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

test/tools/javac/lambda/MethodReferenceArrayClone.java

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

author

jlahoda

date

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

changeset 2734

ba758e1ffa69

parent 2590

ffed5df6bec9

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@2590	1	/*
rfield@2590	2	* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
rfield@2590	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
rfield@2590	4	*
rfield@2590	5	* This code is free software; you can redistribute it and/or modify it
rfield@2590	6	* under the terms of the GNU General Public License version 2 only, as
rfield@2590	7	* published by the Free Software Foundation.
rfield@2590	8	*
rfield@2590	9	* This code is distributed in the hope that it will be useful, but WITHOUT
rfield@2590	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
rfield@2590	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
rfield@2590	12	* version 2 for more details (a copy is included in the LICENSE file that
rfield@2590	13	* accompanied this code).
rfield@2590	14	*
rfield@2590	15	* You should have received a copy of the GNU General Public License version
rfield@2590	16	* 2 along with this work; if not, write to the Free Software Foundation,
rfield@2590	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
rfield@2590	18	*
rfield@2590	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
rfield@2590	20	* or visit www.oracle.com if you need additional information or have any
rfield@2590	21	* questions.
rfield@2590	22	*/
rfield@2590	23
rfield@2590	24	/*
rfield@2590	25	* @test
rfield@2590	26	* @bug 8056051
rfield@2590	27	* @summary int[]::clone causes "java.lang.NoClassDefFoundError: Array"
rfield@2590	28	* @run main MethodReferenceArrayClone
rfield@2590	29	*/
rfield@2590	30
rfield@2590	31	import java.util.Arrays;
rfield@2590	32	import java.util.function.Function;
rfield@2590	33	import java.util.function.Supplier;
rfield@2590	34
rfield@2590	35	public class MethodReferenceArrayClone {
rfield@2590	36	public static void main(String[] args) {
rfield@2590	37	int[] intArgs = new int[] {1, 2, 3, 4, 5};
rfield@2590	38	checkInt("int[]::clone", int[]::clone, intArgs);
rfield@2590	39	checkInt("a -> a.clone()", a -> a.clone(), intArgs);
rfield@2590	40	checkInt("intArgs::clone", intArgs::clone, intArgs);
rfield@2590	41
rfield@2590	42	String[] stringArgs = new String[] {"hi", "de", "ho"};
rfield@2590	43	checkString("String[]::clone", String[]::clone, stringArgs);
rfield@2590	44	checkString("a -> a.clone()", a -> a.clone(), stringArgs);
rfield@2590	45	checkString("args::clone", stringArgs::clone, stringArgs);
rfield@2590	46	}
rfield@2590	47
rfield@2590	48	private static void checkInt(String label, Supplier<int[]> s, int[] expected) {
rfield@2590	49	if (!Arrays.equals(s.get(), expected)) {
rfield@2590	50	throw new RuntimeException("Unexpected value " + label + ": " + Arrays.toString(s.get()));
rfield@2590	51	}
rfield@2590	52	}
rfield@2590	53
rfield@2590	54	private static void checkInt(String label, Function<int[], int[]> f, int[] a) {
rfield@2590	55	checkInt(label, () -> f.apply(a), a);
rfield@2590	56	}
rfield@2590	57
rfield@2590	58	private static void checkString(String label, Supplier<String[]> s, String[] expected) {
rfield@2590	59	if (!Arrays.equals(s.get(), expected)) {
rfield@2590	60	throw new RuntimeException("Unexpected value " + label + ": " + Arrays.toString(s.get()));
rfield@2590	61	}
rfield@2590	62	}
rfield@2590	63
rfield@2590	64	private static void checkString(String label, Function<String[], String[]> f, String[] a) {
rfield@2590	65	checkString(label, () -> f.apply(a), a);
rfield@2590	66	}
rfield@2590	67	}