1 /* 2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 6960211 27 * @summary JavaScript engine allows creation of interface although methods not available. 28 * @run main/othervm -Djava.awt.headless=true GetInterfaceTest 29 */ 30 31 import javax.script.*; 32 33 public class GetInterfaceTest { 34 public static void main(String[] args) throws Exception { 35 ScriptEngineManager manager = new ScriptEngineManager(); 36 ScriptEngine engine = manager.getEngineByName("js"); 37 38 if (engine == null) { 39 System.out.println("Warning: No engine engine found; test vacuously passes."); 40 return; 41 } 42 43 // don't define any function. 44 engine.eval(""); 45 46 Runnable runnable = ((Invocable)engine).getInterface(Runnable.class); 47 if (runnable != null) { 48 throw new RuntimeException("runnable is not null!"); 49 } 50 51 // now define "run" 52 engine.eval("function run() { println('this is run function'); }"); 53 runnable = ((Invocable)engine).getInterface(Runnable.class); 54 // should not return null now! 55 runnable.run(); 56 57 // define only one method of "Foo2" 58 engine.eval("function bar() { println('bar function'); }"); 59 Foo2 foo2 = ((Invocable)engine).getInterface(Foo2.class); 60 if (foo2 != null) { 61 throw new RuntimeException("foo2 is not null!"); 62 } 63 64 // now define other method of "Foo2" 65 engine.eval("function bar2() { println('bar2 function'); }"); 66 foo2 = ((Invocable)engine).getInterface(Foo2.class); 67 foo2.bar(); 68 foo2.bar2(); 69 } 70 71 interface Foo { 72 public void bar(); 73 } 74 75 interface Foo2 extends Foo { 76 public void bar2(); 77 } 78 }