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Issue 6685072: Move a bunch more random files from chrome\renderer to content\renderer. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 9 years, 9 months ago
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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "chrome/renderer/paint_aggregator.h"
6 #include "testing/gtest/include/gtest/gtest.h"
7
8 TEST(PaintAggregator, InitialState) {
9 PaintAggregator greg;
10 EXPECT_FALSE(greg.HasPendingUpdate());
11 }
12
13 TEST(PaintAggregator, SingleInvalidation) {
14 PaintAggregator greg;
15
16 gfx::Rect rect(2, 4, 10, 16);
17 greg.InvalidateRect(rect);
18
19 EXPECT_TRUE(greg.HasPendingUpdate());
20 PaintAggregator::PendingUpdate update;
21 greg.PopPendingUpdate(&update);
22
23 EXPECT_TRUE(update.scroll_rect.IsEmpty());
24 ASSERT_EQ(1U, update.paint_rects.size());
25
26 EXPECT_EQ(rect, update.paint_rects[0]);
27 }
28
29 TEST(PaintAggregator, DoubleDisjointInvalidation) {
30 PaintAggregator greg;
31
32 gfx::Rect r1(2, 4, 2, 40);
33 gfx::Rect r2(4, 2, 40, 2);
34
35 greg.InvalidateRect(r1);
36 greg.InvalidateRect(r2);
37
38 gfx::Rect expected_bounds = r1.Union(r2);
39
40 EXPECT_TRUE(greg.HasPendingUpdate());
41 PaintAggregator::PendingUpdate update;
42 greg.PopPendingUpdate(&update);
43
44 EXPECT_TRUE(update.scroll_rect.IsEmpty());
45 EXPECT_EQ(2U, update.paint_rects.size());
46
47 EXPECT_EQ(expected_bounds, update.GetPaintBounds());
48 }
49
50 TEST(PaintAggregator, DisjointInvalidationsCombined) {
51 PaintAggregator greg;
52
53 // Make the rectangles such that they don't overlap but cover a very large
54 // percentage of the area of covered by their union. This is so we're not
55 // very sensitive to the combining heuristic in the paint aggregator.
56 gfx::Rect r1(2, 4, 2, 1000);
57 gfx::Rect r2(5, 2, 2, 1000);
58
59 greg.InvalidateRect(r1);
60 greg.InvalidateRect(r2);
61
62 gfx::Rect expected_bounds = r1.Union(r2);
63
64 EXPECT_TRUE(greg.HasPendingUpdate());
65 PaintAggregator::PendingUpdate update;
66 greg.PopPendingUpdate(&update);
67
68 EXPECT_TRUE(update.scroll_rect.IsEmpty());
69 ASSERT_EQ(1U, update.paint_rects.size());
70
71 EXPECT_EQ(expected_bounds, update.paint_rects[0]);
72 }
73
74 TEST(PaintAggregator, SingleScroll) {
75 PaintAggregator greg;
76
77 gfx::Rect rect(1, 2, 3, 4);
78 gfx::Point delta(1, 0);
79 greg.ScrollRect(delta.x(), delta.y(), rect);
80
81 EXPECT_TRUE(greg.HasPendingUpdate());
82 PaintAggregator::PendingUpdate update;
83 greg.PopPendingUpdate(&update);
84
85 EXPECT_TRUE(update.paint_rects.empty());
86 EXPECT_FALSE(update.scroll_rect.IsEmpty());
87
88 EXPECT_EQ(rect, update.scroll_rect);
89
90 EXPECT_EQ(delta.x(), update.scroll_delta.x());
91 EXPECT_EQ(delta.y(), update.scroll_delta.y());
92
93 gfx::Rect resulting_damage = update.GetScrollDamage();
94 gfx::Rect expected_damage(1, 2, 1, 4);
95 EXPECT_EQ(expected_damage, resulting_damage);
96 }
97
98 TEST(PaintAggregator, DoubleOverlappingScroll) {
99 PaintAggregator greg;
100
101 gfx::Rect rect(1, 2, 3, 4);
102 gfx::Point delta1(1, 0);
103 gfx::Point delta2(1, 0);
104 greg.ScrollRect(delta1.x(), delta1.y(), rect);
105 greg.ScrollRect(delta2.x(), delta2.y(), rect);
106
107 EXPECT_TRUE(greg.HasPendingUpdate());
108 PaintAggregator::PendingUpdate update;
109 greg.PopPendingUpdate(&update);
110
111 EXPECT_TRUE(update.paint_rects.empty());
112 EXPECT_FALSE(update.scroll_rect.IsEmpty());
113
114 EXPECT_EQ(rect, update.scroll_rect);
115
116 gfx::Point expected_delta(delta1.x() + delta2.x(),
117 delta1.y() + delta2.y());
118 EXPECT_EQ(expected_delta.x(), update.scroll_delta.x());
119 EXPECT_EQ(expected_delta.y(), update.scroll_delta.y());
120
121 gfx::Rect resulting_damage = update.GetScrollDamage();
122 gfx::Rect expected_damage(1, 2, 2, 4);
123 EXPECT_EQ(expected_damage, resulting_damage);
124 }
125
126 TEST(PaintAggregator, NegatingScroll) {
127 PaintAggregator greg;
128
129 // Scroll twice in opposite directions by equal amounts. The result
130 // should be no scrolling.
131
132 gfx::Rect rect(1, 2, 3, 4);
133 gfx::Point delta1(1, 0);
134 gfx::Point delta2(-1, 0);
135 greg.ScrollRect(delta1.x(), delta1.y(), rect);
136 greg.ScrollRect(delta2.x(), delta2.y(), rect);
137
138 EXPECT_FALSE(greg.HasPendingUpdate());
139 }
140
141 TEST(PaintAggregator, DiagonalScroll) {
142 PaintAggregator greg;
143
144 // We don't support optimized diagonal scrolling, so this should result in
145 // repainting.
146
147 gfx::Rect rect(1, 2, 3, 4);
148 gfx::Point delta(1, 1);
149 greg.ScrollRect(delta.x(), delta.y(), rect);
150
151 EXPECT_TRUE(greg.HasPendingUpdate());
152 PaintAggregator::PendingUpdate update;
153 greg.PopPendingUpdate(&update);
154
155 EXPECT_TRUE(update.scroll_rect.IsEmpty());
156 ASSERT_EQ(1U, update.paint_rects.size());
157
158 EXPECT_EQ(rect, update.paint_rects[0]);
159 }
160
161 TEST(PaintAggregator, ContainedPaintAfterScroll) {
162 PaintAggregator greg;
163
164 gfx::Rect scroll_rect(0, 0, 10, 10);
165 greg.ScrollRect(2, 0, scroll_rect);
166
167 gfx::Rect paint_rect(4, 4, 2, 2);
168 greg.InvalidateRect(paint_rect);
169
170 EXPECT_TRUE(greg.HasPendingUpdate());
171 PaintAggregator::PendingUpdate update;
172 greg.PopPendingUpdate(&update);
173
174 // expecting a paint rect inside the scroll rect
175 EXPECT_FALSE(update.scroll_rect.IsEmpty());
176 EXPECT_EQ(1U, update.paint_rects.size());
177
178 EXPECT_EQ(scroll_rect, update.scroll_rect);
179 EXPECT_EQ(paint_rect, update.paint_rects[0]);
180 }
181
182 TEST(PaintAggregator, ContainedPaintBeforeScroll) {
183 PaintAggregator greg;
184
185 gfx::Rect paint_rect(4, 4, 2, 2);
186 greg.InvalidateRect(paint_rect);
187
188 gfx::Rect scroll_rect(0, 0, 10, 10);
189 greg.ScrollRect(2, 0, scroll_rect);
190
191 EXPECT_TRUE(greg.HasPendingUpdate());
192 PaintAggregator::PendingUpdate update;
193 greg.PopPendingUpdate(&update);
194
195 // Expecting a paint rect inside the scroll rect
196 EXPECT_FALSE(update.scroll_rect.IsEmpty());
197 EXPECT_EQ(1U, update.paint_rects.size());
198
199 paint_rect.Offset(2, 0);
200
201 EXPECT_EQ(scroll_rect, update.scroll_rect);
202 EXPECT_EQ(paint_rect, update.paint_rects[0]);
203 }
204
205 TEST(PaintAggregator, ContainedPaintsBeforeAndAfterScroll) {
206 PaintAggregator greg;
207
208 gfx::Rect paint_rect1(4, 4, 2, 2);
209 greg.InvalidateRect(paint_rect1);
210
211 gfx::Rect scroll_rect(0, 0, 10, 10);
212 greg.ScrollRect(2, 0, scroll_rect);
213
214 gfx::Rect paint_rect2(6, 4, 2, 2);
215 greg.InvalidateRect(paint_rect2);
216
217 gfx::Rect expected_paint_rect = paint_rect2;
218
219 EXPECT_TRUE(greg.HasPendingUpdate());
220 PaintAggregator::PendingUpdate update;
221 greg.PopPendingUpdate(&update);
222
223 // Expecting a paint rect inside the scroll rect
224 EXPECT_FALSE(update.scroll_rect.IsEmpty());
225 EXPECT_EQ(1U, update.paint_rects.size());
226
227 EXPECT_EQ(scroll_rect, update.scroll_rect);
228 EXPECT_EQ(expected_paint_rect, update.paint_rects[0]);
229 }
230
231 TEST(PaintAggregator, LargeContainedPaintAfterScroll) {
232 PaintAggregator greg;
233
234 gfx::Rect scroll_rect(0, 0, 10, 10);
235 greg.ScrollRect(0, 1, scroll_rect);
236
237 gfx::Rect paint_rect(0, 0, 10, 9); // Repaint 90%
238 greg.InvalidateRect(paint_rect);
239
240 EXPECT_TRUE(greg.HasPendingUpdate());
241 PaintAggregator::PendingUpdate update;
242 greg.PopPendingUpdate(&update);
243
244 EXPECT_TRUE(update.scroll_rect.IsEmpty());
245 EXPECT_EQ(1U, update.paint_rects.size());
246
247 EXPECT_EQ(scroll_rect, update.paint_rects[0]);
248 }
249
250 TEST(PaintAggregator, LargeContainedPaintBeforeScroll) {
251 PaintAggregator greg;
252
253 gfx::Rect paint_rect(0, 0, 10, 9); // Repaint 90%
254 greg.InvalidateRect(paint_rect);
255
256 gfx::Rect scroll_rect(0, 0, 10, 10);
257 greg.ScrollRect(0, 1, scroll_rect);
258
259 EXPECT_TRUE(greg.HasPendingUpdate());
260 PaintAggregator::PendingUpdate update;
261 greg.PopPendingUpdate(&update);
262
263 EXPECT_TRUE(update.scroll_rect.IsEmpty());
264 EXPECT_EQ(1U, update.paint_rects.size());
265
266 EXPECT_EQ(scroll_rect, update.paint_rects[0]);
267 }
268
269 TEST(PaintAggregator, OverlappingPaintBeforeScroll) {
270 PaintAggregator greg;
271
272 gfx::Rect paint_rect(4, 4, 10, 2);
273 greg.InvalidateRect(paint_rect);
274
275 gfx::Rect scroll_rect(0, 0, 10, 10);
276 greg.ScrollRect(2, 0, scroll_rect);
277
278 gfx::Rect expected_paint_rect = scroll_rect.Union(paint_rect);
279
280 EXPECT_TRUE(greg.HasPendingUpdate());
281 PaintAggregator::PendingUpdate update;
282 greg.PopPendingUpdate(&update);
283
284 EXPECT_TRUE(update.scroll_rect.IsEmpty());
285 EXPECT_EQ(1U, update.paint_rects.size());
286
287 EXPECT_EQ(expected_paint_rect, update.paint_rects[0]);
288 }
289
290 TEST(PaintAggregator, OverlappingPaintAfterScroll) {
291 PaintAggregator greg;
292
293 gfx::Rect scroll_rect(0, 0, 10, 10);
294 greg.ScrollRect(2, 0, scroll_rect);
295
296 gfx::Rect paint_rect(4, 4, 10, 2);
297 greg.InvalidateRect(paint_rect);
298
299 gfx::Rect expected_paint_rect = scroll_rect.Union(paint_rect);
300
301 EXPECT_TRUE(greg.HasPendingUpdate());
302 PaintAggregator::PendingUpdate update;
303 greg.PopPendingUpdate(&update);
304
305 EXPECT_TRUE(update.scroll_rect.IsEmpty());
306 EXPECT_EQ(1U, update.paint_rects.size());
307
308 EXPECT_EQ(expected_paint_rect, update.paint_rects[0]);
309 }
310
311 TEST(PaintAggregator, DisjointPaintBeforeScroll) {
312 PaintAggregator greg;
313
314 gfx::Rect paint_rect(4, 4, 10, 2);
315 greg.InvalidateRect(paint_rect);
316
317 gfx::Rect scroll_rect(0, 0, 2, 10);
318 greg.ScrollRect(2, 0, scroll_rect);
319
320 EXPECT_TRUE(greg.HasPendingUpdate());
321 PaintAggregator::PendingUpdate update;
322 greg.PopPendingUpdate(&update);
323
324 EXPECT_FALSE(update.scroll_rect.IsEmpty());
325 EXPECT_EQ(1U, update.paint_rects.size());
326
327 EXPECT_EQ(paint_rect, update.paint_rects[0]);
328 EXPECT_EQ(scroll_rect, update.scroll_rect);
329 }
330
331 TEST(PaintAggregator, DisjointPaintAfterScroll) {
332 PaintAggregator greg;
333
334 gfx::Rect scroll_rect(0, 0, 2, 10);
335 greg.ScrollRect(2, 0, scroll_rect);
336
337 gfx::Rect paint_rect(4, 4, 10, 2);
338 greg.InvalidateRect(paint_rect);
339
340 EXPECT_TRUE(greg.HasPendingUpdate());
341 PaintAggregator::PendingUpdate update;
342 greg.PopPendingUpdate(&update);
343
344 EXPECT_FALSE(update.scroll_rect.IsEmpty());
345 EXPECT_EQ(1U, update.paint_rects.size());
346
347 EXPECT_EQ(paint_rect, update.paint_rects[0]);
348 EXPECT_EQ(scroll_rect, update.scroll_rect);
349 }
350
351 TEST(PaintAggregator, ContainedPaintTrimmedByScroll) {
352 PaintAggregator greg;
353
354 gfx::Rect paint_rect(4, 4, 6, 6);
355 greg.InvalidateRect(paint_rect);
356
357 gfx::Rect scroll_rect(0, 0, 10, 10);
358 greg.ScrollRect(2, 0, scroll_rect);
359
360 // The paint rect should have become narrower.
361 gfx::Rect expected_paint_rect(6, 4, 4, 6);
362
363 EXPECT_TRUE(greg.HasPendingUpdate());
364 PaintAggregator::PendingUpdate update;
365 greg.PopPendingUpdate(&update);
366
367 EXPECT_FALSE(update.scroll_rect.IsEmpty());
368 EXPECT_EQ(1U, update.paint_rects.size());
369
370 EXPECT_EQ(expected_paint_rect, update.paint_rects[0]);
371 EXPECT_EQ(scroll_rect, update.scroll_rect);
372 }
373
374 TEST(PaintAggregator, ContainedPaintEliminatedByScroll) {
375 PaintAggregator greg;
376
377 gfx::Rect paint_rect(4, 4, 6, 6);
378 greg.InvalidateRect(paint_rect);
379
380 gfx::Rect scroll_rect(0, 0, 10, 10);
381 greg.ScrollRect(6, 0, scroll_rect);
382
383 EXPECT_TRUE(greg.HasPendingUpdate());
384 PaintAggregator::PendingUpdate update;
385 greg.PopPendingUpdate(&update);
386
387 EXPECT_FALSE(update.scroll_rect.IsEmpty());
388 EXPECT_TRUE(update.paint_rects.empty());
389
390 EXPECT_EQ(scroll_rect, update.scroll_rect);
391 }
392
393 TEST(PaintAggregator, ContainedPaintAfterScrollTrimmedByScrollDamage) {
394 PaintAggregator greg;
395
396 gfx::Rect scroll_rect(0, 0, 10, 10);
397 greg.ScrollRect(4, 0, scroll_rect);
398
399 gfx::Rect paint_rect(2, 0, 4, 10);
400 greg.InvalidateRect(paint_rect);
401
402 gfx::Rect expected_scroll_damage(0, 0, 4, 10);
403 gfx::Rect expected_paint_rect(4, 0, 2, 10);
404
405 EXPECT_TRUE(greg.HasPendingUpdate());
406 PaintAggregator::PendingUpdate update;
407 greg.PopPendingUpdate(&update);
408
409 EXPECT_FALSE(update.scroll_rect.IsEmpty());
410 EXPECT_EQ(1U, update.paint_rects.size());
411
412 EXPECT_EQ(scroll_rect, update.scroll_rect);
413 EXPECT_EQ(expected_scroll_damage, update.GetScrollDamage());
414 EXPECT_EQ(expected_paint_rect, update.paint_rects[0]);
415 }
416
417 TEST(PaintAggregator, ContainedPaintAfterScrollEliminatedByScrollDamage) {
418 PaintAggregator greg;
419
420 gfx::Rect scroll_rect(0, 0, 10, 10);
421 greg.ScrollRect(4, 0, scroll_rect);
422
423 gfx::Rect paint_rect(2, 0, 2, 10);
424 greg.InvalidateRect(paint_rect);
425
426 gfx::Rect expected_scroll_damage(0, 0, 4, 10);
427
428 EXPECT_TRUE(greg.HasPendingUpdate());
429 PaintAggregator::PendingUpdate update;
430 greg.PopPendingUpdate(&update);
431
432 EXPECT_FALSE(update.scroll_rect.IsEmpty());
433 EXPECT_TRUE(update.paint_rects.empty());
434
435 EXPECT_EQ(scroll_rect, update.scroll_rect);
436 EXPECT_EQ(expected_scroll_damage, update.GetScrollDamage());
437 }
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