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test/script/basic/javaclassoverrides.js@6d5471a497fb (annotated)

test/script/basic/javaclassoverrides.js

Thu, 31 Aug 2017 15:30:47 +0800

author

aoqi

date

Thu, 31 Aug 2017 15:30:47 +0800

changeset 952

6d5471a497fb

parent 719

11b83c913cca

parent 0

b1a7da25b547

child 1205

4112748288bb

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/**
aoqi@0	25	* Check behavior of class-level overrides.
aoqi@0	26	*
aoqi@0	27	* @test
aoqi@0	28	* @run
aoqi@0	29	*/
aoqi@0	30
aoqi@0	31
aoqi@0	32	// Make two classes with class overrides
aoqi@0	33
aoqi@0	34	var R1 = Java.extend(java.lang.Runnable, {
aoqi@0	35	run: function() {
aoqi@0	36	print("R1.run() invoked")
aoqi@0	37	}
aoqi@0	38	})
aoqi@0	39
aoqi@0	40	var R2 = Java.extend(java.lang.Runnable, {
aoqi@0	41	run: function() {
aoqi@0	42	print("R2.run() invoked")
aoqi@0	43	}
aoqi@0	44	})
aoqi@0	45
aoqi@0	46	var r1 = new R1
aoqi@0	47	var r2 = new R2
aoqi@0	48	// Create one with an instance-override too
aoqi@0	49	var R3 = Java.extend(R2)
aoqi@0	50	var r3 = new R3({ run: function() { print("r3.run() invoked") }})
aoqi@0	51
aoqi@0	52	// Run 'em - we're passing them through a Thread to make sure they indeed
aoqi@0	53	// are full-blown Runnables
aoqi@0	54	function runInThread(r) {
aoqi@0	55	var t = new java.lang.Thread(r)
aoqi@0	56	t.start()
aoqi@0	57	t.join()
aoqi@0	58	}
aoqi@0	59	runInThread(r1)
aoqi@0	60	runInThread(r2)
aoqi@0	61	runInThread(r3)
aoqi@0	62
aoqi@0	63	// Two class-override classes differ
aoqi@0	64	print("r1.class !== r2.class: " + (r1.class !== r2.class))
aoqi@0	65	// instance-override class also differs
aoqi@0	66	print("r2.class !== r3.class: " + (r2.class !== r3.class))
aoqi@0	67
aoqi@0	68	function checkAbstract(r) {
aoqi@0	69	try {
aoqi@0	70	r.run()
aoqi@0	71	print("Expected to fail!")
aoqi@0	72	} catch(e) {
aoqi@0	73	print("Got exception: " + e)
aoqi@0	74	}
aoqi@0	75	}
aoqi@0	76
aoqi@0	77	// Check we're hitting UnsupportedOperationException if neither class
aoqi@0	78	// overrides nor instance overrides are present
aoqi@0	79	var RAbstract = Java.extend(java.lang.Runnable, {})
aoqi@0	80	checkAbstract(new RAbstract()) // class override (empty)
aoqi@0	81	checkAbstract(new (Java.extend(RAbstract))() {}) // class+instance override (empty)
aoqi@0	82
aoqi@0	83	// Check we delegate to superclass if neither class
aoqi@0	84	// overrides nor instance overrides are present
aoqi@0	85	var ExtendsList = Java.extend(java.util.ArrayList, {})
aoqi@0	86	print("(new ExtendsList).size() = " + (new ExtendsList).size())
aoqi@0	87	print("(new (Java.extend(ExtendsList)){}).size() = " + (new (Java.extend(ExtendsList)){}).size())