jdk-sandbox: langtools/test/tools/javac/generics/inference/LowerBoundGLB.java@c487ced7231c (annotated)

24293 0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	1	/*
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	2	* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	4	*
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	5	* This code is free software; you can redistribute it and/or modify it
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	6	* under the terms of the GNU General Public License version 2 only, as
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	7	* published by the Free Software Foundation.
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	8	*
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	9	* This code is distributed in the hope that it will be useful, but WITHOUT
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	12	* version 2 for more details (a copy is included in the LICENSE file that
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	13	* accompanied this code).
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	14	*
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	15	* You should have received a copy of the GNU General Public License version
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	16	* 2 along with this work; if not, write to the Free Software Foundation,
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	18	*
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	20	* or visit www.oracle.com if you need additional information or have any
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	21	* questions.
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	22	*/
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	23
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	24	/**
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	25	* @test
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	26	* @bug 8033718
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	27	* @author dlsmith
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	28	* @summary GLB for two capture variables with lower bounds
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	29	* @compile LowerBoundGLB.java
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	30	*/
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	31
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	32	public class LowerBoundGLB {
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	33
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	34	interface Box<T> {
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	35	T get();
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	36	void set(T arg);
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	37	}
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	38
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	39	<T> T doGLB(Box<? super T> b1, Box<? super T> b2) {
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	40	return null;
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	41	}
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	42
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	43	void test(Box<? super String> l1, Box<? super CharSequence> l2) {
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	44	doGLB(l1, l2).substring(3);
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	45	}
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	46
0d889f759fac 8033718: Inference ignores capture variable as upper bound dlsmith parents: diff changeset	47	}

author	hseigel
	Wed, 02 Mar 2016 23:48:41 +0000
changeset 36397	c487ced7231c
parent 24293	0d889f759fac
permissions	-rw-r--r--