rt/vm/src/test/java/org/apidesign/vm4brwsr/LibUse.java
author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
Wed, 08 Jun 2016 06:50:38 +0200
branchLibraries
changeset 1966 80851e48a68f
parent 1965 973e52d4cabb
child 1968 61a5c529136c
permissions -rw-r--r--
InstanceOf and cast for direct libraries
     1 /**
     2  * Back 2 Browser Bytecode Translator
     3  * Copyright (C) 2012-2015 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     4  *
     5  * This program is free software: you can redistribute it and/or modify
     6  * it under the terms of the GNU General Public License as published by
     7  * the Free Software Foundation, version 2 of the License.
     8  *
     9  * This program is distributed in the hope that it will be useful,
    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12  * GNU General Public License for more details.
    13  *
    14  * You should have received a copy of the GNU General Public License
    15  * along with this program. Look for COPYING file in the top folder.
    16  * If not, see http://opensource.org/licenses/GPL-2.0.
    17  */
    18 package org.apidesign.vm4brwsr;
    19 
    20 import static net.java.html.lib.Exports.eval;
    21 import net.java.html.lib.Objs;
    22 
    23 public class LibUse {
    24     public static int fourtyTwo() {
    25         Number n = (Number) eval("6 * 7");
    26         return n.intValue();
    27     }
    28 
    29     public static String hiProperty() {
    30         final Object obj = eval("var x = {}; x.x = 'Hi'; x");
    31         if (obj == null) {
    32             throw new IllegalStateException("Some Value returned " + obj);
    33         }
    34         if (!(obj instanceof Objs)) {
    35             throw new IllegalStateException("The result is Objs: " + obj.getClass());
    36         }
    37         Objs js = (Objs) obj;
    38         return (String) js.$get("x");
    39     }
    40 }