSize{LayoutUnit(40), LayoutUnit(40)}; |
192 style_->setPaddingLeft(Length(0, Fixed)); | 191 style_->setPaddingLeft(Length(0, Fixed)); |
193 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); | 192 EXPECT_EQ(expected, ComputeMinAndMaxContentContribution(*style_, sizes)); |
194 } | 193 } |
195 | 194 |
196 TEST_F(NGLengthUtilsTest, testComputeInlineSizeForFragment) { | 195 TEST_F(NGLengthUtilsTest, testComputeInlineSizeForFragment) { |
197 MinAndMaxContentSizes sizes; | 196 MinMaxContentSize sizes; |
198 sizes.min_content = LayoutUnit(30); | 197 sizes.min_content = LayoutUnit(30); |
199 sizes.max_content = LayoutUnit(40); | 198 sizes.max_content = LayoutUnit(40); |
200 | 199 |
201 style_->setLogicalWidth(Length(30, Percent)); | 200 style_->setLogicalWidth(Length(30, Percent)); |
202 EXPECT_EQ(LayoutUnit(60), ComputeInlineSizeForFragment()); | 201 EXPECT_EQ(LayoutUnit(60), ComputeInlineSizeForFragment()); |
203 | 202 |
204 style_->setLogicalWidth(Length(150, Fixed)); | 203 style_->setLogicalWidth(Length(150, Fixed)); |
205 EXPECT_EQ(LayoutUnit(150), ComputeInlineSizeForFragment()); | 204 EXPECT_EQ(LayoutUnit(150), ComputeInlineSizeForFragment()); |
206 | 205 |
207 style_->setLogicalWidth(Length(Auto)); | 206 style_->setLogicalWidth(Length(Auto)); |
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490 EXPECT_EQ(125, GetUsedColumnWidth(4, 100, 10, 530)); | 489 EXPECT_EQ(125, GetUsedColumnWidth(4, 100, 10, 530)); |
491 EXPECT_EQ(4, GetUsedColumnCount(4, 100, 10, 530)); | 490 EXPECT_EQ(4, GetUsedColumnCount(4, 100, 10, 530)); |
492 EXPECT_EQ(100, GetUsedColumnWidth(6, 100, 10, 540)); | 491 EXPECT_EQ(100, GetUsedColumnWidth(6, 100, 10, 540)); |
493 EXPECT_EQ(5, GetUsedColumnCount(6, 100, 10, 540)); | 492 EXPECT_EQ(5, GetUsedColumnCount(6, 100, 10, 540)); |
494 EXPECT_EQ(100, GetUsedColumnWidth(0, 100, 10, 540)); | 493 EXPECT_EQ(100, GetUsedColumnWidth(0, 100, 10, 540)); |
495 EXPECT_EQ(5, GetUsedColumnCount(0, 100, 10, 540)); | 494 EXPECT_EQ(5, GetUsedColumnCount(0, 100, 10, 540)); |
496 } | 495 } |
497 | 496 |
498 } // namespace | 497 } // namespace |
499 } // namespace blink | 498 } // namespace blink |
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