gecko-dev/js/tests/lc3/forin/object-001.js

/* The contents of this file are subject to the Netscape Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/NPL/
 * 
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * The Original Code is Mozilla Communicator client code, released March
 * 31, 1998.
 * 
 * The Initial Developer of the Original Code is Netscape Communications
 * Corporation. Portions created by Netscape are Copyright (C) 1998
 * Netscape Communications Corporation. All Rights Reserved.
 * 
 */
/**
 *  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++ ) {
            testcases[tc++] = 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 );

                testcases[tc++] = 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);

                testcases[tc++] = 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++;
            if ( typeof p == "number" ) {
                eval( "this["+p+"] = o["+p+"]" );
            } else {
                eval( "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;
    }