mirror of
				https://github.com/tc39/test262.git
				synced 2025-10-31 03:34:08 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			24 lines
		
	
	
		
			606 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			606 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // Copyright 2018 the V8 project authors. All rights reserved.
 | |
| // Use of this source code is governed by a BSD-style license that can be
 | |
| // found in the LICENSE file.
 | |
| 
 | |
| // Fill up the Array prototype's elements.
 | |
| for (let i = 0; i < 100; i++) Array.prototype.unshift(3.14);
 | |
| 
 | |
| // Create a holey double elements array.
 | |
| const o31 = [1.1];
 | |
| o31[37] = 2.2;
 | |
| 
 | |
| // Concat converts to dictionary elements.
 | |
| const o51 = o31.concat(false);
 | |
| 
 | |
| // Set one element to undefined to trigger the movement bug.
 | |
| o51[0] = undefined;
 | |
| 
 | |
| assertEquals(o51.length, 39);
 | |
| 
 | |
| // Sort triggers the bug.
 | |
| o51.sort();
 | |
| 
 | |
| assertEquals(o51.length, 39);
 |