1/*
2 * Copyright (c) 2011, 2015, 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 8003280
27 * @summary Add lambda tests
28 *   This test is for identifying SAM types 2 and 3, see Helper.java for SAM types
29 * @modules java.sql
30 * @compile LambdaTest2_SAM1.java Helper.java
31 * @run main LambdaTest2_SAM1
32 */
33
34import java.util.Collections;
35import java.util.List;
36import java.util.ArrayList;
37import java.io.*;
38
39public class LambdaTest2_SAM1 {
40    private static List<String> strs = new ArrayList<String>();
41    private static List<File> files = new ArrayList<File>();
42
43    public static void main(String[] args) {
44        strs.add("copy");
45        strs.add("paste");
46        strs.add("delete");
47        strs.add("rename");
48
49        files.add(new File("a.txt"));
50        files.add(new File("c.txt"));
51        files.add(new File("b.txt"));
52
53        //type #2: Comparator<T>
54        Collections.sort(files, (File f1, File f2) -> f1.getName().compareTo(f2.getName()));
55        for(File f : files)
56            System.out.println(f.getName());
57        System.out.println();
58        Collections.sort(files, (File f1, File f2) -> (int)(f1.length() - f2.length()));
59        for(File f : files)
60            System.out.println(f.getName() + " " + f.length());
61        System.out.println();
62
63        LambdaTest2_SAM1 test = new LambdaTest2_SAM1();
64
65        //type #2:
66        test.methodMars((File f) -> {
67            System.out.println("implementing Mars<File>.getAge(File f)...");
68            return (int)f.length();
69        });
70        test.methodJupiter((int n) -> n+1);
71
72        //type #3:
73        test.methodXY((List<String> strList) -> strList.size() );
74        test.methodXYZ((List<String> strList) -> 20 );
75    }
76
77    //type #2:
78    void methodMars(Mars<File> m) {
79        System.out.println("methodMars(): SAM type interface Mars object instantiated: " + m);
80        System.out.println(m.getAge(new File("a.txt")));
81    }
82
83    //type #2:
84    void methodJupiter(Jupiter j) {
85        System.out.println("methodJupiter(): SAM type interface Jupiter object instantiated: " + j);
86        System.out.println(j.increment(33));
87    }
88
89    //type #3:
90    void methodXY(XY xy) {
91        System.out.println("methodXY(): SAM type interface XY object instantiated: " + xy);
92        System.out.println(xy.getTotal(strs));
93    }
94
95    //type #3:
96    void methodXYZ(XYZ xyz) {
97        System.out.println("methodXYZ(): SAM type interface XYZ object instantiated: " + xyz);
98        System.out.println(xyz.getTotal(strs));
99    }
100}
101