| /* |
| * 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(); |