File: EncodingTest.java

package info (click to toggle)
openjdk-11 11.0.4%2B11-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 757,028 kB
  • sloc: java: 5,016,041; xml: 1,191,974; cpp: 934,731; ansic: 555,697; sh: 24,299; objc: 12,703; python: 3,602; asm: 3,415; makefile: 2,772; awk: 351; sed: 172; perl: 114; jsp: 24; csh: 3
file content (134 lines) | stat: -rw-r--r-- 4,914 bytes parent folder | download | duplicates (16)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
/*
 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import org.testng.Assert;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

/**
 * @test
 * @bug 8183743
 * @summary Test to verify the new overload method with Charset functions the same
 * as the existing method that takes a charset name.
 * @run testng EncodingTest
 */
public class EncodingTest {
    static String USER_DIR = System.getProperty("user.dir", ".");
    static boolean AUTOFLUSH = true;
    public static enum ConstructorType {
        STRING,
        FILE,
        OUTPUTSTREAM
    }

    /*
     * DataProvider fields:
     * Type of the constructor, a file to be written with a charset name,
     * a file to be written with a charset, charset name, charset.
     */
    @DataProvider(name = "parameters")
    public Object[][] getParameters() throws IOException {
        String csn = StandardCharsets.UTF_8.name();
        Charset charset = StandardCharsets.UTF_8;
        File file1 = new File(USER_DIR, "PSCharsetTest1.txt");
        File file2 = new File(USER_DIR, "PSCharsetTest2.txt");

        return new Object[][]{
            {ConstructorType.STRING, file1, file2, csn, charset},
            {ConstructorType.FILE, file1, file2, csn, charset},
            {ConstructorType.OUTPUTSTREAM, file1, file2, csn, charset}
        };
    }

    /**
     * Verifies that the overloading constructor behaves the same as the existing
     * one.
     * @param type the type of the constructor
     * @param file1 file1 written with the name of a charset
     * @param file2 file2 written with a charset
     * @param csn the charset name
     * @param charset the charset
     * @throws IOException
     */
    @Test(dataProvider = "parameters")
    public void test(ConstructorType type, File file1, File file2, String csn, Charset charset)
            throws Exception {
        createFile(getPrintStream(type, file1.getPath(), csn, null));
        createFile(getPrintStream(type, file2.getPath(), null, charset));

        Assert.assertEquals(Files.readAllLines(Paths.get(file1.getPath()), charset),
                Files.readAllLines(Paths.get(file2.getPath()), charset));
    }

    public void createFile(PrintStream out) throws IOException {
        out.println("high surrogate");
        out.println(Character.MIN_HIGH_SURROGATE);
        out.println("low surrogate");
        out.println(Character.MIN_LOW_SURROGATE);
        out.flush();
        out.close();
    }

    PrintStream getPrintStream(ConstructorType type, String path, String csn, Charset charset)
            throws IOException {
        PrintStream out = null;
        if (csn != null) {
            switch (type) {
                case STRING:
                    out = new PrintStream(path, csn);
                    break;
                case FILE:
                    out = new PrintStream(new File(path), csn);
                    break;
                case OUTPUTSTREAM:
                    FileOutputStream fout = new FileOutputStream(path);
                    out = new PrintStream(fout, AUTOFLUSH, csn);
                    break;
            }
        } else {
            switch (type) {
                case STRING:
                    out = new PrintStream(path, charset);
                    break;
                case FILE:
                    out = new PrintStream(new File(path), charset);
                    break;
                case OUTPUTSTREAM:
                    FileOutputStream fout = new FileOutputStream(path);
                    out = new PrintStream(fout, AUTOFLUSH, charset);
                    break;
            }
        }

        return out;
    }

}