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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_constraint_space.h" | 5 #include "core/layout/ng/ng_constraint_space.h" |
6 | 6 |
7 #include "core/layout/ng/ng_constraint_space.h" | 7 #include "core/layout/ng/ng_constraint_space.h" |
8 #include "core/layout/ng/ng_layout_opportunity_iterator.h" | 8 #include "core/layout/ng/ng_layout_opportunity_iterator.h" |
9 #include "core/layout/ng/ng_physical_constraint_space.h" | 9 #include "core/layout/ng/ng_physical_constraint_space.h" |
10 #include "testing/gtest/include/gtest/gtest.h" | 10 #include "testing/gtest/include/gtest/gtest.h" |
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190 | 190 |
191 // 4th Start point | 191 // 4th Start point |
192 EXPECT_EQ("0,300 600x50", OpportunityToString(iterator->Next())); | 192 EXPECT_EQ("0,300 600x50", OpportunityToString(iterator->Next())); |
193 EXPECT_EQ("0,300 500x100", OpportunityToString(iterator->Next())); | 193 EXPECT_EQ("0,300 500x100", OpportunityToString(iterator->Next())); |
194 | 194 |
195 // Iterator is exhausted. | 195 // Iterator is exhausted. |
196 EXPECT_EQ("(empty)", OpportunityToString(iterator->Next())); | 196 EXPECT_EQ("(empty)", OpportunityToString(iterator->Next())); |
197 } | 197 } |
198 | 198 |
199 // This test is the same as LayoutOpportunitiesTwoInMiddle with the only | 199 // This test is the same as LayoutOpportunitiesTwoInMiddle with the only |
200 // difference that NGLayoutOpportunityIterator takes 2 additional arguments: | 200 // difference that NGLayoutOpportunityIterator takes the additional argument |
201 // - origin_point that changes the iterator to return Layout Opportunities that | 201 // origin_point that changes the iterator to return Layout Opportunities that |
202 // lay after the origin point. | 202 // lay after the origin point. |
203 // - leader_point that together with origin_point creates a temporary exclusion | |
204 // | 203 // |
205 // Expected: | 204 // Expected: |
206 // Layout opportunity iterator generates the next opportunities: | 205 // Layout opportunity iterator generates the next opportunities: |
207 // - 1st Start Point (0, 200): 350x150, 250x200 | 206 // - 1st Start Point (0, 200): 150x200 |
| 207 // - 2nd Start Point (250, 200): 350x150, 250x200 |
208 // - 3rd Start Point (550, 200): 50x200 | 208 // - 3rd Start Point (550, 200): 50x200 |
209 // - 4th Start Point (0, 300): 600x50, 500x100 | 209 // - 4th Start Point (0, 300): 600x50, 500x100 |
210 // All other opportunities that are located before the origin point should be | 210 // All other opportunities that are located before the origin point should be |
211 // filtered out. | 211 // filtered out. |
212 TEST(NGConstraintSpaceTest, LayoutOpportunitiesTwoInMiddleWithOriginAndLeader) { | 212 TEST(NGConstraintSpaceTest, LayoutOpportunitiesTwoInMiddleWithOrigin) { |
213 NGPhysicalSize physical_size; | 213 NGPhysicalSize physical_size; |
214 physical_size.width = LayoutUnit(600); | 214 physical_size.width = LayoutUnit(600); |
215 physical_size.height = LayoutUnit(400); | 215 physical_size.height = LayoutUnit(400); |
216 | 216 |
217 auto* space = | 217 auto* space = |
218 ConstructConstraintSpace(HorizontalTopBottom, LeftToRight, physical_size); | 218 ConstructConstraintSpace(HorizontalTopBottom, LeftToRight, physical_size); |
219 // Add exclusions | 219 // Add exclusions |
220 NGLogicalRect exclusion1; | 220 NGLogicalRect exclusion1; |
221 exclusion1.size = {/* inline_size */ LayoutUnit(100), | 221 exclusion1.size = {/* inline_size */ LayoutUnit(100), |
222 /* block_size */ LayoutUnit(100)}; | 222 /* block_size */ LayoutUnit(100)}; |
223 exclusion1.offset = {/* inline_offset */ LayoutUnit(150), | 223 exclusion1.offset = {/* inline_offset */ LayoutUnit(150), |
224 /* block_offset */ LayoutUnit(200)}; | 224 /* block_offset */ LayoutUnit(200)}; |
225 space->AddExclusion(exclusion1); | 225 space->AddExclusion(exclusion1); |
226 NGLogicalRect exclusion2; | 226 NGLogicalRect exclusion2; |
227 exclusion2.size = {/* inline_size */ LayoutUnit(50), | 227 exclusion2.size = {/* inline_size */ LayoutUnit(50), |
228 /* block_size */ LayoutUnit(50)}; | 228 /* block_size */ LayoutUnit(50)}; |
229 exclusion2.offset = {/* inline_offset */ LayoutUnit(500), | 229 exclusion2.offset = {/* inline_offset */ LayoutUnit(500), |
230 /* block_offset */ LayoutUnit(350)}; | 230 /* block_offset */ LayoutUnit(350)}; |
231 space->AddExclusion(exclusion2); | 231 space->AddExclusion(exclusion2); |
232 | 232 |
233 const NGLogicalOffset origin_point = {LayoutUnit(0), LayoutUnit(200)}; | 233 const NGLogicalOffset origin_point = {LayoutUnit(0), LayoutUnit(200)}; |
234 const NGLogicalOffset leader_point = {LayoutUnit(250), LayoutUnit(300)}; | 234 auto* iterator = new NGLayoutOpportunityIterator(space, origin_point); |
235 auto* iterator = | |
236 new NGLayoutOpportunityIterator(space, origin_point, leader_point); | |
237 | 235 |
238 // 1st Start Point | 236 // 1st Start Point |
| 237 EXPECT_EQ("0,200 150x200", OpportunityToString(iterator->Next())); |
| 238 |
| 239 // 2nd Start Point |
239 EXPECT_EQ("250,200 350x150", OpportunityToString(iterator->Next())); | 240 EXPECT_EQ("250,200 350x150", OpportunityToString(iterator->Next())); |
240 EXPECT_EQ("250,200 250x200", OpportunityToString(iterator->Next())); | 241 EXPECT_EQ("250,200 250x200", OpportunityToString(iterator->Next())); |
241 | 242 |
242 // 2nd Start Point | 243 // 3rd Start Point |
243 EXPECT_EQ("550,200 50x200", OpportunityToString(iterator->Next())); | 244 EXPECT_EQ("550,200 50x200", OpportunityToString(iterator->Next())); |
244 | 245 |
245 // 3rd Start Point | 246 // 4th Start Point |
246 EXPECT_EQ("0,300 600x50", OpportunityToString(iterator->Next())); | 247 EXPECT_EQ("0,300 600x50", OpportunityToString(iterator->Next())); |
247 EXPECT_EQ("0,300 500x100", OpportunityToString(iterator->Next())); | 248 EXPECT_EQ("0,300 500x100", OpportunityToString(iterator->Next())); |
248 | 249 |
249 // Iterator is exhausted. | 250 // Iterator is exhausted. |
250 EXPECT_EQ("(empty)", OpportunityToString(iterator->Next())); | 251 EXPECT_EQ("(empty)", OpportunityToString(iterator->Next())); |
251 } | 252 } |
252 | 253 |
253 // Verifies that Layout Opportunity iterator ignores the exclusion that is not | 254 // Verifies that Layout Opportunity iterator ignores the exclusion that is not |
254 // within constraint space. | 255 // within constraint space. |
255 // | 256 // |
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280 space->AddExclusion(exclusion); | 281 space->AddExclusion(exclusion); |
281 | 282 |
282 auto* iterator = space->LayoutOpportunities(); | 283 auto* iterator = space->LayoutOpportunities(); |
283 | 284 |
284 EXPECT_EQ("0,0 600x100", OpportunityToString(iterator->Next())); | 285 EXPECT_EQ("0,0 600x100", OpportunityToString(iterator->Next())); |
285 EXPECT_EQ("(empty)", OpportunityToString(iterator->Next())); | 286 EXPECT_EQ("(empty)", OpportunityToString(iterator->Next())); |
286 } | 287 } |
287 | 288 |
288 } // namespace | 289 } // namespace |
289 } // namespace blink | 290 } // namespace blink |
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