148 lines
5.5 KiB
JavaScript
148 lines
5.5 KiB
JavaScript
/*
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* Copyright (c) 2010, 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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* @run
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*/
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function model(n) {
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return Java.type("jdk.nashorn.test.models." + n)
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}
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// Can't extend a final class
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try {
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Java.extend(model("FinalClass"))
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} catch(e) {
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print(e)
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}
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// Can't extend a class with no public or protected constructor
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try {
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Java.extend(model("NoAccessibleConstructorClass"))
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} catch(e) {
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print(e)
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}
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// Can't extend a non-public class
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try {
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Java.extend(model("NonPublicClass"))
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} catch(e) {
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print(e)
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}
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// Can't extend a class with explicit non-overridable finalizer
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try {
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Java.extend(model("ClassWithFinalFinalizer"))
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} catch(e) {
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print(e)
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}
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// Can't extend a class with inherited non-overridable finalizer
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try {
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Java.extend(model("ClassWithInheritedFinalFinalizer"))
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} catch(e) {
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print(e)
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}
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// Can't extend two classes
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try {
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Java.extend(java.lang.Thread,java.lang.Number)
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} catch(e) {
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print(e)
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}
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// Make sure we can implement interfaces from the unnamed package
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var c = new (Java.extend(Java.type("UnnamedPackageTestCallback")))() { call: function(s) { return s + s } }
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print(c.call("abcd"))
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// Basic Runnable from an object
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new (Java.extend(java.lang.Runnable))({ run: function() { print("run-object") } }).run()
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// Basic Runnable from a function
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new (Java.extend(java.lang.Runnable))(function() { print("run-fn") }).run()
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// Basic Runnable from an autoconverted function
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var t = new java.lang.Thread(function() { print("run-fn-autoconvert") })
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t.start()
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t.join()
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// SAM conversion should work on overloaded methods of same name
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var os = new (Java.extend(model("OverloadedSam")))(function(s1, s2) { print("overloaded-sam: " + s1 + ", " + s2) })
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os.sam("x")
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os.sam("x", "y")
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// Test overriding of hashCode, equals, and toString
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var oo = Java.extend(model("OverrideObject"))
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// First, see non-overridden values
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print("oo-plain-hashCode: " + (new oo({})).hashCode())
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print("oo-plain-toString: " + (new oo({})).toString())
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print("oo-plain-equals : " + (new oo({})).equals({}))
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// Now, override them
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print("oo-overridden-hashCode: " + (new oo({ hashCode: function() { return 6 }})).hashCode())
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print("oo-overridden-toString: " + (new oo({ toString: function() { return "override-object-overriden" }})).toString())
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print("oo-overridden-equals : " + (new oo({ equals: function() { return true }})).equals({}))
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// Finally, test that equals and hashCode can be overridden with functions from a prototype, but toString() can't:
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function Proto() {
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return this;
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}
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Proto.prototype = {
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toString: function() { return "this-will-never-be-seen" }, // toString only overridden when it's own property, never from prototype
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equals: function() { return true },
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hashCode: function() { return 7 }
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}
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print("oo-proto-overridden-hashCode: " + (new oo(new Proto())).hashCode())
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print("oo-proto-overridden-toString: " + (new oo(new Proto())).toString())
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print("oo-proto-overridden-equals : " + (new oo(new Proto())).equals({}))
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// Subclass a class with a protected constructor, and one that takes
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// additional constructor arguments (a token). Also demonstrates how can
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// you access the Java adapter instance from the script (just store it in the
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// scope, in this example, "cwa") to retrieve the token later on.
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var cwa = new (Java.extend(model("ConstructorWithArgument")))("cwa-token", function() { print(cwa.token) })
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cwa.doSomething()
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// Do the same thing with proprietary syntax and object literal
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var cwa2 = new (model("ConstructorWithArgument"))("cwa2-token") { doSomething: function() { print("cwa2-" + cwa2.token ) } }
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cwa2.doSomething()
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// Implement two interfaces
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var desertToppingAndFloorWax = new (Java.extend(model("DessertTopping"), model("FloorWax"))) {
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pourOnDessert: function() { print("Glop; IM IN UR DESSERT NOW") },
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shineUpTheFloor: function() { print("The floor sure is shining!") }
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}
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var dtfwDriver = new (model("DessertToppingFloorWaxDriver"))
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dtfwDriver.decorateDessert(desertToppingAndFloorWax)
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dtfwDriver.waxFloor(desertToppingAndFloorWax)
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// Extend a class and implement two interfaces. For additional measure, put the class in between the two interfaces
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var desertToppingFloorWaxAndToothpaste = new (Java.extend(model("DessertTopping"), model("Toothpaste"), model("FloorWax"))) {
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pourOnDessert: function() { print("Yum") },
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shineUpTheFloor: function() { print("Scrub, scrub, scrub") },
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applyToBrushImpl: function() { print("It's a dessert topping! It's a floor wax! It's a toothpaste!") }
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}
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dtfwDriver.decorateDessert(desertToppingFloorWaxAndToothpaste)
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dtfwDriver.waxFloor(desertToppingFloorWaxAndToothpaste)
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desertToppingFloorWaxAndToothpaste.applyToBrush();
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