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 MethodReferenceTestVarArgsThis
31 */
33 import org.testng.annotations.Test;
34 import java.lang.reflect.Array;
36 import static org.testng.Assert.assertEquals;
38 /**
39 * @author Robert Field
40 */
42 interface NsII { String m(Integer a, Integer b); }
44 interface Nsiii { String m(int a, int b, int c); }
46 interface Nsi { String m(int a); }
48 interface NsaO { String m(Object[] a); }
50 interface Nsai { String m(int[] a); }
52 interface Nsvi { String m(int... va); }
54 @Test
55 public class MethodReferenceTestVarArgsThis {
57 // These should be processed as var args
59 String xvI(Integer... vi) {
60 StringBuilder sb = new StringBuilder("xvI:");
61 for (Integer i : vi) {
62 sb.append(i);
63 sb.append("-");
64 }
65 return sb.toString();
66 }
68 String xIvI(Integer f, Integer... vi) {
69 StringBuilder sb = new StringBuilder("xIvI:");
70 sb.append(f);
71 for (Integer i : vi) {
72 sb.append(i);
73 sb.append("-");
74 }
75 return sb.toString();
76 }
78 String xvi(int... vi) {
79 int sum = 0;
80 for (int i : vi) {
81 sum += i;
82 }
83 return "xvi:" + sum;
84 }
86 String xIvi(Integer f, int... vi) {
87 int sum = 0;
88 for (int i : vi) {
89 sum += i;
90 }
91 return "xIvi:(" + f + ")" + sum;
92 }
94 String xvO(Object... vi) {
95 StringBuilder sb = new StringBuilder("xvO:");
96 for (Object i : vi) {
97 if (i.getClass().isArray()) {
98 sb.append("[");
99 int len = Array.getLength(i);
100 for (int x = 0; x < len; ++x) {
101 sb.append(Array.get(i, x));
102 sb.append(",");
103 }
104 sb.append("]");
106 } else {
107 sb.append(i);
108 }
109 sb.append("*");
110 }
111 return sb.toString();
112 }
114 public void testVarArgsNsSuperclass() {
115 NsII q;
117 q = this::xvO;
118 assertEquals(q.m(55,66), "xvO:55*66*");
119 }
121 public void testVarArgsNsArray() {
122 Nsai q;
124 q = this::xvO;
125 assertEquals(q.m(new int[] { 55,66 } ), "xvO:[55,66,]*");
126 }
128 public void testVarArgsNsII() {
129 NsII q;
131 q = this::xvI;
132 assertEquals(q.m(33,7), "xvI:33-7-");
134 q = this::xIvI;
135 assertEquals(q.m(50,40), "xIvI:5040-");
137 q = this::xvi;
138 assertEquals(q.m(100,23), "xvi:123");
140 q = this::xIvi;
141 assertEquals(q.m(9,21), "xIvi:(9)21");
142 }
144 public void testVarArgsNsiii() {
145 Nsiii q;
147 q = this::xvI;
148 assertEquals(q.m(3, 2, 1), "xvI:3-2-1-");
150 q = this::xIvI;
151 assertEquals(q.m(888, 99, 2), "xIvI:88899-2-");
153 q = this::xvi;
154 assertEquals(q.m(900,80,7), "xvi:987");
156 q = this::xIvi;
157 assertEquals(q.m(333,27, 72), "xIvi:(333)99");
158 }
160 public void testVarArgsNsi() {
161 Nsi q;
163 q = this::xvI;
164 assertEquals(q.m(3), "xvI:3-");
166 q = this::xIvI;
167 assertEquals(q.m(888), "xIvI:888");
169 q = this::xvi;
170 assertEquals(q.m(900), "xvi:900");
172 q = this::xIvi;
173 assertEquals(q.m(333), "xIvi:(333)0");
174 }
176 // These should NOT be processed as var args
178 public void testVarArgsNsaO() {
179 NsaO q;
181 q = this::xvO;
182 assertEquals(q.m(new String[] { "yo", "there", "dude" }), "xvO:yo*there*dude*");
183 }
186 }