tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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15.2.3.6-4-297-1.js (1331B)


      1 // Copyright (c) 2012 Ecma International.  All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 es5id: 15.2.3.6-4-297-1
      6 description: >
      7    Object.defineProperty - 'O' is an Arguments object of a function
      8    that has formal parameters, 'name' is own accessor property of 'O'
      9    which is also defined in [[ParameterMap]] of 'O', test TypeError
     10    is thrown when updating the [[Get]] attribute value of 'name'
     11    which is defined as non-configurable (10.6 [[DefineOwnProperty]]
     12    step 4 and step 5a)
     13 includes: [propertyHelper.js]
     14 ---*/
     15 
     16 (function(a, b, c) {
     17  function getFunc1() {
     18    return 10;
     19  }
     20  Object.defineProperty(arguments, "0", {
     21    get: getFunc1,
     22    enumerable: false,
     23    configurable: false
     24  });
     25 
     26  function getFunc2() {
     27    return 20;
     28  }
     29  try {
     30    Object.defineProperty(arguments, "0", {
     31      get: getFunc2
     32    });
     33    throw new Test262Error("Expected an exception.");
     34  } catch (e) {
     35    if (a !== 0) {
     36      throw new Test262Error('Expected a === 0, actually ' + a);
     37    }
     38 
     39    verifyEqualTo(arguments, "0", getFunc1());
     40 
     41    if (!(e instanceof TypeError)) {
     42      throw new Test262Error("Expected TypeError, got " + e);
     43    }
     44  }
     45 
     46  verifyProperty(arguments, "0", {
     47    enumerable: false,
     48    configurable: false,
     49  });
     50 }(0, 1, 2));
     51 
     52 reportCompare(0, 0);