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test/tools/javac/lambda/8012557/PrivateLambdas.java@b33835c5d96a (annotated)

test/tools/javac/lambda/8012557/PrivateLambdas.java

Mon, 07 Apr 2014 11:38:59 +0200

author

kizune

date

Mon, 07 Apr 2014 11:38:59 +0200

changeset 2354

b33835c5d96a

parent 0

959103a6100f

permissions

-rw-r--r--

8031425: Two langtools/javac tests fail by timeout on Windows
Reviewed-by: vromero, jjg

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 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	* @test
aoqi@0	26	* @bug 8012557
aoqi@0	27	* @summary Check that 8012557 is fixed, that interface lambda
aoqi@0	28	* methods are private
aoqi@0	29	* @author Robert Field
aoqi@0	30	* @compile SAM.java
aoqi@0	31	* @compile A.java
aoqi@0	32	* @compile B.java
aoqi@0	33	* @compile C.java
aoqi@0	34	* @run main PrivateLambdas
aoqi@0	35	*
aoqi@0	36	* Unless the lambda methods are private, this will fail with:
aoqi@0	37	* AbstractMethodError:
aoqi@0	38	* Conflicting default methods: A.lambda$0 B.lambda$0 C.lambda$0
aoqi@0	39	*/
aoqi@0	40
aoqi@0	41	import java.lang.reflect.Method;
aoqi@0	42	import java.lang.reflect.Modifier;
aoqi@0	43
aoqi@0	44	interface X extends A, B, C {
aoqi@0	45	default String u() { return " "; }
aoqi@0	46	default String name() {
aoqi@0	47	return A.super.name() + B.super.name() + C.super.name();
aoqi@0	48	}
aoqi@0	49	}
aoqi@0	50
aoqi@0	51	public class PrivateLambdas implements X {
aoqi@0	52	public static void main(String[] args) throws Exception {
aoqi@0	53
aoqi@0	54	// Check that all the lambda methods are private instance synthetic
aoqi@0	55	for (Class<?> k : new Class<?>[] { A.class, B.class, C.class }) {
aoqi@0	56	Method[] methods = k.getDeclaredMethods();
aoqi@0	57	int lambdaCount = 0;
aoqi@0	58	for(Method m : methods) {
aoqi@0	59	if (m.getName().startsWith("lambda$")) {
aoqi@0	60	++lambdaCount;
aoqi@0	61	int mod = m.getModifiers();
aoqi@0	62	if ((mod & Modifier.PRIVATE) == 0) {
aoqi@0	63	throw new Exception("Expected " + m + " to be private");
aoqi@0	64	}
aoqi@0	65	if (!m.isSynthetic()) {
aoqi@0	66	throw new Exception("Expected " + m + " to be synthetic");
aoqi@0	67	}
aoqi@0	68	if ((mod & Modifier.STATIC) != 0) {
aoqi@0	69	throw new Exception("Expected " + m + " to be instance method");
aoqi@0	70	}
aoqi@0	71	}
aoqi@0	72	}
aoqi@0	73	if (lambdaCount == 0) {
aoqi@0	74	throw new Exception("Expected at least one lambda method");
aoqi@0	75	}
aoqi@0	76	}
aoqi@0	77
aoqi@0	78	/*
aoqi@0	79	* Unless the lambda methods are private, this will fail with:
aoqi@0	80	* AbstractMethodError:
aoqi@0	81	* Conflicting default methods: A.lambda$0 B.lambda$0 C.lambda$0
aoqi@0	82	*/
aoqi@0	83	X x = new PrivateLambdas();
aoqi@0	84	if (!x.name().equals(" A B C")) {
aoqi@0	85	throw new Exception("Expected ' A B C' got: " + x.name());
aoqi@0	86	}
aoqi@0	87	}
aoqi@0	88	}