| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2000-2002 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| package org.apache.tools.ant.util.regexp; |
| |
| import java.io.*; |
| import java.util.Vector; |
| |
| import junit.framework.Test; |
| import junit.framework.TestCase; |
| import junit.framework.TestSuite; |
| |
| /** |
| * Tests for all implementations of the RegexpMatcher interface. |
| * |
| * @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a> |
| */ |
| public abstract class RegexpMatcherTest extends TestCase { |
| |
| public final static String UNIX_LINE = "\n"; |
| |
| private RegexpMatcher reg; |
| |
| public abstract RegexpMatcher getImplementation(); |
| |
| protected final RegexpMatcher getReg() {return reg;} |
| |
| public RegexpMatcherTest(String name) { |
| super(name); |
| } |
| |
| public void setUp() { |
| reg = getImplementation(); |
| } |
| |
| public void testMatches() { |
| reg.setPattern("aaaa"); |
| assertTrue("aaaa should match itself", reg.matches("aaaa")); |
| assertTrue("aaaa should match xaaaa", reg.matches("xaaaa")); |
| assertTrue("aaaa shouldn\'t match xaaa", !reg.matches("xaaa")); |
| reg.setPattern("^aaaa"); |
| assertTrue("^aaaa shouldn\'t match xaaaa", !reg.matches("xaaaa")); |
| assertTrue("^aaaa should match aaaax", reg.matches("aaaax")); |
| reg.setPattern("aaaa$"); |
| assertTrue("aaaa$ shouldn\'t match aaaax", !reg.matches("aaaax")); |
| assertTrue("aaaa$ should match xaaaa", reg.matches("xaaaa")); |
| reg.setPattern("[0-9]+"); |
| assertTrue("[0-9]+ should match 123", reg.matches("123")); |
| assertTrue("[0-9]+ should match 1", reg.matches("1")); |
| assertTrue("[0-9]+ shouldn\'t match \'\'", !reg.matches("")); |
| assertTrue("[0-9]+ shouldn\'t match a", !reg.matches("a")); |
| reg.setPattern("[0-9]*"); |
| assertTrue("[0-9]* should match 123", reg.matches("123")); |
| assertTrue("[0-9]* should match 1", reg.matches("1")); |
| assertTrue("[0-9]* should match \'\'", reg.matches("")); |
| assertTrue("[0-9]* should match a", reg.matches("a")); |
| reg.setPattern("([0-9]+)=\\1"); |
| assertTrue("([0-9]+)=\\1 should match 1=1", reg.matches("1=1")); |
| assertTrue("([0-9]+)=\\1 shouldn\'t match 1=2", !reg.matches("1=2")); |
| } |
| |
| public void testGroups() { |
| reg.setPattern("aaaa"); |
| Vector v = reg.getGroups("xaaaa"); |
| assertEquals("No parens -> no extra groups", 1, v.size()); |
| assertEquals("Trivial match with no parens", "aaaa", |
| (String) v.elementAt(0)); |
| |
| reg.setPattern("(aaaa)"); |
| v = reg.getGroups("xaaaa"); |
| assertEquals("Trivial match with single paren", 2, v.size()); |
| assertEquals("Trivial match with single paren, full match", "aaaa", |
| (String) v.elementAt(0)); |
| assertEquals("Trivial match with single paren, matched paren", "aaaa", |
| (String) v.elementAt(0)); |
| |
| reg.setPattern("(a+)b(b+)"); |
| v = reg.getGroups("xaabb"); |
| assertEquals(3, v.size()); |
| assertEquals("aabb", (String) v.elementAt(0)); |
| assertEquals("aa", (String) v.elementAt(1)); |
| assertEquals("b", (String) v.elementAt(2)); |
| } |
| |
| public void testCaseInsensitiveMatch() { |
| reg.setPattern("aaaa"); |
| assertTrue("aaaa doesn't match AAaa", !reg.matches("AAaa")); |
| assertTrue("aaaa matches AAaa ignoring case", |
| reg.matches("AAaa", RegexpMatcher.MATCH_CASE_INSENSITIVE)); |
| } |
| |
| |
| // make sure there are no issues concerning line separator interpretation |
| // a line separator for regex (perl) is always a unix line (ie \n) |
| |
| public void testParagraphCharacter() throws IOException { |
| reg.setPattern("end of text$"); |
| assertTrue("paragraph character", !reg.matches("end of text\u2029")); |
| } |
| |
| public void testLineSeparatorCharacter() throws IOException { |
| reg.setPattern("end of text$"); |
| assertTrue("line-separator character", !reg.matches("end of text\u2028")); |
| } |
| |
| public void testNextLineCharacter() throws IOException { |
| reg.setPattern("end of text$"); |
| assertTrue("next-line character", !reg.matches("end of text\u0085")); |
| } |
| |
| public void testStandaloneCR() throws IOException { |
| reg.setPattern("end of text$"); |
| assertTrue("standalone CR", !reg.matches("end of text\r")); |
| } |
| |
| public void testWindowsLineSeparator() throws IOException { |
| reg.setPattern("end of text$"); |
| assertTrue("Windows line separator", !reg.matches("end of text\r\n")); |
| } |
| |
| public void testWindowsLineSeparator2() throws IOException { |
| reg.setPattern("end of text\r$"); |
| assertTrue("Windows line separator", reg.matches("end of text\r\n")); |
| } |
| |
| public void testUnixLineSeparator() throws IOException { |
| reg.setPattern("end of text$"); |
| assertTrue("Unix line separator", reg.matches("end of text\n")); |
| } |
| |
| |
| public void testMultiVersusSingleLine() throws IOException { |
| StringBuffer buf = new StringBuffer(); |
| buf.append("Line1").append(UNIX_LINE); |
| buf.append("starttest Line2").append(UNIX_LINE); |
| buf.append("Line3 endtest").append(UNIX_LINE); |
| buf.append("Line4").append(UNIX_LINE); |
| String text = buf.toString(); |
| |
| doStartTest1(text); |
| doStartTest2(text); |
| doEndTest1(text); |
| doEndTest2(text); |
| } |
| |
| protected void doStartTest1(String text) { |
| reg.setPattern("^starttest"); |
| assertTrue("^starttest in default mode", !reg.matches(text)); |
| assertTrue("^starttest in single line mode", |
| !reg.matches(text, RegexpMatcher.MATCH_SINGLELINE)); |
| assertTrue("^starttest in multi line mode", |
| reg.matches(text, RegexpMatcher.MATCH_MULTILINE)); |
| } |
| |
| protected void doStartTest2(String text) { |
| reg.setPattern("^Line1"); |
| assertTrue("^Line1 in default mode", reg.matches(text)); |
| assertTrue("^Line1 in single line mode", |
| reg.matches(text, RegexpMatcher.MATCH_SINGLELINE)); |
| assertTrue("^Line1 in multi line mode", |
| reg.matches(text, RegexpMatcher.MATCH_MULTILINE)); |
| } |
| |
| protected void doEndTest1(String text) { |
| reg.setPattern("endtest$"); |
| assertTrue("endtest$ in default mode", !reg.matches(text)); |
| assertTrue("endtest$ in single line mode", |
| !reg.matches(text, RegexpMatcher.MATCH_SINGLELINE)); |
| assertTrue("endtest$ in multi line mode", |
| reg.matches(text, RegexpMatcher.MATCH_MULTILINE)); |
| } |
| |
| protected void doEndTest2(String text) { |
| reg.setPattern("Line4$"); |
| assertTrue("Line4$ in default mode", reg.matches(text)); |
| assertTrue("Line4$ in single line mode", |
| reg.matches(text, RegexpMatcher.MATCH_SINGLELINE)); |
| assertTrue("Line4$ in multi line mode", |
| reg.matches(text, RegexpMatcher.MATCH_MULTILINE)); |
| } |
| |
| } |