jlaskey@3: /*
jlaskey@7:  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
jlaskey@3:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
attila@962:  *
jlaskey@3:  * This code is free software; you can redistribute it and/or modify it
jlaskey@3:  * under the terms of the GNU General Public License version 2 only, as
jlaskey@3:  * published by the Free Software Foundation.
attila@962:  *
jlaskey@3:  * This code is distributed in the hope that it will be useful, but WITHOUT
jlaskey@3:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jlaskey@3:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
jlaskey@3:  * version 2 for more details (a copy is included in the LICENSE file that
jlaskey@3:  * accompanied this code).
attila@962:  *
jlaskey@3:  * You should have received a copy of the GNU General Public License version
jlaskey@3:  * 2 along with this work; if not, write to the Free Software Foundation,
jlaskey@3:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
attila@962:  *
jlaskey@3:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
jlaskey@3:  * or visit www.oracle.com if you need additional information or have any
jlaskey@3:  * questions.
jlaskey@3:  */
jlaskey@3: 
jlaskey@3: /**
jlaskey@3:  * @test
jlaskey@3:  * @run
jlaskey@3:  */
jlaskey@3: 
jlaskey@3: function model(n) {
sundar@136:   return Java.type("jdk.nashorn.test.models." + n)
jlaskey@3: }
jlaskey@3: 
attila@962: // Can't extend a final class
jlaskey@3: try {
jlaskey@3:     Java.extend(model("FinalClass"))
jlaskey@3: } catch(e) {
jlaskey@3:     print(e)
jlaskey@3: }
jlaskey@3: 
jlaskey@3: // Can't extend a class with no public or protected constructor
jlaskey@3: try {
jlaskey@3:     Java.extend(model("NoAccessibleConstructorClass"))
jlaskey@3: } catch(e) {
jlaskey@3:     print(e)
jlaskey@3: }
jlaskey@3: 
jlaskey@3: // Can't extend a non-public class
jlaskey@3: try {
jlaskey@3:     Java.extend(model("NonPublicClass"))
jlaskey@3: } catch(e) {
jlaskey@3:     print(e)
jlaskey@3: }
jlaskey@3: 
attila@719: // Can't extend a class with explicit non-overridable finalizer
attila@719: try {
attila@719:     Java.extend(model("ClassWithFinalFinalizer"))
attila@719: } catch(e) {
attila@719:     print(e)
attila@719: }
attila@719: 
attila@719: // Can't extend a class with inherited non-overridable finalizer
attila@719: try {
attila@719:     Java.extend(model("ClassWithInheritedFinalFinalizer"))
attila@719: } catch(e) {
attila@719:     print(e)
attila@719: }
attila@719: 
attila@719: 
attila@27: // Can't extend two classes
attila@27: try {
attila@27:     Java.extend(java.lang.Thread,java.lang.Number)
attila@27: } catch(e) {
attila@27:     print(e)
attila@27: }
attila@27: 
jlaskey@3: // Make sure we can implement interfaces from the unnamed package
jlaskey@3: var c = new (Java.extend(Java.type("UnnamedPackageTestCallback")))() { call: function(s) { return s + s } }
jlaskey@3: print(c.call("abcd"))
jlaskey@3: 
jlaskey@3: // Basic Runnable from an object
jlaskey@3: new (Java.extend(java.lang.Runnable))({ run: function() { print("run-object") } }).run()
jlaskey@3: 
jlaskey@3: // Basic Runnable from a function
jlaskey@3: new (Java.extend(java.lang.Runnable))(function() { print("run-fn") }).run()
jlaskey@3: 
jlaskey@3: // Basic Runnable from an autoconverted function
jlaskey@3: var t = new java.lang.Thread(function() { print("run-fn-autoconvert") })
jlaskey@3: t.start()
jlaskey@3: t.join()
jlaskey@3: 
jlaskey@3: // SAM conversion should work on overloaded methods of same name
jlaskey@3: var os = new (Java.extend(model("OverloadedSam")))(function(s1, s2) { print("overloaded-sam: " + s1 + ", " + s2) })
jlaskey@3: os.sam("x")
jlaskey@3: os.sam("x", "y")
jlaskey@3: 
jlaskey@3: // Test overriding of hashCode, equals, and toString
jlaskey@3: var oo = Java.extend(model("OverrideObject"))
jlaskey@3: // First, see non-overridden values
jlaskey@3: print("oo-plain-hashCode: " + (new oo({})).hashCode())
jlaskey@3: print("oo-plain-toString: " + (new oo({})).toString())
jlaskey@3: print("oo-plain-equals  : " + (new oo({})).equals({}))
jlaskey@3: // Now, override them
jlaskey@3: print("oo-overridden-hashCode: " + (new oo({ hashCode: function() { return 6 }})).hashCode())
jlaskey@3: print("oo-overridden-toString: " + (new oo({ toString: function() { return "override-object-overriden" }})).toString())
jlaskey@3: print("oo-overridden-equals  : " + (new oo({ equals: function() { return true }})).equals({}))
jlaskey@3: // Finally, test that equals and hashCode can be overridden with functions from a prototype, but toString() can't:
jlaskey@3: function Proto() {
jlaskey@3:     return this;
jlaskey@3: }
jlaskey@3: Proto.prototype = {
jlaskey@3:     toString: function() { return "this-will-never-be-seen" }, // toString only overridden when it's own property, never from prototype
jlaskey@3:     equals: function() { return true },
jlaskey@3:     hashCode: function() { return 7 }
jlaskey@3: }
jlaskey@3: print("oo-proto-overridden-hashCode: " + (new oo(new Proto())).hashCode())
jlaskey@3: print("oo-proto-overridden-toString: " + (new oo(new Proto())).toString())
jlaskey@3: print("oo-proto-overridden-equals  : " + (new oo(new Proto())).equals({}))
jlaskey@3: 
jlaskey@3: // Subclass a class with a protected constructor, and one that takes
jlaskey@3: // additional constructor arguments (a token). Also demonstrates how can
jlaskey@3: // you access the Java adapter instance from the script (just store it in the
jlaskey@3: // scope, in this example, "cwa") to retrieve the token later on.
attila@23: var cwa = new (Java.extend(model("ConstructorWithArgument")))("cwa-token", function() { print(cwa.token) })
jlaskey@3: cwa.doSomething()
attila@23: 
attila@23: // Do the same thing with proprietary syntax and object literal
attila@23: var cwa2 = new (model("ConstructorWithArgument"))("cwa2-token") { doSomething: function() { print("cwa2-" + cwa2.token ) } }
attila@23: cwa2.doSomething()
attila@27: 
attila@27: // Implement two interfaces
attila@27: var desertToppingAndFloorWax = new (Java.extend(model("DessertTopping"), model("FloorWax"))) {
attila@27:     pourOnDessert: function() { print("Glop; IM IN UR DESSERT NOW") },
attila@27:     shineUpTheFloor: function() { print("The floor sure is shining!") }
attila@27: }
attila@27: var dtfwDriver = new (model("DessertToppingFloorWaxDriver"))
attila@27: dtfwDriver.decorateDessert(desertToppingAndFloorWax)
attila@27: dtfwDriver.waxFloor(desertToppingAndFloorWax)
attila@27: 
attila@27: // Extend a class and implement two interfaces. For additional measure, put the class in between the two interfaces
attila@27: var desertToppingFloorWaxAndToothpaste = new (Java.extend(model("DessertTopping"), model("Toothpaste"), model("FloorWax"))) {
attila@27:     pourOnDessert: function() { print("Yum") },
attila@27:     shineUpTheFloor: function() { print("Scrub, scrub, scrub") },
attila@27:     applyToBrushImpl: function() { print("It's a dessert topping! It's a floor wax! It's a toothpaste!") }
attila@27: }
attila@27: dtfwDriver.decorateDessert(desertToppingFloorWaxAndToothpaste)
attila@27: dtfwDriver.waxFloor(desertToppingFloorWaxAndToothpaste)
attila@27: desertToppingFloorWaxAndToothpaste.applyToBrush();