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Issue 2526093002: [ios] Improved GetIndexForOffset performance to large offsets. (Closed)
Patch Set: Created 4 years ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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 #import "ios/web/navigation/navigation_manager_impl.h" 5 #import "ios/web/navigation/navigation_manager_impl.h"
6 6
7 #include "base/logging.h" 7 #include "base/logging.h"
8 #import "base/mac/scoped_nsobject.h" 8 #import "base/mac/scoped_nsobject.h"
9 #import "ios/web/navigation/crw_session_controller+private_constructors.h" 9 #import "ios/web/navigation/crw_session_controller+private_constructors.h"
10 #import "ios/web/navigation/navigation_manager_delegate.h" 10 #import "ios/web/navigation/navigation_manager_delegate.h"
(...skipping 290 matching lines...) Expand 10 before | Expand all | Expand 10 after
301 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-1)); 301 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-1));
302 EXPECT_EQ(-1, navigation_manager()->GetIndexForOffset(-1)); 302 EXPECT_EQ(-1, navigation_manager()->GetIndexForOffset(-1));
303 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-2)); 303 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-2));
304 EXPECT_EQ(-2, navigation_manager()->GetIndexForOffset(-2)); 304 EXPECT_EQ(-2, navigation_manager()->GetIndexForOffset(-2));
305 EXPECT_TRUE(navigation_manager()->CanGoToOffset(1)); 305 EXPECT_TRUE(navigation_manager()->CanGoToOffset(1));
306 EXPECT_EQ(2, navigation_manager()->GetIndexForOffset(1)); 306 EXPECT_EQ(2, navigation_manager()->GetIndexForOffset(1));
307 EXPECT_TRUE(navigation_manager()->CanGoToOffset(2)); 307 EXPECT_TRUE(navigation_manager()->CanGoToOffset(2));
308 EXPECT_EQ(4, navigation_manager()->GetIndexForOffset(2)); 308 EXPECT_EQ(4, navigation_manager()->GetIndexForOffset(2));
309 EXPECT_FALSE(navigation_manager()->CanGoToOffset(3)); 309 EXPECT_FALSE(navigation_manager()->CanGoToOffset(3));
310 EXPECT_EQ(5, navigation_manager()->GetIndexForOffset(3)); 310 EXPECT_EQ(5, navigation_manager()->GetIndexForOffset(3));
311 // Test with large values.
312 EXPECT_FALSE(navigation_manager()->CanGoToOffset(INT_MAX));
313 EXPECT_FALSE(navigation_manager()->CanGoToOffset(INT_MIN));
314 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-1000000000));
315 EXPECT_FALSE(navigation_manager()->CanGoToOffset(1000000000));
316 EXPECT_EQ(INT_MAX, navigation_manager()->GetIndexForOffset(INT_MAX));
317 EXPECT_EQ(INT_MIN, navigation_manager()->GetIndexForOffset(INT_MIN));
318 EXPECT_EQ(-1000000000, navigation_manager()->GetIndexForOffset(-1000000000));
319 EXPECT_EQ(1000000002, navigation_manager()->GetIndexForOffset(1000000000));
311 320
312 // Go to entry at index 2 and test API from that state. 321 // Go to entry at index 2 and test API from that state.
313 [session_controller() goToEntryAtIndex:2]; 322 [session_controller() goToEntryAtIndex:2];
314 ASSERT_EQ(2, navigation_manager()->GetCurrentItemIndex()); 323 ASSERT_EQ(2, navigation_manager()->GetCurrentItemIndex());
315 ASSERT_EQ(-1, navigation_manager()->GetPendingItemIndex()); 324 ASSERT_EQ(-1, navigation_manager()->GetPendingItemIndex());
316 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-1)); 325 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-1));
317 EXPECT_EQ(1, navigation_manager()->GetIndexForOffset(-1)); 326 EXPECT_EQ(1, navigation_manager()->GetIndexForOffset(-1));
318 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-2)); 327 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-2));
319 EXPECT_EQ(-1, navigation_manager()->GetIndexForOffset(-2)); 328 EXPECT_EQ(-1, navigation_manager()->GetIndexForOffset(-2));
320 EXPECT_TRUE(navigation_manager()->CanGoToOffset(1)); 329 EXPECT_TRUE(navigation_manager()->CanGoToOffset(1));
321 EXPECT_EQ(4, navigation_manager()->GetIndexForOffset(1)); 330 EXPECT_EQ(4, navigation_manager()->GetIndexForOffset(1));
322 EXPECT_FALSE(navigation_manager()->CanGoToOffset(2)); 331 EXPECT_FALSE(navigation_manager()->CanGoToOffset(2));
323 EXPECT_EQ(5, navigation_manager()->GetIndexForOffset(2)); 332 EXPECT_EQ(5, navigation_manager()->GetIndexForOffset(2));
333 // Test with large values.
334 EXPECT_FALSE(navigation_manager()->CanGoToOffset(INT_MAX));
335 EXPECT_FALSE(navigation_manager()->CanGoToOffset(INT_MIN));
336 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-1000000000));
337 EXPECT_FALSE(navigation_manager()->CanGoToOffset(1000000000));
338 EXPECT_EQ(INT_MAX, navigation_manager()->GetIndexForOffset(INT_MAX));
339 EXPECT_EQ(-2147483647, navigation_manager()->GetIndexForOffset(INT_MIN));
340 EXPECT_EQ(-999999999, navigation_manager()->GetIndexForOffset(-1000000000));
341 EXPECT_EQ(1000000003, navigation_manager()->GetIndexForOffset(1000000000));
324 342
325 // Go to entry at index 4 and test API from that state. 343 // Go to entry at index 4 and test API from that state.
326 [session_controller() goToEntryAtIndex:4]; 344 [session_controller() goToEntryAtIndex:4];
327 ASSERT_EQ(4, navigation_manager()->GetCurrentItemIndex()); 345 ASSERT_EQ(4, navigation_manager()->GetCurrentItemIndex());
328 ASSERT_EQ(-1, navigation_manager()->GetPendingItemIndex()); 346 ASSERT_EQ(-1, navigation_manager()->GetPendingItemIndex());
329 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-1)); 347 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-1));
330 EXPECT_EQ(2, navigation_manager()->GetIndexForOffset(-1)); 348 EXPECT_EQ(2, navigation_manager()->GetIndexForOffset(-1));
331 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-2)); 349 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-2));
332 EXPECT_EQ(1, navigation_manager()->GetIndexForOffset(-2)); 350 EXPECT_EQ(1, navigation_manager()->GetIndexForOffset(-2));
333 EXPECT_FALSE(navigation_manager()->CanGoToOffset(1)); 351 EXPECT_FALSE(navigation_manager()->CanGoToOffset(1));
334 EXPECT_EQ(5, navigation_manager()->GetIndexForOffset(1)); 352 EXPECT_EQ(5, navigation_manager()->GetIndexForOffset(1));
335 EXPECT_FALSE(navigation_manager()->CanGoToOffset(2)); 353 EXPECT_FALSE(navigation_manager()->CanGoToOffset(2));
336 EXPECT_EQ(6, navigation_manager()->GetIndexForOffset(2)); 354 EXPECT_EQ(6, navigation_manager()->GetIndexForOffset(2));
355 // Test with large values.
356 EXPECT_FALSE(navigation_manager()->CanGoToOffset(INT_MAX));
357 EXPECT_FALSE(navigation_manager()->CanGoToOffset(INT_MIN));
358 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-1000000000));
359 EXPECT_FALSE(navigation_manager()->CanGoToOffset(1000000000));
360 EXPECT_EQ(INT_MAX, navigation_manager()->GetIndexForOffset(INT_MAX));
361 EXPECT_EQ(-2147483646, navigation_manager()->GetIndexForOffset(INT_MIN));
362 EXPECT_EQ(-999999998, navigation_manager()->GetIndexForOffset(-1000000000));
363 EXPECT_EQ(1000000004, navigation_manager()->GetIndexForOffset(1000000000));
337 364
338 // Test with existing transient entry. 365 // Test with existing transient entry.
339 [session_controller() addTransientEntryWithURL:GURL("http://www.url.com")]; 366 [session_controller() addTransientEntryWithURL:GURL("http://www.url.com")];
340 ASSERT_EQ(5, navigation_manager()->GetItemCount()); 367 ASSERT_EQ(5, navigation_manager()->GetItemCount());
341 ASSERT_EQ(4, navigation_manager()->GetCurrentItemIndex()); 368 ASSERT_EQ(4, navigation_manager()->GetCurrentItemIndex());
342 ASSERT_EQ(-1, navigation_manager()->GetPendingItemIndex()); 369 ASSERT_EQ(-1, navigation_manager()->GetPendingItemIndex());
343 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-1)); 370 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-1));
344 EXPECT_EQ(4, navigation_manager()->GetIndexForOffset(-1)); 371 EXPECT_EQ(4, navigation_manager()->GetIndexForOffset(-1));
345 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-2)); 372 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-2));
346 EXPECT_EQ(2, navigation_manager()->GetIndexForOffset(-2)); 373 EXPECT_EQ(2, navigation_manager()->GetIndexForOffset(-2));
347 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-3)); 374 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-3));
348 EXPECT_EQ(1, navigation_manager()->GetIndexForOffset(-3)); 375 EXPECT_EQ(1, navigation_manager()->GetIndexForOffset(-3));
349 EXPECT_FALSE(navigation_manager()->CanGoToOffset(1)); 376 EXPECT_FALSE(navigation_manager()->CanGoToOffset(1));
350 EXPECT_EQ(5, navigation_manager()->GetIndexForOffset(1)); 377 EXPECT_EQ(5, navigation_manager()->GetIndexForOffset(1));
351 EXPECT_FALSE(navigation_manager()->CanGoToOffset(2)); 378 EXPECT_FALSE(navigation_manager()->CanGoToOffset(2));
352 EXPECT_EQ(6, navigation_manager()->GetIndexForOffset(2)); 379 EXPECT_EQ(6, navigation_manager()->GetIndexForOffset(2));
380 // Test with large values.
381 EXPECT_FALSE(navigation_manager()->CanGoToOffset(INT_MAX));
382 EXPECT_FALSE(navigation_manager()->CanGoToOffset(INT_MIN));
383 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-1000000000));
384 EXPECT_FALSE(navigation_manager()->CanGoToOffset(1000000000));
385 EXPECT_EQ(INT_MAX, navigation_manager()->GetIndexForOffset(INT_MAX));
386 EXPECT_EQ(-2147483645, navigation_manager()->GetIndexForOffset(INT_MIN));
387 EXPECT_EQ(-999999997, navigation_manager()->GetIndexForOffset(-1000000000));
388 EXPECT_EQ(1000000004, navigation_manager()->GetIndexForOffset(1000000000));
353 389
354 // Now test with pending item index. 390 // Now test with pending item index.
355 [session_controller() discardNonCommittedEntries]; 391 [session_controller() discardNonCommittedEntries];
356 392
357 // Set pending index to 1 and test API from that state. 393 // Set pending index to 1 and test API from that state.
358 [session_controller() setPendingEntryIndex:1]; 394 [session_controller() setPendingEntryIndex:1];
359 ASSERT_EQ(4, navigation_manager()->GetCurrentItemIndex()); 395 ASSERT_EQ(4, navigation_manager()->GetCurrentItemIndex());
360 ASSERT_EQ(1, navigation_manager()->GetPendingItemIndex()); 396 ASSERT_EQ(1, navigation_manager()->GetPendingItemIndex());
361 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-1)); 397 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-1));
362 EXPECT_EQ(-1, navigation_manager()->GetIndexForOffset(-1)); 398 EXPECT_EQ(-1, navigation_manager()->GetIndexForOffset(-1));
363 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-2)); 399 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-2));
364 EXPECT_EQ(-2, navigation_manager()->GetIndexForOffset(-2)); 400 EXPECT_EQ(-2, navigation_manager()->GetIndexForOffset(-2));
365 EXPECT_TRUE(navigation_manager()->CanGoToOffset(1)); 401 EXPECT_TRUE(navigation_manager()->CanGoToOffset(1));
366 EXPECT_EQ(2, navigation_manager()->GetIndexForOffset(1)); 402 EXPECT_EQ(2, navigation_manager()->GetIndexForOffset(1));
367 EXPECT_TRUE(navigation_manager()->CanGoToOffset(2)); 403 EXPECT_TRUE(navigation_manager()->CanGoToOffset(2));
368 EXPECT_EQ(4, navigation_manager()->GetIndexForOffset(2)); 404 EXPECT_EQ(4, navigation_manager()->GetIndexForOffset(2));
369 EXPECT_FALSE(navigation_manager()->CanGoToOffset(3)); 405 EXPECT_FALSE(navigation_manager()->CanGoToOffset(3));
370 EXPECT_EQ(5, navigation_manager()->GetIndexForOffset(3)); 406 EXPECT_EQ(5, navigation_manager()->GetIndexForOffset(3));
407 // Test with large values.
408 EXPECT_FALSE(navigation_manager()->CanGoToOffset(INT_MAX));
409 EXPECT_FALSE(navigation_manager()->CanGoToOffset(INT_MIN));
410 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-1000000000));
411 EXPECT_FALSE(navigation_manager()->CanGoToOffset(1000000000));
412 EXPECT_EQ(INT_MAX, navigation_manager()->GetIndexForOffset(INT_MAX));
413 EXPECT_EQ(INT_MIN, navigation_manager()->GetIndexForOffset(INT_MIN));
414 EXPECT_EQ(-1000000000, navigation_manager()->GetIndexForOffset(-1000000000));
415 EXPECT_EQ(1000000002, navigation_manager()->GetIndexForOffset(1000000000));
371 416
372 // Set pending index to 2 and test API from that state. 417 // Set pending index to 2 and test API from that state.
373 [session_controller() setPendingEntryIndex:2]; 418 [session_controller() setPendingEntryIndex:2];
374 ASSERT_EQ(4, navigation_manager()->GetCurrentItemIndex()); 419 ASSERT_EQ(4, navigation_manager()->GetCurrentItemIndex());
375 ASSERT_EQ(2, navigation_manager()->GetPendingItemIndex()); 420 ASSERT_EQ(2, navigation_manager()->GetPendingItemIndex());
376 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-1)); 421 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-1));
377 EXPECT_EQ(1, navigation_manager()->GetIndexForOffset(-1)); 422 EXPECT_EQ(1, navigation_manager()->GetIndexForOffset(-1));
378 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-2)); 423 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-2));
379 EXPECT_EQ(-1, navigation_manager()->GetIndexForOffset(-2)); 424 EXPECT_EQ(-1, navigation_manager()->GetIndexForOffset(-2));
380 EXPECT_TRUE(navigation_manager()->CanGoToOffset(1)); 425 EXPECT_TRUE(navigation_manager()->CanGoToOffset(1));
381 EXPECT_EQ(4, navigation_manager()->GetIndexForOffset(1)); 426 EXPECT_EQ(4, navigation_manager()->GetIndexForOffset(1));
382 EXPECT_FALSE(navigation_manager()->CanGoToOffset(2)); 427 EXPECT_FALSE(navigation_manager()->CanGoToOffset(2));
383 EXPECT_EQ(5, navigation_manager()->GetIndexForOffset(2)); 428 EXPECT_EQ(5, navigation_manager()->GetIndexForOffset(2));
429 // Test with large values.
430 EXPECT_FALSE(navigation_manager()->CanGoToOffset(INT_MAX));
431 EXPECT_FALSE(navigation_manager()->CanGoToOffset(INT_MIN));
432 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-1000000000));
433 EXPECT_FALSE(navigation_manager()->CanGoToOffset(1000000000));
434 EXPECT_EQ(INT_MAX, navigation_manager()->GetIndexForOffset(INT_MAX));
435 EXPECT_EQ(-2147483647, navigation_manager()->GetIndexForOffset(INT_MIN));
436 EXPECT_EQ(-999999999, navigation_manager()->GetIndexForOffset(-1000000000));
437 EXPECT_EQ(1000000003, navigation_manager()->GetIndexForOffset(1000000000));
384 438
385 // Set pending index to 4 and committed entry to 1 and test. 439 // Set pending index to 4 and committed entry to 1 and test.
386 [session_controller() goToEntryAtIndex:1]; 440 [session_controller() goToEntryAtIndex:1];
387 [session_controller() setPendingEntryIndex:4]; 441 [session_controller() setPendingEntryIndex:4];
388 ASSERT_EQ(1, navigation_manager()->GetCurrentItemIndex()); 442 ASSERT_EQ(1, navigation_manager()->GetCurrentItemIndex());
389 ASSERT_EQ(4, navigation_manager()->GetPendingItemIndex()); 443 ASSERT_EQ(4, navigation_manager()->GetPendingItemIndex());
390 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-1)); 444 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-1));
391 EXPECT_EQ(2, navigation_manager()->GetIndexForOffset(-1)); 445 EXPECT_EQ(2, navigation_manager()->GetIndexForOffset(-1));
392 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-2)); 446 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-2));
393 EXPECT_EQ(1, navigation_manager()->GetIndexForOffset(-2)); 447 EXPECT_EQ(1, navigation_manager()->GetIndexForOffset(-2));
394 EXPECT_FALSE(navigation_manager()->CanGoToOffset(1)); 448 EXPECT_FALSE(navigation_manager()->CanGoToOffset(1));
395 EXPECT_EQ(5, navigation_manager()->GetIndexForOffset(1)); 449 EXPECT_EQ(5, navigation_manager()->GetIndexForOffset(1));
396 EXPECT_FALSE(navigation_manager()->CanGoToOffset(2)); 450 EXPECT_FALSE(navigation_manager()->CanGoToOffset(2));
397 EXPECT_EQ(6, navigation_manager()->GetIndexForOffset(2)); 451 EXPECT_EQ(6, navigation_manager()->GetIndexForOffset(2));
452 // Test with large values.
453 EXPECT_FALSE(navigation_manager()->CanGoToOffset(INT_MAX));
454 EXPECT_FALSE(navigation_manager()->CanGoToOffset(INT_MIN));
455 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-1000000000));
456 EXPECT_FALSE(navigation_manager()->CanGoToOffset(1000000000));
457 EXPECT_EQ(INT_MAX, navigation_manager()->GetIndexForOffset(INT_MAX));
458 EXPECT_EQ(-2147483646, navigation_manager()->GetIndexForOffset(INT_MIN));
459 EXPECT_EQ(-999999998, navigation_manager()->GetIndexForOffset(-1000000000));
460 EXPECT_EQ(1000000004, navigation_manager()->GetIndexForOffset(1000000000));
398 461
399 // Test with existing transient entry. 462 // Test with existing transient entry.
400 [session_controller() addTransientEntryWithURL:GURL("http://www.url.com")]; 463 [session_controller() addTransientEntryWithURL:GURL("http://www.url.com")];
401 ASSERT_EQ(5, navigation_manager()->GetItemCount()); 464 ASSERT_EQ(5, navigation_manager()->GetItemCount());
402 ASSERT_EQ(1, navigation_manager()->GetCurrentItemIndex()); 465 ASSERT_EQ(1, navigation_manager()->GetCurrentItemIndex());
403 ASSERT_EQ(4, navigation_manager()->GetPendingItemIndex()); 466 ASSERT_EQ(4, navigation_manager()->GetPendingItemIndex());
404 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-1)); 467 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-1));
405 EXPECT_EQ(4, navigation_manager()->GetIndexForOffset(-1)); 468 EXPECT_EQ(4, navigation_manager()->GetIndexForOffset(-1));
406 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-2)); 469 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-2));
407 EXPECT_EQ(2, navigation_manager()->GetIndexForOffset(-2)); 470 EXPECT_EQ(2, navigation_manager()->GetIndexForOffset(-2));
408 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-3)); 471 EXPECT_TRUE(navigation_manager()->CanGoToOffset(-3));
409 EXPECT_EQ(1, navigation_manager()->GetIndexForOffset(-3)); 472 EXPECT_EQ(1, navigation_manager()->GetIndexForOffset(-3));
410 EXPECT_FALSE(navigation_manager()->CanGoToOffset(1)); 473 EXPECT_FALSE(navigation_manager()->CanGoToOffset(1));
411 EXPECT_EQ(5, navigation_manager()->GetIndexForOffset(1)); 474 EXPECT_EQ(5, navigation_manager()->GetIndexForOffset(1));
412 EXPECT_FALSE(navigation_manager()->CanGoToOffset(2)); 475 EXPECT_FALSE(navigation_manager()->CanGoToOffset(2));
413 EXPECT_EQ(6, navigation_manager()->GetIndexForOffset(2)); 476 EXPECT_EQ(6, navigation_manager()->GetIndexForOffset(2));
477 // Test with large values.
478 EXPECT_FALSE(navigation_manager()->CanGoToOffset(INT_MAX));
479 EXPECT_FALSE(navigation_manager()->CanGoToOffset(INT_MIN));
480 EXPECT_FALSE(navigation_manager()->CanGoToOffset(-1000000000));
481 EXPECT_FALSE(navigation_manager()->CanGoToOffset(1000000000));
482 EXPECT_EQ(INT_MAX, navigation_manager()->GetIndexForOffset(INT_MAX));
483 EXPECT_EQ(-2147483645, navigation_manager()->GetIndexForOffset(INT_MIN));
484 EXPECT_EQ(-999999997, navigation_manager()->GetIndexForOffset(-1000000000));
485 EXPECT_EQ(1000000004, navigation_manager()->GetIndexForOffset(1000000000));
414 } 486 }
415 487
416 } // namespace web 488 } // namespace web
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