Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/generics/rawOverride/7157798/Test1.java
test/tools/javac/generics/rawOverride/7157798/Test1.java
- changeset 1266
- f5dbd6895994
- parent 0
- 959103a6100f
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| 1261:885806e74240 | 1266:f5dbd6895994 |
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| 1 /* | |
| 2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
| 23 | |
| 24 /** | |
| 25 * @test | |
| 26 * @bug 7062745 7157798 | |
| 27 * @summary Test inheritance of same-name methods from mulitple interfaces | |
| 28 when the methods have compatible return types | |
| 29 * @compile Test1.java | |
| 30 */ | |
| 31 | |
| 32 import java.util.*; | |
| 33 | |
| 34 interface A { List<Number> getList(); } | |
| 35 interface B { List getList(); } | |
| 36 | |
| 37 interface AB extends A, B {} //return type: List<Number> | |
| 38 | |
| 39 interface C<T> { List<T> getList(); } | |
| 40 | |
| 41 interface BC<T> extends B, C<T> {} //return type: List<T> | |
| 42 | |
| 43 interface D { Number m(); } | |
| 44 interface E { Double m(); } | |
| 45 | |
| 46 interface DE extends D, E {} //return type: Double | |
| 47 | |
| 48 interface F { ArrayList getList(); } | |
| 49 interface G { Collection getList(); } | |
| 50 | |
| 51 interface AG extends A, G{}; //return type: List<Number> | |
| 52 | |
| 53 interface CF<T> extends C<T>, F {} //return type: ArrayList | |
| 54 | |
| 55 interface CG<T> extends C<T>, G {} //return type: List<T> | |
| 56 | |
| 57 interface H<T> { Iterable<T> getList(); } | |
| 58 | |
| 59 interface CH<T> extends C<T>, H<T> {} //return type: List<T> | |
| 60 | |
| 61 interface CFGH<T> extends C<T>, F, G, H<T> {} //return type: ArrayList | |
| 62 | |
| 63 | |
| 64 class Test1 { | |
| 65 | |
| 66 //raw and typed return types: | |
| 67 void test(AB ab) { | |
| 68 Number n = ab.getList().get(1); | |
| 69 } | |
| 70 | |
| 71 void test(BC<String> bc) { | |
| 72 String s = bc.getList().get(1); | |
| 73 } | |
| 74 | |
| 75 void testRaw(BC bc) { | |
| 76 List list = bc.getList(); | |
| 77 } | |
| 78 | |
| 79 void testWildCard(BC<?> bc) { | |
| 80 List<?> list = bc.getList(); | |
| 81 } | |
| 82 | |
| 83 <T> void testGeneric(BC<T> bc) { | |
| 84 T t = bc.getList().get(1); | |
| 85 } | |
| 86 | |
| 87 //covariant return: | |
| 88 void test(DE de) { | |
| 89 Double d = de.m(); | |
| 90 } | |
| 91 | |
| 92 //mixed: | |
| 93 void test(AG ag) { | |
| 94 Number n = ag.getList().get(0); | |
| 95 } | |
| 96 | |
| 97 void test(CF<Integer> cf) { | |
| 98 ArrayList list = cf.getList(); | |
| 99 } | |
| 100 | |
| 101 void test(CG<String> cg) { | |
| 102 String s = cg.getList().get(0); | |
| 103 } | |
| 104 | |
| 105 void test(CH<String> ch) { | |
| 106 String s = ch.getList().get(0); | |
| 107 } | |
| 108 | |
| 109 void test(CFGH<Double> cfgh) { | |
| 110 ArrayList list = cfgh.getList(); | |
| 111 } | |
| 112 | |
| 113 void testWildCard(CFGH<?> cfgh) { | |
| 114 ArrayList list = cfgh.getList(); | |
| 115 } | |
| 116 } |
