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Side by Side Diff: test/mjsunit/harmony/typedarrays.js

Issue 659313002: Revert "Correct semantics for numerically indexed stores to typed arrays." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 2 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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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474 assertArrayPrefix(expected, a); 474 assertArrayPrefix(expected, a);
475 assertThrows(function() { a.set.call({}) }, TypeError); 475 assertThrows(function() { a.set.call({}) }, TypeError);
476 assertThrows(function() { a.set.call([]) }, TypeError); 476 assertThrows(function() { a.set.call([]) }, TypeError);
477 477
478 assertThrows(function() { a.set(0); }, TypeError); 478 assertThrows(function() { a.set(0); }, TypeError);
479 assertThrows(function() { a.set(0, 1); }, TypeError); 479 assertThrows(function() { a.set(0, 1); }, TypeError);
480 } 480 }
481 481
482 TestTypedArraySet(); 482 TestTypedArraySet();
483 483
484 function TestTypedArraysWithIllegalIndices() {
485 var a = new Int32Array(100);
486
487 a[-10] = 10;
488 assertEquals(undefined, a[-10]);
489 a["-10"] = 10;
490 assertEquals(undefined, a["-10"]);
491
492 var s = " -10";
493 a[s] = 10;
494 assertEquals(10, a[s]);
495 var s1 = " -10 ";
496 a[s] = 10;
497 assertEquals(10, a[s]);
498
499 a["-1e2"] = 10;
500 assertEquals(10, a["-1e2"]);
501 assertEquals(undefined, a[-1e2]);
502
503 a[-Infinity] = 50;
504 assertEquals(undefined, a[-Infinity]);
505 a[1.5] = 10;
506 assertEquals(undefined, a[1.5]);
507 var nan = Math.sqrt(-1);
508 a[nan] = 5;
509 assertEquals(5, a[nan]);
510
511 var x = 0;
512 var y = -0;
513 assertEquals(Infinity, 1/x);
514 assertEquals(-Infinity, 1/y);
515 a[x] = 5;
516 a[y] = 27;
517 assertEquals(27, a[x]);
518 assertEquals(27, a[y]);
519 }
520
521 TestTypedArraysWithIllegalIndices();
522
523 function TestTypedArraysWithIllegalIndicesStrict() {
524 'use strict';
525 var a = new Int32Array(100);
526
527 a[-10] = 10;
528 assertEquals(undefined, a[-10]);
529 a["-10"] = 10;
530 assertEquals(undefined, a["-10"]);
531
532 var s = " -10";
533 a[s] = 10;
534 assertEquals(10, a[s]);
535 var s1 = " -10 ";
536 a[s] = 10;
537 assertEquals(10, a[s]);
538
539 a["-1e2"] = 10;
540 assertEquals(10, a["-1e2"]);
541 assertEquals(undefined, a[-1e2]);
542
543 a[-Infinity] = 50;
544 assertEquals(undefined, a[-Infinity]);
545 a[1.5] = 10;
546 assertEquals(undefined, a[1.5]);
547 var nan = Math.sqrt(-1);
548 a[nan] = 5;
549 assertEquals(5, a[nan]);
550
551 var x = 0;
552 var y = -0;
553 assertEquals(Infinity, 1/x);
554 assertEquals(-Infinity, 1/y);
555 a[x] = 5;
556 a[y] = 27;
557 assertEquals(27, a[x]);
558 assertEquals(27, a[y]);
559 }
560
561 TestTypedArraysWithIllegalIndicesStrict();
562
563 // DataView 484 // DataView
564 function TestDataViewConstructor() { 485 function TestDataViewConstructor() {
565 var ab = new ArrayBuffer(256); 486 var ab = new ArrayBuffer(256);
566 487
567 var d1 = new DataView(ab, 1, 255); 488 var d1 = new DataView(ab, 1, 255);
568 assertTrue(ArrayBuffer.isView(d1)); 489 assertTrue(ArrayBuffer.isView(d1));
569 assertSame(ab, d1.buffer); 490 assertSame(ab, d1.buffer);
570 assertSame(1, d1.byteOffset); 491 assertSame(1, d1.byteOffset);
571 assertSame(255, d1.byteLength); 492 assertSame(255, d1.byteLength);
572 493
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663 TestArbitrary(new ArrayBuffer(256)); 584 TestArbitrary(new ArrayBuffer(256));
664 for(i = 0; i < typedArrayConstructors.length; i++) { 585 for(i = 0; i < typedArrayConstructors.length; i++) {
665 TestArbitrary(new typedArrayConstructors[i](10)); 586 TestArbitrary(new typedArrayConstructors[i](10));
666 } 587 }
667 TestArbitrary(new DataView(new ArrayBuffer(256))); 588 TestArbitrary(new DataView(new ArrayBuffer(256)));
668 589
669 590
670 // Test direct constructor call 591 // Test direct constructor call
671 assertThrows(function() { ArrayBuffer(); }, TypeError); 592 assertThrows(function() { ArrayBuffer(); }, TypeError);
672 assertThrows(function() { DataView(new ArrayBuffer()); }, TypeError); 593 assertThrows(function() { DataView(new ArrayBuffer()); }, TypeError);
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