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test/tools/javac/lambda/methodReferenceExecution/MethodReferenceTestNew.java@c6728c9addff
test/tools/javac/lambda/methodReferenceExecution/MethodReferenceTestNew.java
Fri, 22 Mar 2013 12:43:09 +0000
- author
- mcimadamore
- date
- Fri, 22 Mar 2013 12:43:09 +0000
- changeset 1655
- c6728c9addff
- parent 0
- 959103a6100f
- permissions
- -rw-r--r--
8010303: Graph inference: missing incorporation step causes spurious inference error
Summary: Multiple equality constraints on inference vars are not used to generate new inference constraints
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 MethodReferenceTestNew
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 MethodReferenceTestNew {
44 interface M0<T> {
46 T m();
47 }
49 static class N0 {
51 N0() {
52 }
53 }
55 interface M1<T> {
57 T m(Integer a);
58 }
60 static class N1 {
62 int i;
64 N1(int i) {
65 this.i = i;
66 }
67 }
69 interface M2<T> {
71 T m(Integer n, String o);
72 }
74 static class N2 {
76 Number n;
77 Object o;
79 N2(Number n, Object o) {
80 this.n = n;
81 this.o = o;
82 }
84 public String toString() {
85 return "N2(" + n + "," + o + ")";
86 }
87 }
89 interface MV {
91 NV m(Integer ai, int i);
92 }
94 static class NV {
96 int i;
98 NV(int... v) {
99 i = 0;
100 for (int x : v) {
101 i += x;
102 }
103 }
105 public String toString() {
106 return "NV(" + i + ")";
107 }
108 }
110 public void testConstructorReference0() {
111 M0<N0> q;
113 q = N0::new;
114 assertEquals(q.m().getClass().getSimpleName(), "N0");
115 }
117 public void testConstructorReference1() {
118 M1<N1> q;
120 q = N1::new;
121 assertEquals(q.m(14).getClass().getSimpleName(), "N1");
122 }
124 public void testConstructorReference2() {
125 M2<N2> q;
127 q = N2::new;
128 assertEquals(q.m(7, "hi").toString(), "N2(7,hi)");
129 }
131 public void testConstructorReferenceVarArgs() {
132 MV q;
134 q = NV::new;
135 assertEquals(q.m(5, 45).toString(), "NV(50)");
136 }
138 }
