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 */ 29 30 import javax.script.*; 31 32 public class GetInterfaceTest { 33 public static void main(String[] args) throws Exception { 34 ScriptEngineManager manager = new ScriptEngineManager(); 35 ScriptEngine engine = manager.getEngineByName("js"); 36 37 if (engine == null) { 38 System.out.println("Warning: No engine engine found; test vacuously passes."); 39 return; 40 } 41 42 // don't define any function. 43 engine.eval(""); 44 45 Runnable runnable = ((Invocable)engine).getInterface(Runnable.class); 46 if (runnable != null) { 47 throw new RuntimeException("runnable is not null!"); 48 } 49 50 // now define "run" 51 engine.eval("function run() { println('this is run function'); }"); 52 runnable = ((Invocable)engine).getInterface(Runnable.class); 53 // should not return null now! 54 runnable.run(); 55 56 // define only one method of "Foo2" 57 engine.eval("function bar() { println('bar function'); }"); 58 Foo2 foo2 = ((Invocable)engine).getInterface(Foo2.class); 59 if (foo2 != null) { 60 throw new RuntimeException("foo2 is not null!"); 61 } 62 63 // now define other method of "Foo2" 64 engine.eval("function bar2() { println('bar2 function'); }"); 65 foo2 = ((Invocable)engine).getInterface(Foo2.class); 66 foo2.bar(); 67 foo2.bar2(); 68 } 69 70 interface Foo { 71 public void bar(); 72 } 73 74 interface Foo2 extends Foo { 75 public void bar2(); 76 } 77 }