LayoutTests/ietestcenter/Javascript/TestCases/15.12-0-2.js

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/*
This test should be run without any built-ins being added/augmented.
The name JSON must be bound to an object, and must not support [[Construct]].
step 4 in 11.2.2 should throw a TypeError exception.
*/


ES5Harness.registerTest( {
id: "15.12-0-2",

path: "TestCases/chapter15/15.12/15.12-0-2.js",

description: "JSON must not support the [[Construct]] method",

test: function testcase() {
  var o = JSON;

  try {
    var j = new JSON();
  }
  catch (e) {
    if (e instanceof TypeError) {
      return true;
    }
  }
 },

 precondition: function preq () {
  return JSON !== undefined;
  }
});