/*

 * 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

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 */

import java.net.URLDecoder;

import java.net.URLEncoder;

import java.nio.charset.StandardCharsets;

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 {

    public static enum ParameterType {

        STRING,

        CHARSET

    }

    @DataProvider(name = "encode")

    public Object[][] getDecodeParameters() {

        return new Object[][]{

            {"The string \u00FC@foo-bar"},

            // the string from javadoc example

            {""}, // an empty string

            {"x"}, // a string of length 1

            {"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_-.*"},

            // the string of characters should remain the same

            {charactersRange('\u0000', '\u007F')},

            // a string of characters from 0 to 127

            {charactersRange('\u0080', '\u00FF')},

            // a string of characters from 128 to 255

            {"\u0100 \u0101 \u0555 \u07FD \u07FF"},

            // a string of Unicode values can be expressed as 2 bytes

            {"\u8000 \u8001 \uA000 \uFFFD \uFFFF"}, // a string of Unicode values can be expressed as 3 bytes

        };

    }

    /**

     * Verifies that the new overload method returns the same result as the

     * existing method.

     *

     * @param s the string to be encoded

     * @throws Exception if the test fails

     */

    @Test(dataProvider = "encode")

    public void encode(String s) throws Exception {

        String encoded1 = URLEncoder.encode(s, StandardCharsets.UTF_8.name());

        String encoded2 = URLEncoder.encode(s, StandardCharsets.UTF_8);

        Assert.assertEquals(encoded1, encoded2);

        // cross check

        String returned1 = URLDecoder.decode(encoded1, StandardCharsets.UTF_8.name());

        String returned2 = URLDecoder.decode(encoded2, StandardCharsets.UTF_8);

        Assert.assertEquals(returned1, returned2);

    }

    String charactersRange(char c1, char c2) {

        StringBuilder sb = new StringBuilder(c2 - c1);

        for (char c = c1; c < c2; c++) {

            sb.append(c);

        }

        return sb.toString();

    }

}