tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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15.2.3.6-4-300-1.js (1294B)


      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: 15.2.3.6-4-300-1
      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 [[Configurable]] attribute value of
     11    'name' which is defined as non-configurable (10.6
     12    [[DefineOwnProperty]] step 4 and step 5a)
     13 includes: [propertyHelper.js]
     14 ---*/
     15 
     16 (function(a, b, c) {
     17  function getFunc() {
     18    return 0;
     19  }
     20  Object.defineProperty(arguments, "0", {
     21    get: getFunc,
     22    enumerable: true,
     23    configurable: false
     24  });
     25  try {
     26    Object.defineProperty(arguments, "0", {
     27      configurable: true
     28    });
     29    throw new Test262Error("Expected an exception.");
     30  } catch (e) {
     31    if (a !== 0) {
     32      throw new Test262Error('Expected a === 0, actually ' + a);
     33    }
     34    verifyEqualTo(arguments, "0", getFunc());
     35 
     36    if (!(e instanceof TypeError)) {
     37      throw new Test262Error("Expected TypeError, got " + e);
     38    }
     39  }
     40 
     41  verifyProperty(arguments, "0", {
     42    enumerable: true,
     43    configurable: false,
     44  });
     45 }(0, 1, 2));
     46 
     47 reportCompare(0, 0);