/* * 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(); } }