1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5  * This code is free software; you can redistribute it and/or modify it
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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
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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22  */
23 
24 import java.net.URLDecoder;
25 import java.net.URLEncoder;
26 import java.nio.charset.StandardCharsets;
27 import org.testng.Assert;
28 import org.testng.annotations.DataProvider;
29 import org.testng.annotations.Test;
30 
31 /**
32  * @test
33  * @bug 8183743
34  * @summary Test to verify the new overload method with Charset functions the same
35  * as the existing method that takes a charset name.
36  * @run testng EncodingTest
37  */
38 public class EncodingTest {
39     public static enum ParameterType {
40         STRING,
41         CHARSET
42     }
43 
44     @DataProvider(name = "encode")
getDecodeParameters()45     public Object[][] getDecodeParameters() {
46         return new Object[][]{
47             {"The string \u00FC@foo-bar"},
48             // the string from javadoc example
49 
50             {""}, // an empty string
51 
52             {"x"}, // a string of length 1
53 
54             {"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_-.*"},
55             // the string of characters should remain the same
56 
57             {charactersRange('\u0000', '\u007F')},
58             // a string of characters from 0 to 127
59 
60             {charactersRange('\u0080', '\u00FF')},
61             // a string of characters from 128 to 255
62 
63             {"\u0100 \u0101 \u0555 \u07FD \u07FF"},
64             // a string of Unicode values can be expressed as 2 bytes
65 
66             {"\u8000 \u8001 \uA000 \uFFFD \uFFFF"}, // a string of Unicode values can be expressed as 3 bytes
67         };
68     }
69 
70     /**
71      * Verifies that the new overload method returns the same result as the
72      * existing method.
73      *
74      * @param s the string to be encoded
75      * @throws Exception if the test fails
76      */
77     @Test(dataProvider = "encode")
encode(String s)78     public void encode(String s) throws Exception {
79         String encoded1 = URLEncoder.encode(s, StandardCharsets.UTF_8.name());
80         String encoded2 = URLEncoder.encode(s, StandardCharsets.UTF_8);
81         Assert.assertEquals(encoded1, encoded2);
82 
83         // cross check
84         String returned1 = URLDecoder.decode(encoded1, StandardCharsets.UTF_8.name());
85         String returned2 = URLDecoder.decode(encoded2, StandardCharsets.UTF_8);
86         Assert.assertEquals(returned1, returned2);
87     }
88 
charactersRange(char c1, char c2)89     String charactersRange(char c1, char c2) {
90         StringBuilder sb = new StringBuilder(c2 - c1);
91         for (char c = c1; c < c2; c++) {
92             sb.append(c);
93         }
94 
95         return sb.toString();
96     }
97 }
98