1 /*
   2  * Copyright (c) 2017, 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 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")
  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")
  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 
  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 }