1/* Licensed to the Apache Software Foundation (ASF) under one or more 2 * contributor license agreements. See the NOTICE file distributed with 3 * this work for additional information regarding copyright ownership. 4 * The ASF licenses this file to You under the Apache License, Version 2.0 5 * (the "License"); you may not use this file except in compliance with 6 * the License. You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package org.apache.harmony.tests.java.util.regex; 18 19import java.util.regex.Matcher; 20import java.util.regex.Pattern; 21import java.util.regex.PatternSyntaxException; 22 23import junit.framework.TestCase; 24 25@SuppressWarnings("nls") 26public class ReplaceTest extends TestCase { 27 28 public void testSimpleReplace() throws PatternSyntaxException { 29 String target, pattern, repl; 30 31 target = "foobarfobarfoofo1"; 32 pattern = "fo[^o]"; 33 repl = "xxx"; 34 35 Pattern p = Pattern.compile(pattern); 36 Matcher m = p.matcher(target); 37 38 assertEquals("foobarxxxarfoofo1", m.replaceFirst(repl)); 39 assertEquals("foobarxxxarfooxxx", m.replaceAll(repl)); 40 } 41 42 public void testCaptureReplace() { 43 String target, pattern, repl, s; 44 Pattern p = null; 45 Matcher m; 46 47 target = "[31]foo;bar[42];[99]xyz"; 48 pattern = "\\[([0-9]+)\\]([a-z]+)"; 49 repl = "$2[$1]"; 50 51 p = Pattern.compile(pattern); 52 m = p.matcher(target); 53 s = m.replaceFirst(repl); 54 assertEquals("foo[31];bar[42];[99]xyz", s); 55 s = m.replaceAll(repl); 56 assertEquals("foo[31];bar[42];xyz[99]", s); 57 58 target = "[31]foo(42)bar{63}zoo;[12]abc(34)def{56}ghi;{99}xyz[88]xyz(77)xyz;"; 59 pattern = "\\[([0-9]+)\\]([a-z]+)\\(([0-9]+)\\)([a-z]+)\\{([0-9]+)\\}([a-z]+)"; 60 repl = "[$5]$6($3)$4{$1}$2"; 61 p = Pattern.compile(pattern); 62 m = p.matcher(target); 63 s = m.replaceFirst(repl); 64 // System.out.println(s); 65 assertEquals( 66 "[63]zoo(42)bar{31}foo;[12]abc(34)def{56}ghi;{99}xyz[88]xyz(77)xyz;", 67 s); 68 s = m.replaceAll(repl); 69 // System.out.println(s); 70 assertEquals( 71 "[63]zoo(42)bar{31}foo;[56]ghi(34)def{12}abc;{99}xyz[88]xyz(77)xyz;", 72 s); 73 } 74 75 public void testEscapeReplace() { 76 String target, pattern, repl, s; 77 78 target = "foo'bar''foo"; 79 pattern = "'"; 80 repl = "\\'"; 81 s = target.replaceAll(pattern, repl); 82 assertEquals("foo'bar''foo", s); 83 repl = "\\\\'"; 84 s = target.replaceAll(pattern, repl); 85 assertEquals("foo\\'bar\\'\\'foo", s); 86 repl = "\\$3"; 87 s = target.replaceAll(pattern, repl); 88 assertEquals("foo$3bar$3$3foo", s); 89 } 90} 91