Fri, 30 Nov 2012 15:14:25 +0000
8004102: Add support for generic functional descriptors
Summary: Method references are allowed to have a generic functional interface descriptor target
Reviewed-by: jjg
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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
26 /**
27 * @test
28 * @bug 8003639
29 * @summary convert lambda testng tests to jtreg and add them
30 * @run testng MethodReferenceTestNewInner
31 */
33 import org.testng.annotations.Test;
35 import static org.testng.Assert.assertEquals;
37 /**
38 * @author Robert Field
39 */
41 @Test
42 public class MethodReferenceTestNewInner {
44 String note = "NO NOTE";
46 interface M0<T> {
48 T m();
49 }
51 interface MP<T> {
53 T m(MethodReferenceTestNewInner m);
54 }
56 class N0 {
58 N0() {
59 }
60 }
62 interface M1<T> {
64 T m(Integer a);
65 }
67 class N1 {
69 int i;
71 N1(int i) {
72 this.i = i;
73 }
74 }
76 interface M2<T> {
78 T m(Integer n, String o);
79 }
81 class N2 {
83 Number n;
84 Object o;
86 N2(Number n, Object o) {
87 this.n = n;
88 this.o = o;
89 }
91 public String toString() {
92 return note + ":N2(" + n + "," + o + ")";
93 }
94 }
96 interface MV {
98 NV m(Integer ai, int i);
99 }
101 class NV {
103 int i;
105 NV(int... v) {
106 i = 0;
107 for (int x : v) {
108 i += x;
109 }
110 }
112 public String toString() {
113 return note + ":NV(" + i + ")";
114 }
115 }
117 /* unbound constructor case not supported anymore (dropped by EG)
118 public static void testConstructorReferenceP() {
119 MP<N0> q;
121 q = N0::new;
122 assertEquals(q.m(new MethodReferenceTestNewInner()).getClass().getSimpleName(), "N0");
123 }
124 */
125 public void testConstructorReference0() {
126 M0<N0> q;
128 q = N0::new;
129 assertEquals(q.m().getClass().getSimpleName(), "N0");
130 }
132 public void testConstructorReference1() {
133 M1<N1> q;
135 q = N1::new;
136 assertEquals(q.m(14).getClass().getSimpleName(), "N1");
137 }
139 public void testConstructorReference2() {
140 M2<N2> q;
142 note = "T2";
143 q = N2::new;
144 assertEquals(q.m(7, "hi").toString(), "T2:N2(7,hi)");
145 }
147 /***
148 public void testConstructorReferenceVarArgs() {
149 MV q;
151 note = "TVA";
152 q = NV::new;
153 assertEquals(q.m(5, 45).toString(), "TNV:NV(50)");
154 }
155 ***/
157 }