text: // Copyright (C) 2015 the V8 project authors. All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  /*---
  es6id: 9.5.4
  description: >
      If boolean trap result if false, return false.
  features: [Reflect]
  ---*/
  
  var target = {};
  var p = new Proxy({}, {
      preventExtensions: function(t) {
          return 0;
      }
  });
  
  assert.sameValue(Reflect.preventExtensions(p), false);
  
  Object.preventExtensions(target);
  
  assert.sameValue(Reflect.preventExtensions(p), false);
  