basic JavaScript object with properties useful for unit testing

TestObject.js

/**** basic JavaScript object whose properties could be used for unit testing ****/

  function newTestObject () {
    return {
      undefined:undefined,
      null:null,
      true:true, false:false,
      negativeInteger:-123, zero:0, positiveInteger:123,
      negativeInfinity:-Infinity, Number:Math.PI, positiveInfinity:Infinity, NaN:NaN,
      emptyString:'', String:'Test',
      lambda:function (x) { return x*x },
      namedFunction:function Test () { return 'Hello, World!' },
      emptyObject:{}, FoundationObject:Object.create(null), Object:{
        undefined:undefined,
        null:null,
        true:true, false:false,
        negativeInteger:-123, zero:0, positiveInteger:123,
        negativeInfinity:-Infinity, Number:Math.PI, positiveInfinity:Infinity, NaN:NaN,
        emptyString:'', String:'Test',
        lambda:function (x) { return x*x },
        namedFunction:function Test () { return 'Hello, World!' },
        emptyObject:{}, FoundationObject:Object.create(null), Object:{
          undefined:undefined,
          null:null,
          true:true, false:false,
          negativeInteger:-123, zero:0, positiveInteger:123,
          negativeInfinity:-Infinity, Number:Math.PI, positiveInfinity:Infinity, NaN:NaN,
          emptyString:'', String:'Test',
          lambda:function (x) { return x*x },
          namedFunction:function Test () { return 'Hello, World!' },
          emptyObject:{}, FoundationObject:Object.create(null),
          emptyArray:[]
        }, emptyArray:[], Array:[
          undefined, null,
          true, false, -123, 0, 123, -Infinity, Math.PI, Infinity, NaN, '', 'Test',
          function (x) { return x*x }, function Test () { return 'Hello, World!' },
          {}, Object.create(null), []
        ]
      },
      emptyArray:[], Array:[
        undefined, null,
        true, false, -123, 0, 123, -Infinity, Math.PI, Infinity, NaN, '', 'Test',
        function (x) { return x*x }, function Test () { return 'Hello, World!' },
        {}, Object.create(null), {
          undefined:undefined,
          null:null,
          true:true, false:false,
          negativeInteger:-123, zero:0, positiveInteger:123,
          negativeInfinity:-Infinity, Number:Math.PI, positiveInfinity:Infinity, NaN:NaN,
          emptyString:'', String:'Test',
          lambda:function (x) { return x*x },
          namedFunction:function Test () { return 'Hello, World!' },
          emptyObject:{}, FoundationObject:Object.create(null),
          emptyArray:[]
        }, [], [
          undefined, null,
          true, false, -123, 0, 123, -Infinity, Math.PI, Infinity, NaN, '', 'Test',
          function (x) { return x*x }, function Test () { return 'Hello, World!' },
          {}, Object.create(null), []
        ]
      ]
    };
  };

  var TestObject = newTestObject();