source: other-projects/trunk/gs3-release-maker/apache-ant-1.6.5/src/testcases/org/apache/tools/ant/util/regexp/RegexpMatcherTest.java@ 14627

Last change on this file since 14627 was 14627, checked in by oranfry, 17 years ago

initial import of the gs3-release-maker
File size: 7.8 KB
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1/*
2 * Copyright 2000-2004 The Apache Software Foundation
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * 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 */
17
18package org.apache.tools.ant.util.regexp;
19
20import java.io.*;
21import java.util.Vector;
22
23import junit.framework.Test;
24import junit.framework.TestCase;
25import junit.framework.TestSuite;
26
27/**
28 * Tests for all implementations of the RegexpMatcher interface.
29 *
30 */
31public abstract class RegexpMatcherTest extends TestCase {
32
33 public final static String UNIX_LINE = "\n";
34
35 private RegexpMatcher reg;
36
37 public abstract RegexpMatcher getImplementation();
38
39 protected final RegexpMatcher getReg() {return reg;}
40
41 public RegexpMatcherTest(String name) {
42 super(name);
43 }
44
45 public void setUp() {
46 reg = getImplementation();
47 }
48
49 public void testMatches() {
50 reg.setPattern("aaaa");
51 assertTrue("aaaa should match itself", reg.matches("aaaa"));
52 assertTrue("aaaa should match xaaaa", reg.matches("xaaaa"));
53 assertTrue("aaaa shouldn\'t match xaaa", !reg.matches("xaaa"));
54 reg.setPattern("^aaaa");
55 assertTrue("^aaaa shouldn\'t match xaaaa", !reg.matches("xaaaa"));
56 assertTrue("^aaaa should match aaaax", reg.matches("aaaax"));
57 reg.setPattern("aaaa$");
58 assertTrue("aaaa$ shouldn\'t match aaaax", !reg.matches("aaaax"));
59 assertTrue("aaaa$ should match xaaaa", reg.matches("xaaaa"));
60 reg.setPattern("[0-9]+");
61 assertTrue("[0-9]+ should match 123", reg.matches("123"));
62 assertTrue("[0-9]+ should match 1", reg.matches("1"));
63 assertTrue("[0-9]+ shouldn\'t match \'\'", !reg.matches(""));
64 assertTrue("[0-9]+ shouldn\'t match a", !reg.matches("a"));
65 reg.setPattern("[0-9]*");
66 assertTrue("[0-9]* should match 123", reg.matches("123"));
67 assertTrue("[0-9]* should match 1", reg.matches("1"));
68 assertTrue("[0-9]* should match \'\'", reg.matches(""));
69 assertTrue("[0-9]* should match a", reg.matches("a"));
70 reg.setPattern("([0-9]+)=\\1");
71 assertTrue("([0-9]+)=\\1 should match 1=1", reg.matches("1=1"));
72 assertTrue("([0-9]+)=\\1 shouldn\'t match 1=2", !reg.matches("1=2"));
73 }
74
75 public void testGroups() {
76 reg.setPattern("aaaa");
77 Vector v = reg.getGroups("xaaaa");
78 assertEquals("No parens -> no extra groups", 1, v.size());
79 assertEquals("Trivial match with no parens", "aaaa",
80 (String) v.elementAt(0));
81
82 reg.setPattern("(aaaa)");
83 v = reg.getGroups("xaaaa");
84 assertEquals("Trivial match with single paren", 2, v.size());
85 assertEquals("Trivial match with single paren, full match", "aaaa",
86 (String) v.elementAt(0));
87 assertEquals("Trivial match with single paren, matched paren", "aaaa",
88 (String) v.elementAt(0));
89
90 reg.setPattern("(a+)b(b+)");
91 v = reg.getGroups("xaabb");
92 assertEquals(3, v.size());
93 assertEquals("aabb", (String) v.elementAt(0));
94 assertEquals("aa", (String) v.elementAt(1));
95 assertEquals("b", (String) v.elementAt(2));
96 }
97
98 public void testBugzillaReport14619() {
99 reg.setPattern("^(.*)/src/((.*/)*)([a-zA-Z0-9_\\.]+)\\.java$");
100 Vector v = reg.getGroups("de/tom/src/Google.java");
101 assertEquals(5, v.size());
102 assertEquals("de/tom", v.elementAt(1));
103 assertEquals("", v.elementAt(2));
104 assertEquals("", v.elementAt(3));
105 assertEquals("Google", v.elementAt(4));
106 }
107
108 public void testCaseInsensitiveMatch() {
109 reg.setPattern("aaaa");
110 assertTrue("aaaa doesn't match AAaa", !reg.matches("AAaa"));
111 assertTrue("aaaa matches AAaa ignoring case",
112 reg.matches("AAaa", RegexpMatcher.MATCH_CASE_INSENSITIVE));
113 }
114
115
116// make sure there are no issues concerning line separator interpretation
117// a line separator for regex (perl) is always a unix line (ie \n)
118
119 public void testParagraphCharacter() throws IOException {
120 reg.setPattern("end of text$");
121 assertTrue("paragraph character", !reg.matches("end of text\u2029"));
122 }
123
124 public void testLineSeparatorCharacter() throws IOException {
125 reg.setPattern("end of text$");
126 assertTrue("line-separator character", !reg.matches("end of text\u2028"));
127 }
128
129 public void testNextLineCharacter() throws IOException {
130 reg.setPattern("end of text$");
131 assertTrue("next-line character", !reg.matches("end of text\u0085"));
132 }
133
134 public void testStandaloneCR() throws IOException {
135 reg.setPattern("end of text$");
136 assertTrue("standalone CR", !reg.matches("end of text\r"));
137 }
138
139 public void testWindowsLineSeparator() throws IOException {
140 reg.setPattern("end of text$");
141 assertTrue("Windows line separator", !reg.matches("end of text\r\n"));
142 }
143
144 public void testWindowsLineSeparator2() throws IOException {
145 reg.setPattern("end of text\r$");
146 assertTrue("Windows line separator", reg.matches("end of text\r\n"));
147 }
148
149 public void testUnixLineSeparator() throws IOException {
150 reg.setPattern("end of text$");
151 assertTrue("Unix line separator", reg.matches("end of text\n"));
152 }
153
154
155 public void testMultiVersusSingleLine() throws IOException {
156 StringBuffer buf = new StringBuffer();
157 buf.append("Line1").append(UNIX_LINE);
158 buf.append("starttest Line2").append(UNIX_LINE);
159 buf.append("Line3 endtest").append(UNIX_LINE);
160 buf.append("Line4").append(UNIX_LINE);
161 String text = buf.toString();
162
163 doStartTest1(text);
164 doStartTest2(text);
165 doEndTest1(text);
166 doEndTest2(text);
167 }
168
169 protected void doStartTest1(String text) {
170 reg.setPattern("^starttest");
171 assertTrue("^starttest in default mode", !reg.matches(text));
172 assertTrue("^starttest in single line mode",
173 !reg.matches(text, RegexpMatcher.MATCH_SINGLELINE));
174 assertTrue("^starttest in multi line mode",
175 reg.matches(text, RegexpMatcher.MATCH_MULTILINE));
176 }
177
178 protected void doStartTest2(String text) {
179 reg.setPattern("^Line1");
180 assertTrue("^Line1 in default mode", reg.matches(text));
181 assertTrue("^Line1 in single line mode",
182 reg.matches(text, RegexpMatcher.MATCH_SINGLELINE));
183 assertTrue("^Line1 in multi line mode",
184 reg.matches(text, RegexpMatcher.MATCH_MULTILINE));
185 }
186
187 protected void doEndTest1(String text) {
188 reg.setPattern("endtest$");
189 assertTrue("endtest$ in default mode", !reg.matches(text));
190 assertTrue("endtest$ in single line mode",
191 !reg.matches(text, RegexpMatcher.MATCH_SINGLELINE));
192 assertTrue("endtest$ in multi line mode",
193 reg.matches(text, RegexpMatcher.MATCH_MULTILINE));
194 }
195
196 protected void doEndTest2(String text) {
197 reg.setPattern("Line4$");
198 assertTrue("Line4$ in default mode", reg.matches(text));
199 assertTrue("Line4$ in single line mode",
200 reg.matches(text, RegexpMatcher.MATCH_SINGLELINE));
201 assertTrue("Line4$ in multi line mode",
202 reg.matches(text, RegexpMatcher.MATCH_MULTILINE));
203 }
204
205}
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