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	* Automated assertion message update: Array.from * Automated assertion message update: Array.isArray * Automated assertion message update: Array length property * Automated assertion message update: Array.of * Automated assertion message update: Array * Automated assertion message update: Array.prototype.at * Automated assertion message update: Array.prototype.concat * Automated assertion message update: compareArray -> assert.compareArray
		
			
				
	
	
		
			33 lines
		
	
	
		
			724 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			724 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // Copyright 2015 Microsoft Corporation. All rights reserved.
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| // This code is governed by the license found in the LICENSE file.
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| 
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| /*---
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| description: Source object has iterator which throws
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| esid: sec-array.from
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| es6id: 22.1.2.1
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| features: [Symbol.iterator]
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| ---*/
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| 
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| var array = [2, 4, 8, 16, 32, 64, 128];
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| var obj = {
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|   [Symbol.iterator]() {
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|     return {
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|       index: 0,
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|       next() {
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|         throw new Test262Error();
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|       },
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|       isDone: false,
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|       get val() {
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|         this.index++;
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|         if (this.index > 7) {
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|           this.isDone = true;
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|         }
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|         return 1 << this.index;
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|       }
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|     };
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|   }
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| };
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| assert.throws(Test262Error, function() {
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|   Array.from(obj);
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| }, 'Array.from(obj) throws a Test262Error exception');
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