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test/tools/javac/lambda/methodReference/MethodRefNewInnerBootstrap.java@ba758e1ffa69 (annotated)

test/tools/javac/lambda/methodReference/MethodRefNewInnerBootstrap.java

Thu, 26 Mar 2015 11:34:50 +0100

author

jlahoda

date

Thu, 26 Mar 2015 11:34:50 +0100

changeset 2734

ba758e1ffa69

parent 2607

10e9228e77b0

permissions

-rw-r--r--

8054220: Debugger doesn't show variables *outside* lambda
8058227: Debugger has no access to outer variables inside Lambda
Summary: Put local variables captured by lambda into the lambda method's LocalVariableTable.
Reviewed-by: mcimadamore, rfield

rfield@2607	1	/*
rfield@2607	2	* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
rfield@2607	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
rfield@2607	4	*
rfield@2607	5	* This code is free software; you can redistribute it and/or modify it
rfield@2607	6	* under the terms of the GNU General Public License version 2 only, as
rfield@2607	7	* published by the Free Software Foundation.
rfield@2607	8	*
rfield@2607	9	* This code is distributed in the hope that it will be useful, but WITHOUT
rfield@2607	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
rfield@2607	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
rfield@2607	12	* version 2 for more details (a copy is included in the LICENSE file that
rfield@2607	13	* accompanied this code).
rfield@2607	14	*
rfield@2607	15	* You should have received a copy of the GNU General Public License version
rfield@2607	16	* 2 along with this work; if not, write to the Free Software Foundation,
rfield@2607	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
rfield@2607	18	*
rfield@2607	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
rfield@2607	20	* or visit www.oracle.com if you need additional information or have any
rfield@2607	21	* questions.
rfield@2607	22	*/
rfield@2607	23
rfield@2607	24	/**
rfield@2607	25	* @test
rfield@2607	26	* @bug 8044748
rfield@2607	27	* @summary JVM cannot access constructor though ::new reference although can call it directly
rfield@2607	28	*/
rfield@2607	29
rfield@2607	30	public class MethodRefNewInnerBootstrap {
rfield@2607	31
rfield@2607	32	interface Constructor {
rfield@2607	33	public MyTest execute(int i);
rfield@2607	34	}
rfield@2607	35
rfield@2607	36	public class MyTest {
rfield@2607	37	public MyTest(int i) { System.out.println("Constructor executed " + i); }
rfield@2607	38	}
rfield@2607	39
rfield@2607	40	public Constructor getConstructor() {
rfield@2607	41	return MyTest::new;
rfield@2607	42	}
rfield@2607	43
rfield@2607	44	public static void main(String argv[]) {
rfield@2607	45	new MethodRefNewInnerBootstrap().call();
rfield@2607	46	}
rfield@2607	47
rfield@2607	48	public void call() {
rfield@2607	49	MyTest mt = new MyTest(0);
rfield@2607	50
rfield@2607	51	Constructor c1 = MyTest::new;
rfield@2607	52	c1.execute(1);
rfield@2607	53
rfield@2607	54	Constructor c2 = getConstructor();
rfield@2607	55	c2.execute(2);
rfield@2607	56
rfield@2607	57	Constructor c3 = new Constructor() {
rfield@2607	58	public MyTest execute(int i) {
rfield@2607	59	return new MyTest(3);
rfield@2607	60	}
rfield@2607	61	};
rfield@2607	62	c3.execute(3);
rfield@2607	63
rfield@2607	64	Constructor c4 = new Constructor() {
rfield@2607	65	public MyTest execute(int i) {
rfield@2607	66	Constructor c = MyTest::new;
rfield@2607	67	return c.execute(i);
rfield@2607	68	}
rfield@2607	69	};
rfield@2607	70	c4.execute(4);
rfield@2607	71	}
rfield@2607	72	}