78 lines
2.6 KiB
Java
78 lines
2.6 KiB
Java
/*
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* Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 6960211
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* @summary JavaScript engine allows creation of interface although methods not available.
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*/
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import javax.script.*;
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public class GetInterfaceTest {
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public static void main(String[] args) throws Exception {
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ScriptEngineManager manager = new ScriptEngineManager();
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ScriptEngine engine = manager.getEngineByName("nashorn");
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if (engine == null) {
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System.out.println("Warning: No js engine found; test vacuously passes.");
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return;
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}
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// don't define any function.
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engine.eval("");
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Runnable runnable = ((Invocable)engine).getInterface(Runnable.class);
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if (runnable != null) {
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throw new RuntimeException("runnable is not null!");
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}
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// now define "run"
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engine.eval("function run() { print('this is run function'); }");
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runnable = ((Invocable)engine).getInterface(Runnable.class);
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// should not return null now!
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runnable.run();
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// define only one method of "Foo2"
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engine.eval("function bar() { print('bar function'); }");
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Foo2 foo2 = ((Invocable)engine).getInterface(Foo2.class);
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if (foo2 != null) {
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throw new RuntimeException("foo2 is not null!");
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}
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// now define other method of "Foo2"
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engine.eval("function bar2() { print('bar2 function'); }");
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foo2 = ((Invocable)engine).getInterface(Foo2.class);
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foo2.bar();
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foo2.bar2();
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}
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public interface Foo {
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public void bar();
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}
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public interface Foo2 extends Foo {
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public void bar2();
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}
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}
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