wtest 0.1.2

Tools for writing and running tests.
Documentation 
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let objectSetFieldConstant = require( './5_ImplementationAddConstantField.s' );

let obj = { fieldToBeRemained : 1, fieldToBeChanged : 2 };

objectSetFieldConstant( obj, 'field1', 1 );
objectSetFieldConstant( obj, 'fieldToBeChanged', 'changed' );
objectSetFieldConstant( obj, 'fieldToBeRemained', null );

console.log( Object.getOwnPropertyDescriptors( obj ) );
/*
log :
{
  fieldToBeRemained:
  {
    value: 1,
    writable: false,
    enumerable: true,
    configurable: false
  },
  fieldToBeChanged:
  {
    value: 'changed',
    writable: false,
    enumerable: true,
    configurable: false
  },
  field1:
  {
    value: 1,
    writable: false,
    enumerable: true,
    configurable: false
  }
}
*/