Mercurial > jdk8-mips64-public > nashorn / file revision

 /*

  * 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.

  * 

  * 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.

  */

 /**

  * @test

  * @run

  */

 function model(n) {

   return Java.type("jdk.nashorn.test.models." + n)

 }

 // Can't extend a final class  

 try {

     Java.extend(model("FinalClass"))

 } catch(e) {

     print(e)

 }

 // Can't extend a class with no public or protected constructor

 try {

     Java.extend(model("NoAccessibleConstructorClass"))

 } catch(e) {

     print(e)

 }

 // Can't extend a non-public class

 try {

     Java.extend(model("NonPublicClass"))

 } catch(e) {

     print(e)

 }

 // Can't extend two classes

 try {

     Java.extend(java.lang.Thread,java.lang.Number)

 } catch(e) {

     print(e)

 }

 // Make sure we can implement interfaces from the unnamed package

 var c = new (Java.extend(Java.type("UnnamedPackageTestCallback")))() { call: function(s) { return s + s } }

 print(c.call("abcd"))

 // Basic Runnable from an object

 new (Java.extend(java.lang.Runnable))({ run: function() { print("run-object") } }).run()

 // Basic Runnable from a function

 new (Java.extend(java.lang.Runnable))(function() { print("run-fn") }).run()

 // Basic Runnable from an autoconverted function

 var t = new java.lang.Thread(function() { print("run-fn-autoconvert") })

 t.start()

 t.join()

 // SAM conversion should work on overloaded methods of same name

 var os = new (Java.extend(model("OverloadedSam")))(function(s1, s2) { print("overloaded-sam: " + s1 + ", " + s2) })

 os.sam("x")

 os.sam("x", "y")

 // Test overriding of hashCode, equals, and toString

 var oo = Java.extend(model("OverrideObject"))

 // First, see non-overridden values

 print("oo-plain-hashCode: " + (new oo({})).hashCode())

 print("oo-plain-toString: " + (new oo({})).toString())

 print("oo-plain-equals  : " + (new oo({})).equals({}))

 // Now, override them

 print("oo-overridden-hashCode: " + (new oo({ hashCode: function() { return 6 }})).hashCode())

 print("oo-overridden-toString: " + (new oo({ toString: function() { return "override-object-overriden" }})).toString())

 print("oo-overridden-equals  : " + (new oo({ equals: function() { return true }})).equals({}))

 // Finally, test that equals and hashCode can be overridden with functions from a prototype, but toString() can't:

 function Proto() {

     return this;

 }

 Proto.prototype = {

     toString: function() { return "this-will-never-be-seen" }, // toString only overridden when it's own property, never from prototype

     equals: function() { return true },

     hashCode: function() { return 7 }

 }

 print("oo-proto-overridden-hashCode: " + (new oo(new Proto())).hashCode())

 print("oo-proto-overridden-toString: " + (new oo(new Proto())).toString())

 print("oo-proto-overridden-equals  : " + (new oo(new Proto())).equals({}))

 // Subclass a class with a protected constructor, and one that takes

 // additional constructor arguments (a token). Also demonstrates how can

 // you access the Java adapter instance from the script (just store it in the

 // scope, in this example, "cwa") to retrieve the token later on.

 var cwa = new (Java.extend(model("ConstructorWithArgument")))("cwa-token", function() { print(cwa.token) })

 cwa.doSomething()

 // Do the same thing with proprietary syntax and object literal

 var cwa2 = new (model("ConstructorWithArgument"))("cwa2-token") { doSomething: function() { print("cwa2-" + cwa2.token ) } }

 cwa2.doSomething()

 // Implement two interfaces

 var desertToppingAndFloorWax = new (Java.extend(model("DessertTopping"), model("FloorWax"))) {

     pourOnDessert: function() { print("Glop; IM IN UR DESSERT NOW") },

     shineUpTheFloor: function() { print("The floor sure is shining!") }

 }

 var dtfwDriver = new (model("DessertToppingFloorWaxDriver"))

 dtfwDriver.decorateDessert(desertToppingAndFloorWax)

 dtfwDriver.waxFloor(desertToppingAndFloorWax)

 // Extend a class and implement two interfaces. For additional measure, put the class in between the two interfaces

 var desertToppingFloorWaxAndToothpaste = new (Java.extend(model("DessertTopping"), model("Toothpaste"), model("FloorWax"))) {

     pourOnDessert: function() { print("Yum") },

     shineUpTheFloor: function() { print("Scrub, scrub, scrub") },

     applyToBrushImpl: function() { print("It's a dessert topping! It's a floor wax! It's a toothpaste!") }

 }

 dtfwDriver.decorateDessert(desertToppingFloorWaxAndToothpaste)

 dtfwDriver.waxFloor(desertToppingFloorWaxAndToothpaste)

 desertToppingFloorWaxAndToothpaste.applyToBrush();