/*

 * Copyright (c) 2001, 2003, 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.

 */

/* @test

 * @bug 4808962

 * @summary Unit tests for String regex methods

 */

public class Regex {

    static void ck(boolean x, boolean ans) throws Exception {

        if (x != ans)

            throw new Exception("Test failed");

    }

    static void ck(String x, String ans) throws Exception {

        if (!x.equals(ans))

            throw new Exception("Test failed");

    }

    static void ck(String[] x, String[] ans) throws Exception {

        if (x.length != ans.length)

            throw new Exception("Test failed");

        for (int i = 0; i < x.length; i++) {

            if (!x[i].equals(ans[i]))

                throw new Exception("Test failed");

        }

    }

    static void testLiteralReplacement() throws Exception {

        // Test straightforward replacement

        String data = "abcdefghi";

        String result = data.replace("def", "abc");

        if (!result.equals("abcabcghi"))

            throw new Exception("Test failed");

        // Test replacement with target that has metacharacters

        data = "abc(def)?ghi";

        result = data.replace("(def)?", "abc");

        if (!result.equals("abcabcghi"))

            throw new Exception("Test failed");

        // Test replacement with replacement that has metacharacters

        data = "abcdefghi";

        result = data.replace("def", "\\ab$c");

        if (!result.equals("abc\\ab$cghi"))

            throw new Exception("Test failed");

    }

    public static void main(String[] args) throws Exception {

        // These don't need to be thorough, they just need to check

        // that we're properly hooked up to java.util.regex

        String foo = "boo:and:foo";

        ck(foo.matches("b+"), false);

        ck(foo.matches("o+"), false);

        ck(foo.matches("b..:and:f.*"), true);

        ck(foo.replaceAll("oo", "uu"), "buu:and:fuu");

        ck(foo.replaceAll("o+", "<$0>"), "b<oo>:and:f<oo>");

        ck(foo.replaceFirst("oo", "uu"), "buu:and:foo");

        ck(foo.replaceFirst("o+", "<$0>"), "b<oo>:and:foo");

        ck(foo.split(":"), new String[] { "boo", "and", "foo" });

        ck(foo.split("o"), new String[] { "b", "", ":and:f" });

        ck(foo.split(":", 2), new String[] { "boo", "and:foo" });

        ck(foo.split("o", -2), new String[] { "b", "", ":and:f", "", "" });

        testLiteralReplacement();

    }

}