• file
• revisions
• annotate
• diff
• comparison
• raw

test/tools/javac/lambda/funcInterfaces/LambdaTest2_SAM3.java@349160289ba2 (annotated)

test/tools/javac/lambda/funcInterfaces/LambdaTest2_SAM3.java

Thu, 06 Jun 2013 15:33:40 +0100

author

mcimadamore

date

Thu, 06 Jun 2013 15:33:40 +0100

changeset 1811

349160289ba2

parent 0

959103a6100f

permissions

-rw-r--r--

8008627: Compiler mishandles three-way return-type-substitutability
Summary: Compiler should not enforce an order in how ambiguous methods should be resolved
Reviewed-by: jjg, vromero

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2011, 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 8003280
aoqi@0	27	* @summary Add lambda tests
aoqi@0	28	* This test is for identifying SAM types #5 and instantiating non-SAM types #7 through inner class,
aoqi@0	29	see Helper.java for SAM types
aoqi@0	30	* @compile LambdaTest2_SAM3.java Helper.java
aoqi@0	31	* @run main LambdaTest2_SAM3
aoqi@0	32	*/
aoqi@0	33
aoqi@0	34	import java.util.Collection;
aoqi@0	35	import java.util.List;
aoqi@0	36	import java.util.ArrayList;
aoqi@0	37
aoqi@0	38	public class LambdaTest2_SAM3 {
aoqi@0	39	private static List<String> strs = new ArrayList<String>();
aoqi@0	40	private static List<Integer> integers = new ArrayList<Integer>();
aoqi@0	41
aoqi@0	42	public static void main(String[] args) {
aoqi@0	43	LambdaTest2_SAM3 test = new LambdaTest2_SAM3();
aoqi@0	44
aoqi@0	45	//type #7, Not SAM-convertible, through inner class only:
aoqi@0	46	test.methodFooBar(new FooBar() {
aoqi@0	47	public int getAge(Number n) {
aoqi@0	48	System.out.println("getAge(Number n) called");
aoqi@0	49	return 100;
aoqi@0	50	}
aoqi@0	51	public int getAge(Integer i) {
aoqi@0	52	System.out.println("getAge(Integer i) called");
aoqi@0	53	return 200;
aoqi@0	54	}
aoqi@0	55	}
aoqi@0	56	);
aoqi@0	57
aoqi@0	58	//type #7:
aoqi@0	59	test.methodDE(new DE(){
aoqi@0	60	public int getOldest(List<Integer > list) {
aoqi@0	61	System.out.println("getOldest(List<Integer> list) called");
aoqi@0	62	return 100;
aoqi@0	63	}
aoqi@0	64	public int getOldest(Collection<?> collection) {
aoqi@0	65	System.out.println("getOldest(Collection<?> collection) called");
aoqi@0	66	return 200;
aoqi@0	67	}
aoqi@0	68	}
aoqi@0	69	);
aoqi@0	70
aoqi@0	71	}
aoqi@0	72
aoqi@0	73	//type #7: Not SAM type
aoqi@0	74	void methodFooBar(FooBar fb) {
aoqi@0	75	System.out.println("methodFooBar(): interface FooBar object instantiated: " + fb);
aoqi@0	76	System.out.println("result=" + fb.getAge(new Byte("10")));
aoqi@0	77	System.out.println("result=" + fb.getAge(new Integer(10)));
aoqi@0	78	}
aoqi@0	79
aoqi@0	80	//type #7: Not SAM type
aoqi@0	81	void methodDE (DE de) {
aoqi@0	82	System.out.println("methodDE(): interface DE object instantiated: " + de);
aoqi@0	83	System.out.println(de.getOldest(integers));
aoqi@0	84	System.out.println(de.getOldest(strs));
aoqi@0	85	}
aoqi@0	86	}