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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_block_layout_algorithm.h" | 5 #include "core/layout/ng/ng_block_layout_algorithm.h" |
6 | 6 |
7 #include "core/layout/ng/ng_box.h" | 7 #include "core/layout/ng/ng_box.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_physical_fragment.h" | 9 #include "core/layout/ng/ng_physical_fragment.h" |
10 #include "core/layout/ng/ng_length_utils.h" | 10 #include "core/layout/ng/ng_length_utils.h" |
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178 ASSERT_EQ(frag->Children().size(), 2UL); | 178 ASSERT_EQ(frag->Children().size(), 2UL); |
179 | 179 |
180 const NGPhysicalFragmentBase* child = frag->Children()[0]; | 180 const NGPhysicalFragmentBase* child = frag->Children()[0]; |
181 EXPECT_EQ(child->Height(), kHeight); | 181 EXPECT_EQ(child->Height(), kHeight); |
182 EXPECT_EQ(child->TopOffset(), 0); | 182 EXPECT_EQ(child->TopOffset(), 0); |
183 | 183 |
184 child = frag->Children()[1]; | 184 child = frag->Children()[1]; |
185 EXPECT_EQ(child->Height(), kHeight); | 185 EXPECT_EQ(child->Height(), kHeight); |
186 EXPECT_EQ(child->TopOffset(), kHeight + kExpectedCollapsedMargin); | 186 EXPECT_EQ(child->TopOffset(), kHeight + kExpectedCollapsedMargin); |
187 } | 187 } |
| 188 |
| 189 // Verifies that a box's size includes its borders and padding, and that |
| 190 // children are positioned inside the content box. |
| 191 // |
| 192 // Test case's HTML representation: |
| 193 // <style> |
| 194 // #div1 { width:100px; height:100px; } |
| 195 // #div1 { border-style:solid; border-width:1px 2px 3px 4px; } |
| 196 // #div1 { padding:5px 6px 7px 8px; } |
| 197 // </style> |
| 198 // <div id="div1"> |
| 199 // <div id="div2"></div> |
| 200 // </div> |
| 201 TEST_F(NGBlockLayoutAlgorithmTest, BorderAndPadding) { |
| 202 const int kWidth = 100; |
| 203 const int kHeight = 100; |
| 204 const int kBorderTop = 1; |
| 205 const int kBorderRight = 2; |
| 206 const int kBorderBottom = 3; |
| 207 const int kBorderLeft = 4; |
| 208 const int kPaddingTop = 5; |
| 209 const int kPaddingRight = 6; |
| 210 const int kPaddingBottom = 7; |
| 211 const int kPaddingLeft = 8; |
| 212 RefPtr<ComputedStyle> div1_style = ComputedStyle::create(); |
| 213 |
| 214 div1_style->setWidth(Length(kWidth, Fixed)); |
| 215 div1_style->setHeight(Length(kHeight, Fixed)); |
| 216 |
| 217 div1_style->setBorderTopWidth(kBorderTop); |
| 218 div1_style->setBorderTopStyle(BorderStyleSolid); |
| 219 div1_style->setBorderRightWidth(kBorderRight); |
| 220 div1_style->setBorderRightStyle(BorderStyleSolid); |
| 221 div1_style->setBorderBottomWidth(kBorderBottom); |
| 222 div1_style->setBorderBottomStyle(BorderStyleSolid); |
| 223 div1_style->setBorderLeftWidth(kBorderLeft); |
| 224 div1_style->setBorderLeftStyle(BorderStyleSolid); |
| 225 |
| 226 div1_style->setPaddingTop(Length(kPaddingTop, Fixed)); |
| 227 div1_style->setPaddingRight(Length(kPaddingRight, Fixed)); |
| 228 div1_style->setPaddingBottom(Length(kPaddingBottom, Fixed)); |
| 229 div1_style->setPaddingLeft(Length(kPaddingLeft, Fixed)); |
| 230 NGBox* div1 = new NGBox(div1_style.get()); |
| 231 |
| 232 RefPtr<ComputedStyle> div2_style = ComputedStyle::create(); |
| 233 NGBox* div2 = new NGBox(div2_style.get()); |
| 234 |
| 235 div1->SetFirstChild(div2); |
| 236 |
| 237 NGConstraintSpace* space = new NGConstraintSpace( |
| 238 HorizontalTopBottom, NGLogicalSize(LayoutUnit(1000), NGSizeIndefinite)); |
| 239 NGBlockLayoutAlgorithm algorithm(style_, div1); |
| 240 NGPhysicalFragment* frag; |
| 241 while (!algorithm.Layout(space, &frag)) |
| 242 ; |
| 243 |
| 244 ASSERT_EQ(frag->Children().size(), 1UL); |
| 245 |
| 246 // div1 |
| 247 const NGPhysicalFragmentBase* child = frag->Children()[0]; |
| 248 EXPECT_EQ(kBorderLeft + kPaddingLeft + kWidth + kPaddingRight + kBorderRight, |
| 249 child->Width()); |
| 250 EXPECT_EQ(kBorderTop + kPaddingTop + kHeight + kPaddingBottom + kBorderBottom, |
| 251 child->Height()); |
| 252 |
| 253 ASSERT_TRUE(child->Type() == NGPhysicalFragmentBase::FragmentBox); |
| 254 ASSERT_EQ(static_cast<const NGPhysicalFragment*>(child)->Children().size(), |
| 255 1UL); |
| 256 |
| 257 // div2 |
| 258 child = static_cast<const NGPhysicalFragment*>(child)->Children()[0]; |
| 259 EXPECT_EQ(kBorderTop + kPaddingTop, child->TopOffset()); |
| 260 EXPECT_EQ(kBorderLeft + kPaddingLeft, child->LeftOffset()); |
| 261 } |
188 } // namespace | 262 } // namespace |
189 } // namespace blink | 263 } // namespace blink |
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