mirror of
				https://github.com/tc39/test262.git
				synced 2025-11-03 21:24:30 +01:00 
			
		
		
		
	sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
		
			
				
	
	
		
			28 lines
		
	
	
		
			577 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			577 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
// Copyright 2017 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.
 | 
						|
 | 
						|
function f() {
 | 
						|
}
 | 
						|
 | 
						|
// Make prototype of f go dictionary-mode.
 | 
						|
for (var i = 0; i < 10000; i++) {
 | 
						|
  f.prototype["b" + i] = 1;
 | 
						|
}
 | 
						|
 | 
						|
var o = new f();
 | 
						|
 | 
						|
function access(o, k) {
 | 
						|
  return o[k];
 | 
						|
}
 | 
						|
 | 
						|
// Create a thin string.
 | 
						|
var p = "b";
 | 
						|
p += 10001;
 | 
						|
 | 
						|
assertEquals(undefined, access(o, p));
 | 
						|
assertEquals(undefined, access(o, p));
 | 
						|
assertEquals(undefined, access(o, p));
 | 
						|
f.prototype[p] = 100;
 | 
						|
assertEquals(100, access(o, p));
 |