rhino1.7.7.testsrc.tests.lc3.forin.object-001.js Maven / Gradle / Ivy

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Rhino is an open-source implementation of JavaScript written entirely in Java. It is typically embedded into Java applications to provide scripting to end users.
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

gTestfile = 'object-001.js';

/**
 *  Verify that for-in loops can be used with java objects.
 *
 *  Java array members of object instances should be enumerated in
 *  for... in loops.
 *
 */
var SECTION = "for...in";
var VERSION = "1_4";
var TITLE   = "LiveConnect 3.0";
SECTION;
startTest();

// we just need to know the names of all the expected enumerated
// properties.  we will get the values to the original objects.

var dt = new Packages.com.netscape.javascript.qa.liveconnect.DataTypeClass;

var a = new Array();

a[a.length] = new TestObject(
  dt.PUB_STRING,
  "var dt = new Packages.com.netscape.javascript.qa.liveconnect.DataTypeClass; dt.getString()",
  0,
  "java.lang.String");

a[a.length] = new TestObject(
  dt.getLongObject(),
  "dt.getLongObject()",
  0,
  "java.lang.Long");

a[a.length] = new TestObject(
  new java.awt.Rectangle(5,6,7,8),
  "new java.awt.Rectangle(5,6,7,8)",
  0,
  "java.awt.Rectangle");

for ( var i = 0; i < a.length; i++ ) {
  // check the value of each indexed array item

  for ( var arrayItem = 0; arrayItem < a[i].items; arrayItem++ ) {
    new TestCase(
      "["+arrayItem+"]",
      a[i].javaObject[arrayItem],
      a[i].enumedObject[arrayItem] );
  }

  // verify that all non-static  properties are enumerated


  var fieldArray = getFields( a[i].javaClass );

  for ( var fieldIndex = 0; fieldIndex < fieldArray.length; fieldIndex++ ) {
    var f = fieldArray[fieldIndex] +"";

    if ( ! isStatic( f ) ) {
      var currentField = getFieldName( f );

      new TestCase(
	a[i].javaClass+"." + currentField + " enumerated ",
	true,
	a[i].enumedObject[currentField]+"" == a[i].javaObject[currentField] +"");
    }
  }

  // verify that all non-static methods are enumerated

  var methodArray = getMethods(a[i].javaClass);

  for ( var methodIndex = 0; methodIndex < methodArray.length; methodIndex++ ) {
    var m = methodArray[methodIndex] +"";

    if ( ! isStatic(m)  && inClass( a[i].javaClass, m)) {
      var currentMethod = getMethodName(m);

      new TestCase(
	a[i].javaClass+"."+currentMethod + " enumerated ",
	true,
	a[i].enumedObject[currentMethod] +"" == a[i].javaObject[currentMethod] +"");

    }

  }
}


test();

function TestObject( ob, descr, len, jc) {
  this.javaObject= ob;
  this.description = descr;
  this.items    = len;
  this.javaClass = jc;
  this.enumedObject = new enumObject(ob);
}

function enumObject( o ) {
  this.pCount = 0;
  for ( var p in o ) {
    this.pCount++;
    this[p] = o[p];
  }
}

// only return if the method is a method of the class, not an inherited
// method

function inClass( javaClass, m ) {
  var argIndex = m.lastIndexOf( "(", m.length );
  var methodIndex = m.lastIndexOf( ".", argIndex );
  var classIndex = m.lastIndexOf( " ", methodIndex );
  var className =   m.substr(classIndex +1, methodIndex - classIndex -1 );

  if ( className == javaClass ) {
    return true;
  }
  return false;
}
function isStatic( m ) {
  if ( m.lastIndexOf ( "static" ) > 0 ) {
    return true;
  }
  return false;
}
function getMethods( javaString ) {
  return java.lang.Class.forName( javaString ).getMethods();
}
function getArguments( m ) {
  var argIndex = m.lastIndexOf("(", m.length());
  var argString = m.substr(argIndex+1, m.length() - argIndex -2);
  return argString.split( "," );
}
function getMethodName( m ) {
  var argIndex = m.lastIndexOf( "(", m.length);
  var nameIndex = m.lastIndexOf( ".", argIndex);
  return m.substr( nameIndex +1, argIndex - nameIndex -1 );
}
function getFields( javaClassName ) {
  return java.lang.Class.forName( javaClassName ).getFields();
}
function getFieldName( f ) {
  return f.substr( f.lastIndexOf(".", f.length)+1, f.length );
}
function getFieldNames( javaClassName ) {
  var javaFieldArray = getFields( javaClassName );

  for ( var i = 0, jsFieldArray = new Array(); i < javaFieldArray.length; i++ ) {
    var f = javaFieldArray[i] +"";
    jsFieldArray[i] = f.substr( f.lastIndexOf(".", f.length)+1, f.length );
  }
  return jsFieldArray;
}
function hasMethod( m, noArgs ) {
  for ( var i = 0; i < methods.length; i++ ) {
    if ( (m == methods[i][0]) && (noArgs == methods[i][1].length)) {
      return true;
    }
  }
  return false;
}