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test/tools/javac/resolve/AmbiguityErrorTest.java@7909abb85562 (annotated)

test/tools/javac/resolve/AmbiguityErrorTest.java

Wed, 14 Nov 2018 10:18:25 -0800

author

diazhou

date

Wed, 14 Nov 2018 10:18:25 -0800

changeset 3762

7909abb85562

parent 0

959103a6100f

permissions

-rw-r--r--

Added tag jdk8u201-b04 for changeset a7f48b9dfb82

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2014, 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 8041663
aoqi@0	27	*/
aoqi@0	28
aoqi@0	29	public class AmbiguityErrorTest {
aoqi@0	30
aoqi@0	31	public interface A { }
aoqi@0	32
aoqi@0	33	public interface B extends A { }
aoqi@0	34
aoqi@0	35	public interface C {
aoqi@0	36	A m(B strategy);
aoqi@0	37	}
aoqi@0	38
aoqi@0	39	public interface D {
aoqi@0	40	A m(A strategy);
aoqi@0	41	A m(B strategy);
aoqi@0	42	}
aoqi@0	43
aoqi@0	44	public interface T1 extends C, D { }
aoqi@0	45	public interface T2 extends D, C { }
aoqi@0	46
aoqi@0	47	int count;
aoqi@0	48
aoqi@0	49	class T1Impl implements T1, T2 {
aoqi@0	50	public A m(B strategy) {
aoqi@0	51	count++;
aoqi@0	52	return null;
aoqi@0	53	}
aoqi@0	54	public A m(A strategy) {
aoqi@0	55	throw new AssertionError("Should not get here.");
aoqi@0	56	}
aoqi@0	57	}
aoqi@0	58
aoqi@0	59	public static void main(String... args) {
aoqi@0	60	new AmbiguityErrorTest().test();
aoqi@0	61	}
aoqi@0	62
aoqi@0	63	void test() {
aoqi@0	64	T1 t1 = new T1Impl();
aoqi@0	65	T2 t2 = new T1Impl();
aoqi@0	66	final B b = new B() { };
aoqi@0	67	t1.m(b);
aoqi@0	68	t2.m(b);
aoqi@0	69
aoqi@0	70	if (count != 2) {
aoqi@0	71	throw new IllegalStateException("Did not call the methods properly");
aoqi@0	72	}
aoqi@0	73	}
aoqi@0	74
aoqi@0	75	}