LambdaTest2_SAM2.java revision 1414:01c9d4161882 
1/*
2 * Copyright (c) 2011, 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 #4, see Helper.java for SAM types
29 * @compile LambdaTest2_SAM2.java Helper.java
30 * @run main LambdaTest2_SAM2
31 */
32
33import java.util.Collection;
34import java.util.List;
35import java.util.ArrayList;
36import java.util.concurrent.TimeoutException;
37import java.io.*;
38import java.sql.SQLException;
39import java.sql.SQLTransientException;
40
41public class LambdaTest2_SAM2 {
42    private static List<String> strs = new ArrayList<String>();
43
44    public static void main(String[] args) {
45        strs.add("copy");
46        strs.add("paste");
47        strs.add("delete");
48        strs.add("rename");
49
50        LambdaTest2_SAM2 test = new LambdaTest2_SAM2();
51
52        //type #4 a):
53        test.methodAB((List list) -> 100);
54
55        //type #4 b):
56        test.methodFGHI((String s) -> new Integer(22));
57        //type #4 b):
58        test.methodJK((String s) -> new ArrayList<Number>());
59        test.methodJK((String s) -> new ArrayList());
60        //type #4 b):
61        test.methodJL((String s) -> new ArrayList<Number>());
62        test.methodJL((String s) -> new ArrayList());
63        //type #4 b):
64        test.methodJKL((String s) -> new ArrayList<Number>());
65        test.methodJKL((String s) -> new ArrayList());
66        //type #4 b):
67        test.methodJKLM((String s) -> new ArrayList<Number>());
68        test.methodJKLM((String s) -> new ArrayList());
69
70        // tyep #4 c):
71        test.methodNO((File f) -> {
72                String temp = null;
73                StringBuffer sb = new StringBuffer();
74                try
75                {
76                    BufferedReader br = new BufferedReader(new FileReader(f));
77                    while((temp=br.readLine()) != null)
78                        sb.append(temp).append("\n");
79                }
80                catch(FileNotFoundException fne){throw fne;}
81                catch(IOException e){e.printStackTrace();}
82                return sb.toString();
83        });
84        // tyep #4 c):
85        test.methodNOP((File f) -> {
86                String temp = null;
87                StringBuffer sb = new StringBuffer();
88                try
89                {
90                    BufferedReader br = new BufferedReader(new FileReader(f));
91                    while((temp=br.readLine()) != null)
92                        sb.append(temp).append("\n");
93                }
94                catch(IOException e){e.printStackTrace();}
95                return sb.toString();
96        });
97        // type #4 c):
98        test.methodBooDoo((String s) -> s.length());
99
100        //type #4 d):
101        test.methodQR((Iterable i) -> new ArrayList<String>());
102        test.methodQR((Iterable i) -> new ArrayList());
103        //type #4 d):
104        test.methodUV((List<String> list) -> {
105                test.exceptionMethod1();
106                test.exceptionMethod2();
107                return new ArrayList<String>();
108        });
109        test.methodUV((List<String> list) -> {
110                test.exceptionMethod1();
111                test.exceptionMethod2();
112                return new ArrayList();
113        });
114        //type #4 d):
115        test.methodUVW((List list) -> {
116                test.exceptionMethod1();
117                test.exceptionMethod2();
118                return new ArrayList<String>();
119        });
120        test.methodUVW((List list) -> {
121                test.exceptionMethod1();
122                test.exceptionMethod2();
123                return new ArrayList();
124        });
125    }
126
127    private void exceptionMethod1() throws EOFException{
128    }
129
130    private void exceptionMethod2() throws SQLTransientException{
131    }
132
133    //type #4 a): SAM type ([List], int, {})
134    void methodAB (AB ab) {
135        System.out.println("methodAB(): SAM type interface AB object instantiated: " + ab);
136        System.out.println(ab.getOldest(strs));
137    }
138
139    //type #4 b): SAM type ([String], Integer, {})
140    void methodFGHI(FGHI f) {
141        System.out.println("methodFGHI(): SAM type interface FGHI object instantiated: " + f);
142        System.out.println(f.getValue("str"));
143    }
144
145    //type #4 b): SAM type ([String], List<Number>, {})
146    void methodJK(JK jk) {
147        System.out.println("methodJK(): SAM type interface JK object instantiated: " + jk);
148        for(Number n : jk.getAll("in"))
149            System.out.println(n);
150    }
151
152    //type #4 b): SAM type ([String], List<Number>, {})
153    void methodJL(JL jl) {
154        System.out.println("methodJL(): SAM type interface JL object instantiated: " + jl);
155        for(Number n : ((J)jl).getAll("in")) //cast should be redundant - see 7062745
156            System.out.println(n);
157    }
158
159    //type #4 b): SAM type ([String], List<Number>, {})
160    void methodJKL(JKL jkl) { //commented - see 7062745
161        System.out.println("methodJKL(): SAM type interface JKL object instantiated: " + jkl);
162        for(Number n : ((J)jkl).getAll("in"))
163            System.out.println(n);
164    }
165
166    //type #4 b): SAM type ([String], List<Number>, {})
167    void methodJKLM(JKLM jklm) { //commented - see 7062745
168        System.out.println("methodJKLM(): SAM type interface JKLM object instantiated: " + jklm);
169        for(Number n : ((J)jklm).getAll("in"))
170            System.out.println(n);
171    }
172
173    //type #4 c): SAM type ([File], String, {FileNotFoundException})
174    void methodNO(NO no) {
175        System.out.println("methodNO(): SAM type interface \"NO\" object instantiated: " + no);
176        try {
177            System.out.println("text=" + no.getText(new File("a.txt")));
178            System.out.println("got here, no exception thrown");
179        }
180        catch(FileNotFoundException e){e.printStackTrace();}
181    }
182
183    //type #4 c): SAM type ([File]), String, {})
184    void methodNOP(NOP nop) {
185        System.out.println("methodNOP(): SAM type interface \"NOP\" object instantiated: " + nop);
186        System.out.println("text=" + nop.getText(new File("a.txt")));
187    }
188
189    //type #4 c): SAM type ([String], int, {})
190    void methodBooDoo(BooDoo bd) {
191        System.out.println("methodBooDoo(): SAM type interface BooDoo object instantiated: " + bd);
192        System.out.println("result=" + bd.getAge("lambda"));
193    }
194
195    //type #4 d): SAM type ([Iterable], Iterable<String>, {})
196    void methodQR(QR qr) {
197        System.out.println("methodQR(): SAM type interface QR object instantiated: " + qr);
198        System.out.println("Iterable returned: " + qr.m(new SQLException()));
199    }
200
201    //type #4 d): SAM type ([List<String>], List<String>/List, {EOFException, SQLTransientException})
202    void methodUV(UV uv) {
203        System.out.println("methodUV(): SAM type interface UV object instantiated: " + uv);
204        try{
205            System.out.println("result returned: " + uv.foo(strs));
206        }catch(EOFException e){
207            System.out.println(e.getMessage());
208        }catch(SQLTransientException ex){
209            System.out.println(ex.getMessage());
210        }
211    }
212
213    //type #4 d): SAM type ([List], List<String>/List, {EOFException, SQLTransientException})
214    void methodUVW(UVW uvw) {
215        System.out.println("methodUVW(): SAM type interface UVW object instantiated: " + uvw);
216        try{
217            System.out.println("passing List<String>: " + uvw.foo(strs));
218            System.out.println("passing List: " + uvw.foo(new ArrayList()));
219        }catch(EOFException e){
220            System.out.println(e.getMessage());
221        }catch(SQLTransientException ex){
222            System.out.println(ex.getMessage());
223        }
224    }
225}
226