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test/tools/javac/generics/rawOverride/7157798/Test1.java@f5dbd6895994 (annotated)

test/tools/javac/generics/rawOverride/7157798/Test1.java

Mon, 21 May 2012 16:10:14 -0700

author

jjh

date

Mon, 21 May 2012 16:10:14 -0700

changeset 1266

f5dbd6895994

parent 0

959103a6100f

permissions

-rw-r--r--

7157798: Add 6 test scenarios for testing inheritance of multiple same-name methods from mulitple interfaces
Reviewed-by: mcimadamore
Contributed-by: sue.wei@oracle.com

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2012, 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 7062745 7157798
aoqi@0	27	* @summary Test inheritance of same-name methods from mulitple interfaces
aoqi@0	28	when the methods have compatible return types
aoqi@0	29	* @compile Test1.java
aoqi@0	30	*/
aoqi@0	31
aoqi@0	32	import java.util.*;
aoqi@0	33
aoqi@0	34	interface A { List<Number> getList(); }
aoqi@0	35	interface B { List getList(); }
aoqi@0	36
aoqi@0	37	interface AB extends A, B {} //return type: List<Number>
aoqi@0	38
aoqi@0	39	interface C<T> { List<T> getList(); }
aoqi@0	40
aoqi@0	41	interface BC<T> extends B, C<T> {} //return type: List<T>
aoqi@0	42
aoqi@0	43	interface D { Number m(); }
aoqi@0	44	interface E { Double m(); }
aoqi@0	45
aoqi@0	46	interface DE extends D, E {} //return type: Double
aoqi@0	47
aoqi@0	48	interface F { ArrayList getList(); }
aoqi@0	49	interface G { Collection getList(); }
aoqi@0	50
aoqi@0	51	interface AG extends A, G{}; //return type: List<Number>
aoqi@0	52
aoqi@0	53	interface CF<T> extends C<T>, F {} //return type: ArrayList
aoqi@0	54
aoqi@0	55	interface CG<T> extends C<T>, G {} //return type: List<T>
aoqi@0	56
aoqi@0	57	interface H<T> { Iterable<T> getList(); }
aoqi@0	58
aoqi@0	59	interface CH<T> extends C<T>, H<T> {} //return type: List<T>
aoqi@0	60
aoqi@0	61	interface CFGH<T> extends C<T>, F, G, H<T> {} //return type: ArrayList
aoqi@0	62
aoqi@0	63
aoqi@0	64	class Test1 {
aoqi@0	65
aoqi@0	66	//raw and typed return types:
aoqi@0	67	void test(AB ab) {
aoqi@0	68	Number n = ab.getList().get(1);
aoqi@0	69	}
aoqi@0	70
aoqi@0	71	void test(BC<String> bc) {
aoqi@0	72	String s = bc.getList().get(1);
aoqi@0	73	}
aoqi@0	74
aoqi@0	75	void testRaw(BC bc) {
aoqi@0	76	List list = bc.getList();
aoqi@0	77	}
aoqi@0	78
aoqi@0	79	void testWildCard(BC<?> bc) {
aoqi@0	80	List<?> list = bc.getList();
aoqi@0	81	}
aoqi@0	82
aoqi@0	83	<T> void testGeneric(BC<T> bc) {
aoqi@0	84	T t = bc.getList().get(1);
aoqi@0	85	}
aoqi@0	86
aoqi@0	87	//covariant return:
aoqi@0	88	void test(DE de) {
aoqi@0	89	Double d = de.m();
aoqi@0	90	}
aoqi@0	91
aoqi@0	92	//mixed:
aoqi@0	93	void test(AG ag) {
aoqi@0	94	Number n = ag.getList().get(0);
aoqi@0	95	}
aoqi@0	96
aoqi@0	97	void test(CF<Integer> cf) {
aoqi@0	98	ArrayList list = cf.getList();
aoqi@0	99	}
aoqi@0	100
aoqi@0	101	void test(CG<String> cg) {
aoqi@0	102	String s = cg.getList().get(0);
aoqi@0	103	}
aoqi@0	104
aoqi@0	105	void test(CH<String> ch) {
aoqi@0	106	String s = ch.getList().get(0);
aoqi@0	107	}
aoqi@0	108
aoqi@0	109	void test(CFGH<Double> cfgh) {
aoqi@0	110	ArrayList list = cfgh.getList();
aoqi@0	111	}
aoqi@0	112
aoqi@0	113	void testWildCard(CFGH<?> cfgh) {
aoqi@0	114	ArrayList list = cfgh.getList();
aoqi@0	115	}
aoqi@0	116	}