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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 484 | 484 |
| 485 | 485 |
| 486 TEST(MakingExternalStringConditions) { | 486 TEST(MakingExternalStringConditions) { |
| 487 v8::HandleScope scope; | 487 v8::HandleScope scope; |
| 488 LocalContext env; | 488 LocalContext env; |
| 489 | 489 |
| 490 // Free some space in the new space so that we can check freshness. | 490 // Free some space in the new space so that we can check freshness. |
| 491 HEAP->CollectGarbage(i::NEW_SPACE); | 491 HEAP->CollectGarbage(i::NEW_SPACE); |
| 492 HEAP->CollectGarbage(i::NEW_SPACE); | 492 HEAP->CollectGarbage(i::NEW_SPACE); |
| 493 | 493 |
| 494 uint16_t* two_byte_string = AsciiToTwoByteString("s1"); | 494 uint16_t* two_byte_string = AsciiToTwoByteString("abcdefghi"); |
| 495 Local<String> small_string = String::New(two_byte_string); | 495 Local<String> small_string = String::New(two_byte_string); |
| 496 i::DeleteArray(two_byte_string); | 496 i::DeleteArray(two_byte_string); |
| 497 | 497 |
| 498 // We should refuse to externalize newly created small string. | 498 // We should refuse to externalize newly created small string. |
| 499 CHECK(!small_string->CanMakeExternal()); | 499 CHECK(!small_string->CanMakeExternal()); |
| 500 // Trigger GCs so that the newly allocated string moves to old gen. | 500 // Trigger GCs so that the newly allocated string moves to old gen. |
| 501 HEAP->CollectGarbage(i::NEW_SPACE); // in survivor space now | 501 HEAP->CollectGarbage(i::NEW_SPACE); // in survivor space now |
| 502 HEAP->CollectGarbage(i::NEW_SPACE); // in old gen now | 502 HEAP->CollectGarbage(i::NEW_SPACE); // in old gen now |
| 503 // Old space strings should be accepted. | 503 // Old space strings should be accepted. |
| 504 CHECK(small_string->CanMakeExternal()); | 504 CHECK(small_string->CanMakeExternal()); |
| 505 | 505 |
| 506 two_byte_string = AsciiToTwoByteString("small string 2"); | 506 two_byte_string = AsciiToTwoByteString("abcdefghi"); |
| 507 small_string = String::New(two_byte_string); | 507 small_string = String::New(two_byte_string); |
| 508 i::DeleteArray(two_byte_string); | 508 i::DeleteArray(two_byte_string); |
| 509 | 509 |
| 510 // We should refuse externalizing newly created small string. | 510 // We should refuse externalizing newly created small string. |
| 511 CHECK(!small_string->CanMakeExternal()); | 511 CHECK(!small_string->CanMakeExternal()); |
| 512 for (int i = 0; i < 100; i++) { | 512 for (int i = 0; i < 100; i++) { |
| 513 String::Value value(small_string); | 513 String::Value value(small_string); |
| 514 } | 514 } |
| 515 // Frequently used strings should be accepted. | 515 // Frequently used strings should be accepted. |
| 516 CHECK(small_string->CanMakeExternal()); | 516 CHECK(small_string->CanMakeExternal()); |
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| 530 | 530 |
| 531 | 531 |
| 532 TEST(MakingExternalAsciiStringConditions) { | 532 TEST(MakingExternalAsciiStringConditions) { |
| 533 v8::HandleScope scope; | 533 v8::HandleScope scope; |
| 534 LocalContext env; | 534 LocalContext env; |
| 535 | 535 |
| 536 // Free some space in the new space so that we can check freshness. | 536 // Free some space in the new space so that we can check freshness. |
| 537 HEAP->CollectGarbage(i::NEW_SPACE); | 537 HEAP->CollectGarbage(i::NEW_SPACE); |
| 538 HEAP->CollectGarbage(i::NEW_SPACE); | 538 HEAP->CollectGarbage(i::NEW_SPACE); |
| 539 | 539 |
| 540 Local<String> small_string = String::New("s1"); | 540 Local<String> small_string = String::New("abcdefghi"); |
| 541 // We should refuse to externalize newly created small string. | 541 // We should refuse to externalize newly created small string. |
| 542 CHECK(!small_string->CanMakeExternal()); | 542 CHECK(!small_string->CanMakeExternal()); |
| 543 // Trigger GCs so that the newly allocated string moves to old gen. | 543 // Trigger GCs so that the newly allocated string moves to old gen. |
| 544 HEAP->CollectGarbage(i::NEW_SPACE); // in survivor space now | 544 HEAP->CollectGarbage(i::NEW_SPACE); // in survivor space now |
| 545 HEAP->CollectGarbage(i::NEW_SPACE); // in old gen now | 545 HEAP->CollectGarbage(i::NEW_SPACE); // in old gen now |
| 546 // Old space strings should be accepted. | 546 // Old space strings should be accepted. |
| 547 CHECK(small_string->CanMakeExternal()); | 547 CHECK(small_string->CanMakeExternal()); |
| 548 | 548 |
| 549 small_string = String::New("small string 2"); | 549 small_string = String::New("abcdefghi"); |
| 550 // We should refuse externalizing newly created small string. | 550 // We should refuse externalizing newly created small string. |
| 551 CHECK(!small_string->CanMakeExternal()); | 551 CHECK(!small_string->CanMakeExternal()); |
| 552 for (int i = 0; i < 100; i++) { | 552 for (int i = 0; i < 100; i++) { |
| 553 String::Value value(small_string); | 553 String::Value value(small_string); |
| 554 } | 554 } |
| 555 // Frequently used strings should be accepted. | 555 // Frequently used strings should be accepted. |
| 556 CHECK(small_string->CanMakeExternal()); | 556 CHECK(small_string->CanMakeExternal()); |
| 557 | 557 |
| 558 const int buf_size = 10 * 1024; | 558 const int buf_size = 10 * 1024; |
| 559 char* buf = i::NewArray<char>(buf_size); | 559 char* buf = i::NewArray<char>(buf_size); |
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| 15590 CHECK(i->Equals(CompileRun("'abcbd'.replace(/b/g,func)[3]"))); | 15590 CHECK(i->Equals(CompileRun("'abcbd'.replace(/b/g,func)[3]"))); |
| 15591 | 15591 |
| 15592 // TODO(1547): Make the following also return "i". | 15592 // TODO(1547): Make the following also return "i". |
| 15593 // Calling with environment record as base. | 15593 // Calling with environment record as base. |
| 15594 TestReceiver(o, context->Global(), "func()"); | 15594 TestReceiver(o, context->Global(), "func()"); |
| 15595 // Calling with no base. | 15595 // Calling with no base. |
| 15596 TestReceiver(o, context->Global(), "(1,func)()"); | 15596 TestReceiver(o, context->Global(), "(1,func)()"); |
| 15597 | 15597 |
| 15598 foreign_context.Dispose(); | 15598 foreign_context.Dispose(); |
| 15599 } | 15599 } |
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