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| 1 // Copyright 2007-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2007-2008 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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| 278 { PresentPropertyContext context; | 278 { PresentPropertyContext context; |
| 279 context.Check("function x() { }; x", | 279 context.Check("function x() { }; x", |
| 280 1, // access | 280 1, // access |
| 281 0, | 281 0, |
| 282 0, | 282 0, |
| 283 EXPECT_RESULT); | 283 EXPECT_RESULT); |
| 284 } | 284 } |
| 285 | 285 |
| 286 { PresentPropertyContext context; | 286 { PresentPropertyContext context; |
| 287 context.Check("const x; x", | 287 context.Check("const x; x", |
| 288 1, // access | |
| 289 0, | 288 0, |
| 290 2, // (re-)declaration + initialization | 289 0, |
| 291 EXPECT_EXCEPTION); // x is not defined! | 290 1, // (re-)declaration |
| 291 EXPECT_EXCEPTION); // x has already been declared! |
| 292 } | 292 } |
| 293 | 293 |
| 294 { PresentPropertyContext context; | 294 { PresentPropertyContext context; |
| 295 context.Check("const x = 0; x", | 295 context.Check("const x = 0; x", |
| 296 1, // access | |
| 297 0, | 296 0, |
| 298 2, // (re-)declaration + initialization | 297 0, |
| 299 EXPECT_EXCEPTION); // x is not defined! | 298 1, // (re-)declaration |
| 299 EXPECT_EXCEPTION); // x has already been declared! |
| 300 } | 300 } |
| 301 } | 301 } |
| 302 | 302 |
| 303 | 303 |
| 304 | 304 |
| 305 class AbsentPropertyContext: public DeclarationContext { | 305 class AbsentPropertyContext: public DeclarationContext { |
| 306 protected: | 306 protected: |
| 307 virtual v8::Handle<Integer> Query(Local<String> key) { | 307 virtual v8::Handle<Integer> Query(Local<String> key) { |
| 308 return v8::Handle<Integer>(); | 308 return v8::Handle<Integer>(); |
| 309 } | 309 } |
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| 422 { AppearingPropertyContext context; | 422 { AppearingPropertyContext context; |
| 423 context.Check("function x() { }; x", | 423 context.Check("function x() { }; x", |
| 424 1, // access | 424 1, // access |
| 425 0, | 425 0, |
| 426 0, | 426 0, |
| 427 EXPECT_RESULT); | 427 EXPECT_RESULT); |
| 428 } | 428 } |
| 429 | 429 |
| 430 { AppearingPropertyContext context; | 430 { AppearingPropertyContext context; |
| 431 context.Check("const x; x", | 431 context.Check("const x; x", |
| 432 1, // access | 432 0, |
| 433 1, // declaration | 433 1, // declaration |
| 434 2, // declaration + initialization | 434 2, // declaration + initialization |
| 435 EXPECT_RESULT, Undefined()); | 435 EXPECT_EXCEPTION); // x has already been declared! |
| 436 } | 436 } |
| 437 | 437 |
| 438 { AppearingPropertyContext context; | 438 { AppearingPropertyContext context; |
| 439 context.Check("const x = 0; x", | 439 context.Check("const x = 0; x", |
| 440 1, // access | 440 0, |
| 441 1, // declaration | 441 1, // declaration |
| 442 2, // declaration + initialization | 442 2, // declaration + initialization |
| 443 EXPECT_RESULT, Undefined()); | 443 EXPECT_EXCEPTION); // x has already been declared! |
| 444 // Result is undefined because declaration succeeded but | |
| 445 // initialization to 0 failed (due to context behavior). | |
| 446 } | 444 } |
| 447 } | 445 } |
| 448 | 446 |
| 449 | 447 |
| 450 | 448 |
| 451 class ReappearingPropertyContext: public DeclarationContext { | 449 class ReappearingPropertyContext: public DeclarationContext { |
| 452 public: | 450 public: |
| 453 enum State { | 451 enum State { |
| 454 DECLARE, | 452 DECLARE, |
| 455 DONT_DECLARE, | 453 DONT_DECLARE, |
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| 491 State state_; | 489 State state_; |
| 492 }; | 490 }; |
| 493 | 491 |
| 494 | 492 |
| 495 TEST(Reappearing) { | 493 TEST(Reappearing) { |
| 496 HandleScope scope; | 494 HandleScope scope; |
| 497 | 495 |
| 498 { ReappearingPropertyContext context; | 496 { ReappearingPropertyContext context; |
| 499 context.Check("const x; var x = 0", | 497 context.Check("const x; var x = 0", |
| 500 0, | 498 0, |
| 501 3, // const declaration+initialization, var initialization | 499 2, // var declaration + const initialization |
| 502 4, // 2 x declaration + 2 x initialization | 500 4, // 2 x declaration + 2 x initialization |
| 503 EXPECT_RESULT, Undefined()); | 501 EXPECT_EXCEPTION); // x has already been declared! |
| 504 } | 502 } |
| 505 } | 503 } |
| 506 | 504 |
| 507 | 505 |
| 508 | 506 |
| 509 class ExistsInPrototypeContext: public DeclarationContext { | 507 class ExistsInPrototypeContext: public DeclarationContext { |
| 510 protected: | 508 protected: |
| 511 virtual v8::Handle<Integer> Query(Local<String> key) { | 509 virtual v8::Handle<Integer> Query(Local<String> key) { |
| 512 // Let it seem that the property exists in the prototype object. | 510 // Let it seem that the property exists in the prototype object. |
| 513 return Integer::New(v8::None); | 511 return Integer::New(v8::None); |
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| 586 HandleScope scope; | 584 HandleScope scope; |
| 587 | 585 |
| 588 { AbsentInPrototypeContext context; | 586 { AbsentInPrototypeContext context; |
| 589 context.Check("if (false) { var x = 0; }; x", | 587 context.Check("if (false) { var x = 0; }; x", |
| 590 0, | 588 0, |
| 591 0, | 589 0, |
| 592 1, // declaration | 590 1, // declaration |
| 593 EXPECT_RESULT, Undefined()); | 591 EXPECT_RESULT, Undefined()); |
| 594 } | 592 } |
| 595 } | 593 } |
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