jdk8-mips64-public/nashorn: test/script/sandbox/javaextend.js@1df40fe54cd6 (annotated)

test/script/sandbox/javaextend.js@1df40fe54cd6 (annotated)

test/script/sandbox/javaextend.js

Tue, 21 Mar 2017 13:41:57 -0700

author: asaha
date: Tue, 21 Mar 2017 13:41:57 -0700
changeset 2160: 1df40fe54cd6
parent 962: ac62e33a99b0
child 1205: 4112748288bb
permissions: -rw-r--r--

Merge

 /*
  * 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 a class with explicit non-overridable finalizer
 try {
     Java.extend(model("ClassWithFinalFinalizer"))
 } catch(e) {
     print(e)
 }
 // Can't extend a class with inherited non-overridable finalizer
 try {
     Java.extend(model("ClassWithInheritedFinalFinalizer"))
 } 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();