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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project 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 // Flags: --harmony-destructuring --harmony-computed-property-names | 5 // Flags: --harmony-destructuring --harmony-computed-property-names |
6 | 6 |
7 (function TestObjectLiteralPattern() { | 7 (function TestObjectLiteralPattern() { |
8 var { x : x, y : y } = { x : 1, y : 2 }; | 8 var { x : x, y : y } = { x : 1, y : 2 }; |
9 assertEquals(1, x); | 9 assertEquals(1, x); |
10 assertEquals(2, y); | 10 assertEquals(2, y); |
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638 } | 638 } |
639 assertSame(6, sumX); | 639 assertSame(6, sumX); |
640 assertSame(-6, sumY); | 640 assertSame(-6, sumY); |
641 assertSame(3, fs.length); | 641 assertSame(3, fs.length); |
642 for (let i = 0; i < fs.length; i++) { | 642 for (let i = 0; i < fs.length; i++) { |
643 let {fx,fy} = fs[i]; | 643 let {fx,fy} = fs[i]; |
644 assertSame(i+1, fx()); | 644 assertSame(i+1, fx()); |
645 assertSame(-(i+1), fy()); | 645 assertSame(-(i+1), fy()); |
646 } | 646 } |
647 | 647 |
648 var o = { 'a1':1, 'b2':2 }; | 648 var o = { __proto__:null, 'a1':1, 'b2':2 }; |
649 o.__proto__ = null; | |
650 let sx = ''; | 649 let sx = ''; |
651 let sy = ''; | 650 let sy = ''; |
652 for (let [x,y] in o) { | 651 for (let [x,y] in o) { |
653 sx += x; | 652 sx += x; |
654 sy += y; | 653 sy += y; |
655 } | 654 } |
656 assertEquals('ab', sx); | 655 assertEquals('ab', sx); |
657 assertEquals('12', sy); | 656 assertEquals('12', sy); |
658 }()); | 657 }()); |
| 658 |
| 659 |
| 660 (function TestForEachVars() { |
| 661 var a = [{x:1, y:-1}, {x:2,y:-2}, {x:3,y:-3}]; |
| 662 var sumX = 0; |
| 663 var sumY = 0; |
| 664 var fs = []; |
| 665 for (var {x,y} of a) { |
| 666 sumX += x; |
| 667 sumY += y; |
| 668 fs.push({fx : function() { return x; }, fy : function() { return y }}); |
| 669 } |
| 670 assertSame(6, sumX); |
| 671 assertSame(-6, sumY); |
| 672 assertSame(3, fs.length); |
| 673 for (var i = 0; i < fs.length; i++) { |
| 674 var {fx,fy} = fs[i]; |
| 675 assertSame(3, fx()); |
| 676 assertSame(-3, fy()); |
| 677 } |
| 678 |
| 679 var o = { __proto__:null, 'a1':1, 'b2':2 }; |
| 680 var sx = ''; |
| 681 var sy = ''; |
| 682 for (var [x,y] in o) { |
| 683 sx += x; |
| 684 sy += y; |
| 685 } |
| 686 assertEquals('ab', sx); |
| 687 assertEquals('12', sy); |
| 688 }()); |
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