jdk8-mips64-public/nashorn: test/src/jdk/nashorn/api/scripting/InvocableTest.java@c6ed9226b007 (annotated)

test/src/jdk/nashorn/api/scripting/InvocableTest.java@c6ed9226b007 (annotated)

test/src/jdk/nashorn/api/scripting/InvocableTest.java

Thu, 09 Jan 2014 19:23:34 +0530

author: sundar
date: Thu, 09 Jan 2014 19:23:34 +0530
changeset 755: c6ed9226b007
parent 518: d82ac93aa55c
child 952: 6d5471a497fb
child 962: ac62e33a99b0
permissions: -rw-r--r--

8031359: Invocable.getInterface() works incorrectly if interface has default methods
Reviewed-by: attila, hannesw

 /*
  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package jdk.nashorn.api.scripting;
 import java.util.Objects;
 import java.util.function.Function;
 import javax.script.Invocable;
 import javax.script.ScriptContext;
 import javax.script.ScriptEngine;
 import javax.script.ScriptEngineManager;
 import javax.script.ScriptException;
 import javax.script.SimpleScriptContext;
 import org.testng.Assert;
 import static org.testng.Assert.assertEquals;
 import static org.testng.Assert.fail;
 import org.testng.annotations.Test;
 /**
  * Tests for javax.script.Invocable implementation of nashorn.
  */
 public class InvocableTest {
     private void log(String msg) {
         org.testng.Reporter.log(msg, true);
     }
     @Test
     public void invokeMethodTest() {
         final ScriptEngineManager m = new ScriptEngineManager();
         final ScriptEngine e = m.getEngineByName("nashorn");
         try {
             e.eval("var Example = function() { this.hello = function() { return 'Hello World!'; };}; myExample = new Example();");
             final Object obj = e.get("myExample");
             final Object res = ((Invocable) e).invokeMethod(obj, "hello");
             assertEquals(res, "Hello World!");
         } catch (final Exception exp) {
             exp.printStackTrace();
             fail(exp.getMessage());
         }
     }
     @Test
     /**
      * Check that we can call invokeMethod on an object that we got by
      * evaluating script with different Context set.
      */
     public void invokeMethodDifferentContextTest() {
         ScriptEngineManager m = new ScriptEngineManager();
         ScriptEngine e = m.getEngineByName("nashorn");
         try {
             // define an object with method on it
             Object obj = e.eval("({ hello: function() { return 'Hello World!'; } })");
             final ScriptContext ctxt = new SimpleScriptContext();
             ctxt.setBindings(e.createBindings(), ScriptContext.ENGINE_SCOPE);
             e.setContext(ctxt);
             // invoke 'func' on obj - but with current script context changed
             final Object res = ((Invocable) e).invokeMethod(obj, "hello");
             assertEquals(res, "Hello World!");
         } catch (final Exception exp) {
             exp.printStackTrace();
             fail(exp.getMessage());
         }
     }
     @Test
     /**
      * Check that invokeMethod throws NPE on null method name.
      */
     public void invokeMethodNullNameTest() {
         final ScriptEngineManager m = new ScriptEngineManager();
         final ScriptEngine e = m.getEngineByName("nashorn");
         try {
             final Object obj = e.eval("({})");
             final Object res = ((Invocable) e).invokeMethod(obj, null);
             fail("should have thrown NPE");
         } catch (final Exception exp) {
             if (!(exp instanceof NullPointerException)) {
                 exp.printStackTrace();
                 fail(exp.getMessage());
             }
         }
     }
     @Test
     /**
      * Check that invokeMethod throws NoSuchMethodException on missing method.
      */
     public void invokeMethodMissingTest() {
         final ScriptEngineManager m = new ScriptEngineManager();
         final ScriptEngine e = m.getEngineByName("nashorn");
         try {
             final Object obj = e.eval("({})");
             final Object res = ((Invocable) e).invokeMethod(obj, "nonExistentMethod");
             fail("should have thrown NoSuchMethodException");
         } catch (final Exception exp) {
             if (!(exp instanceof NoSuchMethodException)) {
                 exp.printStackTrace();
                 fail(exp.getMessage());
             }
         }
     }
     @Test
     /**
      * Check that calling method on non-script object 'thiz' results in
      * IllegalArgumentException.
      */
     public void invokeMethodNonScriptObjectThizTest() {
         final ScriptEngineManager m = new ScriptEngineManager();
         final ScriptEngine e = m.getEngineByName("nashorn");
         try {
             ((Invocable) e).invokeMethod(new Object(), "toString");
             fail("should have thrown IllegalArgumentException");
         } catch (final Exception exp) {
             if (!(exp instanceof IllegalArgumentException)) {
                 exp.printStackTrace();
                 fail(exp.getMessage());
             }
         }
     }
     @Test
     /**
      * Check that calling method on null 'thiz' results in
      * IllegalArgumentException.
      */
     public void invokeMethodNullThizTest() {
         final ScriptEngineManager m = new ScriptEngineManager();
         final ScriptEngine e = m.getEngineByName("nashorn");
         try {
             ((Invocable) e).invokeMethod(null, "toString");
             fail("should have thrown IllegalArgumentException");
         } catch (final Exception exp) {
             if (!(exp instanceof IllegalArgumentException)) {
                 exp.printStackTrace();
                 fail(exp.getMessage());
             }
         }
     }
     @Test
     /**
      * Check that calling method on mirror created by another engine results in
      * IllegalArgumentException.
      */
     public void invokeMethodMixEnginesTest() {
         final ScriptEngineManager m = new ScriptEngineManager();
         final ScriptEngine engine1 = m.getEngineByName("nashorn");
         final ScriptEngine engine2 = m.getEngineByName("nashorn");
         try {
             Object obj = engine1.eval("({ run: function() {} })");
             // pass object from engine1 to engine2 as 'thiz' for invokeMethod
             ((Invocable) engine2).invokeMethod(obj, "run");
             fail("should have thrown IllegalArgumentException");
         } catch (final Exception exp) {
             if (!(exp instanceof IllegalArgumentException)) {
                 exp.printStackTrace();
                 fail(exp.getMessage());
             }
         }
     }
     @Test
     public void getInterfaceTest() {
         final ScriptEngineManager m = new ScriptEngineManager();
         final ScriptEngine e = m.getEngineByName("nashorn");
         final Invocable inv = (Invocable) e;
         // try to get interface from global functions
         try {
             e.eval("function run() { print('run'); };");
             final Runnable runnable = inv.getInterface(Runnable.class);
             runnable.run();
         } catch (final Exception exp) {
             exp.printStackTrace();
             fail(exp.getMessage());
         }
         // try interface on specific script object
         try {
             e.eval("var obj = { run: function() { print('run from obj'); } };");
             Object obj = e.get("obj");
             final Runnable runnable = inv.getInterface(obj, Runnable.class);
             runnable.run();
         } catch (final Exception exp) {
             exp.printStackTrace();
             fail(exp.getMessage());
         }
     }
     public interface Foo {
         public void bar();
     }
     public interface Foo2 extends Foo {
         public void bar2();
     }
     @Test
     public void getInterfaceMissingTest() {
         final ScriptEngineManager manager = new ScriptEngineManager();
         final ScriptEngine engine = manager.getEngineByName("nashorn");
         // don't define any function.
         try {
             engine.eval("");
         } catch (final Exception exp) {
             exp.printStackTrace();
             fail(exp.getMessage());
         }
         Runnable runnable = ((Invocable) engine).getInterface(Runnable.class);
         if (runnable != null) {
             fail("runnable is not null!");
         }
         // now define "run"
         try {
             engine.eval("function run() { print('this is run function'); }");
         } catch (final Exception exp) {
             exp.printStackTrace();
             fail(exp.getMessage());
         }
         runnable = ((Invocable) engine).getInterface(Runnable.class);
         // should not return null now!
         runnable.run();
         // define only one method of "Foo2"
         try {
             engine.eval("function bar() { print('bar function'); }");
         } catch (final Exception exp) {
             exp.printStackTrace();
             fail(exp.getMessage());
         }
         Foo2 foo2 = ((Invocable) engine).getInterface(Foo2.class);
         if (foo2 != null) {
             throw new RuntimeException("foo2 is not null!");
         }
         // now define other method of "Foo2"
         try {
             engine.eval("function bar2() { print('bar2 function'); }");
         } catch (final Exception exp) {
             exp.printStackTrace();
             fail(exp.getMessage());
         }
         foo2 = ((Invocable) engine).getInterface(Foo2.class);
         foo2.bar();
         foo2.bar2();
     }
     @Test
     /**
      * Try passing non-interface Class object for interface implementation.
      */
     public void getNonInterfaceGetInterfaceTest() {
         final ScriptEngineManager manager = new ScriptEngineManager();
         final ScriptEngine engine = manager.getEngineByName("nashorn");
         try {
             log(Objects.toString(((Invocable) engine).getInterface(Object.class)));
             fail("Should have thrown IllegalArgumentException");
         } catch (final Exception exp) {
             if (!(exp instanceof IllegalArgumentException)) {
                 fail("IllegalArgumentException expected, got " + exp);
             }
         }
     }
     @Test
     /**
      * Check that we can get interface out of a script object even after
      * switching to use different ScriptContext.
      */
     public void getInterfaceDifferentContext() {
         ScriptEngineManager m = new ScriptEngineManager();
         ScriptEngine e = m.getEngineByName("nashorn");
         try {
             Object obj = e.eval("({ run: function() { } })");
             // change script context
             ScriptContext ctxt = new SimpleScriptContext();
             ctxt.setBindings(e.createBindings(), ScriptContext.ENGINE_SCOPE);
             e.setContext(ctxt);
             Runnable r = ((Invocable) e).getInterface(obj, Runnable.class);
             r.run();
         } catch (final Exception exp) {
             exp.printStackTrace();
             fail(exp.getMessage());
         }
     }
     @Test
     /**
      * Check that getInterface on non-script object 'thiz' results in
      * IllegalArgumentException.
      */
     public void getInterfaceNonScriptObjectThizTest() {
         final ScriptEngineManager m = new ScriptEngineManager();
         final ScriptEngine e = m.getEngineByName("nashorn");
         try {
             ((Invocable) e).getInterface(new Object(), Runnable.class);
             fail("should have thrown IllegalArgumentException");
         } catch (final Exception exp) {
             if (!(exp instanceof IllegalArgumentException)) {
                 exp.printStackTrace();
                 fail(exp.getMessage());
             }
         }
     }
     @Test
     /**
      * Check that getInterface on null 'thiz' results in
      * IllegalArgumentException.
      */
     public void getInterfaceNullThizTest() {
         final ScriptEngineManager m = new ScriptEngineManager();
         final ScriptEngine e = m.getEngineByName("nashorn");
         try {
             ((Invocable) e).getInterface(null, Runnable.class);
             fail("should have thrown IllegalArgumentException");
         } catch (final Exception exp) {
             if (!(exp instanceof IllegalArgumentException)) {
                 exp.printStackTrace();
                 fail(exp.getMessage());
             }
         }
     }
     @Test
     /**
      * Check that calling getInterface on mirror created by another engine
      * results in IllegalArgumentException.
      */
     public void getInterfaceMixEnginesTest() {
         final ScriptEngineManager m = new ScriptEngineManager();
         final ScriptEngine engine1 = m.getEngineByName("nashorn");
         final ScriptEngine engine2 = m.getEngineByName("nashorn");
         try {
             Object obj = engine1.eval("({ run: function() {} })");
             // pass object from engine1 to engine2 as 'thiz' for getInterface
             ((Invocable) engine2).getInterface(obj, Runnable.class);
             fail("should have thrown IllegalArgumentException");
         } catch (final Exception exp) {
             if (!(exp instanceof IllegalArgumentException)) {
                 exp.printStackTrace();
                 fail(exp.getMessage());
             }
         }
     }
     @Test
     /**
      * check that null function name results in NPE.
      */
     public void invokeFunctionNullNameTest() {
         final ScriptEngineManager m = new ScriptEngineManager();
         final ScriptEngine e = m.getEngineByName("nashorn");
         try {
             final Object res = ((Invocable) e).invokeFunction(null);
             fail("should have thrown NPE");
         } catch (final Exception exp) {
             if (!(exp instanceof NullPointerException)) {
                 exp.printStackTrace();
                 fail(exp.getMessage());
             }
         }
     }
     @Test
     /**
      * Check that attempt to call missing function results in
      * NoSuchMethodException.
      */
     public void invokeFunctionMissingTest() {
         final ScriptEngineManager m = new ScriptEngineManager();
         final ScriptEngine e = m.getEngineByName("nashorn");
         try {
             final Object res = ((Invocable) e).invokeFunction("NonExistentFunc");
             fail("should have thrown NoSuchMethodException");
         } catch (final Exception exp) {
             if (!(exp instanceof NoSuchMethodException)) {
                 exp.printStackTrace();
                 fail(exp.getMessage());
             }
         }
     }
     @Test
     /**
      * Check that invokeFunction calls functions only from current context's
      * Bindings.
      */
     public void invokeFunctionDifferentContextTest() {
         ScriptEngineManager m = new ScriptEngineManager();
         ScriptEngine e = m.getEngineByName("nashorn");
         try {
             // define an object with method on it
             Object obj = e.eval("function hello() { return 'Hello World!'; }");
             final ScriptContext ctxt = new SimpleScriptContext();
             ctxt.setBindings(e.createBindings(), ScriptContext.ENGINE_SCOPE);
             // change engine's current context
             e.setContext(ctxt);
             ((Invocable) e).invokeFunction("hello"); // no 'hello' in new context!
             fail("should have thrown NoSuchMethodException");
         } catch (final Exception exp) {
             if (!(exp instanceof NoSuchMethodException)) {
                 exp.printStackTrace();
                 fail(exp.getMessage());
             }
         }
     }
     @Test
     public void invokeFunctionExceptionTest() {
         final ScriptEngineManager m = new ScriptEngineManager();
         final ScriptEngine e = m.getEngineByName("nashorn");
         try {
             e.eval("function func() { throw new TypeError(); }");
         } catch (final Throwable t) {
             t.printStackTrace();
             fail(t.getMessage());
         }
         try {
             ((Invocable) e).invokeFunction("func");
             fail("should have thrown exception");
         } catch (final ScriptException se) {
             // ECMA TypeError property wrapped as a ScriptException
             log("got " + se + " as expected");
         } catch (final Throwable t) {
             t.printStackTrace();
             fail(t.getMessage());
         }
     }
     @Test
     public void invokeMethodExceptionTest() {
         final ScriptEngineManager m = new ScriptEngineManager();
         final ScriptEngine e = m.getEngineByName("nashorn");
         try {
             e.eval("var sobj = {}; sobj.foo = function func() { throw new TypeError(); }");
         } catch (final Throwable t) {
             t.printStackTrace();
             fail(t.getMessage());
         }
         try {
             final Object sobj = e.get("sobj");
             ((Invocable) e).invokeMethod(sobj, "foo");
             fail("should have thrown exception");
         } catch (final ScriptException se) {
             // ECMA TypeError property wrapped as a ScriptException
             log("got " + se + " as expected");
         } catch (final Throwable t) {
             t.printStackTrace();
             fail(t.getMessage());
         }
     }
     @Test
     /**
      * Tests whether invocation of a JavaScript method through a variable arity
      * Java method will pass the vararg array. Both non-vararg and vararg
      * JavaScript methods are tested.
      *
      * @throws ScriptException
      */
     public void variableArityInterfaceTest() throws ScriptException {
         final ScriptEngineManager m = new ScriptEngineManager();
         final ScriptEngine e = m.getEngineByName("nashorn");
         e.eval(
                 "function test1(i, strings) {"
                 + "    return 'i == ' + i + ', strings instanceof java.lang.String[] == ' + (strings instanceof Java.type('java.lang.String[]')) + ', strings == ' + java.util.Arrays.toString(strings)"
                 + "}"
                 + "function test2() {"
                 + "    return 'arguments[0] == ' + arguments[0] + ', arguments[1] instanceof java.lang.String[] == ' + (arguments[1] instanceof Java.type('java.lang.String[]')) + ', arguments[1] == ' + java.util.Arrays.toString(arguments[1])"
                 + "}");
         final VariableArityTestInterface itf = ((Invocable) e).getInterface(VariableArityTestInterface.class);
         Assert.assertEquals(itf.test1(42, "a", "b"), "i == 42, strings instanceof java.lang.String[] == true, strings == [a, b]");
         Assert.assertEquals(itf.test2(44, "c", "d", "e"), "arguments[0] == 44, arguments[1] instanceof java.lang.String[] == true, arguments[1] == [c, d, e]");
     }
     @Test
     @SuppressWarnings("unchecked")
     public void defaultMethodTest() throws ScriptException {
         final ScriptEngineManager m = new ScriptEngineManager();
         final ScriptEngine e = m.getEngineByName("nashorn");
         final Invocable inv = (Invocable) e;
         Object obj = e.eval("({ apply: function(arg) { return arg.toUpperCase(); }})");
         Function<String, String> func = inv.getInterface(obj, Function.class);
         assertEquals(func.apply("hello"), "HELLO");
     }
 }

Mercurial > jdk8-mips64-public > nashorn / annotate

test/src/jdk/nashorn/api/scripting/InvocableTest.java@c6ed9226b007 (annotated)

test/src/jdk/nashorn/api/scripting/InvocableTest.java