/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.lang3.text;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
/**
* Unit tests for {@link org.apache.commons.lang3.text.StrMatcher}.
*
* @version $Id$
*/
public class StrMatcherTest {
private static final char[] BUFFER1 = "0,1\t2 3\n\r\f\u0000'\"".toCharArray();
private static final char[] BUFFER2 = "abcdef".toCharArray();
//-----------------------------------------------------------------------
@Test
public void testCommaMatcher() {
final StrMatcher matcher = StrMatcher.commaMatcher();
assertSame(matcher, StrMatcher.commaMatcher());
assertEquals(0, matcher.isMatch(BUFFER1, 0));
assertEquals(1, matcher.isMatch(BUFFER1, 1));
assertEquals(0, matcher.isMatch(BUFFER1, 2));
}
//-----------------------------------------------------------------------
@Test
public void testTabMatcher() {
final StrMatcher matcher = StrMatcher.tabMatcher();
assertSame(matcher, StrMatcher.tabMatcher());
assertEquals(0, matcher.isMatch(BUFFER1, 2));
assertEquals(1, matcher.isMatch(BUFFER1, 3));
assertEquals(0, matcher.isMatch(BUFFER1, 4));
}
//-----------------------------------------------------------------------
@Test
public void testSpaceMatcher() {
final StrMatcher matcher = StrMatcher.spaceMatcher();
assertSame(matcher, StrMatcher.spaceMatcher());
assertEquals(0, matcher.isMatch(BUFFER1, 4));
assertEquals(1, matcher.isMatch(BUFFER1, 5));
assertEquals(0, matcher.isMatch(BUFFER1, 6));
}
//-----------------------------------------------------------------------
@Test
public void testSplitMatcher() {
final StrMatcher matcher = StrMatcher.splitMatcher();
assertSame(matcher, StrMatcher.splitMatcher());
assertEquals(0, matcher.isMatch(BUFFER1, 2));
assertEquals(1, matcher.isMatch(BUFFER1, 3));
assertEquals(0, matcher.isMatch(BUFFER1, 4));
assertEquals(1, matcher.isMatch(BUFFER1, 5));
assertEquals(0, matcher.isMatch(BUFFER1, 6));
assertEquals(1, matcher.isMatch(BUFFER1, 7));
assertEquals(1, matcher.isMatch(BUFFER1, 8));
assertEquals(1, matcher.isMatch(BUFFER1, 9));
assertEquals(0, matcher.isMatch(BUFFER1, 10));
}
//-----------------------------------------------------------------------
@Test
public void testTrimMatcher() {
final StrMatcher matcher = StrMatcher.trimMatcher();
assertSame(matcher, StrMatcher.trimMatcher());
assertEquals(0, matcher.isMatch(BUFFER1, 2));
assertEquals(1, matcher.isMatch(BUFFER1, 3));
assertEquals(0, matcher.isMatch(BUFFER1, 4));
assertEquals(1, matcher.isMatch(BUFFER1, 5));
assertEquals(0, matcher.isMatch(BUFFER1, 6));
assertEquals(1, matcher.isMatch(BUFFER1, 7));
assertEquals(1, matcher.isMatch(BUFFER1, 8));
assertEquals(1, matcher.isMatch(BUFFER1, 9));
assertEquals(1, matcher.isMatch(BUFFER1, 10));
}
//-----------------------------------------------------------------------
@Test
public void testSingleQuoteMatcher() {
final StrMatcher matcher = StrMatcher.singleQuoteMatcher();
assertSame(matcher, StrMatcher.singleQuoteMatcher());
assertEquals(0, matcher.isMatch(BUFFER1, 10));
assertEquals(1, matcher.isMatch(BUFFER1, 11));
assertEquals(0, matcher.isMatch(BUFFER1, 12));
}
//-----------------------------------------------------------------------
@Test
public void testDoubleQuoteMatcher() {
final StrMatcher matcher = StrMatcher.doubleQuoteMatcher();
assertSame(matcher, StrMatcher.doubleQuoteMatcher());
assertEquals(0, matcher.isMatch(BUFFER1, 11));
assertEquals(1, matcher.isMatch(BUFFER1, 12));
}
//-----------------------------------------------------------------------
@Test
public void testQuoteMatcher() {
final StrMatcher matcher = StrMatcher.quoteMatcher();
assertSame(matcher, StrMatcher.quoteMatcher());
assertEquals(0, matcher.isMatch(BUFFER1, 10));
assertEquals(1, matcher.isMatch(BUFFER1, 11));
assertEquals(1, matcher.isMatch(BUFFER1, 12));
}
//-----------------------------------------------------------------------
@Test
public void testNoneMatcher() {
final StrMatcher matcher = StrMatcher.noneMatcher();
assertSame(matcher, StrMatcher.noneMatcher());
assertEquals(0, matcher.isMatch(BUFFER1, 0));
assertEquals(0, matcher.isMatch(BUFFER1, 1));
assertEquals(0, matcher.isMatch(BUFFER1, 2));
assertEquals(0, matcher.isMatch(BUFFER1, 3));
assertEquals(0, matcher.isMatch(BUFFER1, 4));
assertEquals(0, matcher.isMatch(BUFFER1, 5));
assertEquals(0, matcher.isMatch(BUFFER1, 6));
assertEquals(0, matcher.isMatch(BUFFER1, 7));
assertEquals(0, matcher.isMatch(BUFFER1, 8));
assertEquals(0, matcher.isMatch(BUFFER1, 9));
assertEquals(0, matcher.isMatch(BUFFER1, 10));
assertEquals(0, matcher.isMatch(BUFFER1, 11));
assertEquals(0, matcher.isMatch(BUFFER1, 12));
}
//-----------------------------------------------------------------------
@Test
public void testCharMatcher_char() {
final StrMatcher matcher = StrMatcher.charMatcher('c');
assertEquals(0, matcher.isMatch(BUFFER2, 0));
assertEquals(0, matcher.isMatch(BUFFER2, 1));
assertEquals(1, matcher.isMatch(BUFFER2, 2));
assertEquals(0, matcher.isMatch(BUFFER2, 3));
assertEquals(0, matcher.isMatch(BUFFER2, 4));
assertEquals(0, matcher.isMatch(BUFFER2, 5));
}
//-----------------------------------------------------------------------
@Test
public void testCharSetMatcher_String() {
final StrMatcher matcher = StrMatcher.charSetMatcher("ace");
assertEquals(1, matcher.isMatch(BUFFER2, 0));
assertEquals(0, matcher.isMatch(BUFFER2, 1));
assertEquals(1, matcher.isMatch(BUFFER2, 2));
assertEquals(0, matcher.isMatch(BUFFER2, 3));
assertEquals(1, matcher.isMatch(BUFFER2, 4));
assertEquals(0, matcher.isMatch(BUFFER2, 5));
assertSame(StrMatcher.noneMatcher(), StrMatcher.charSetMatcher(""));
assertSame(StrMatcher.noneMatcher(), StrMatcher.charSetMatcher((String) null));
assertTrue(StrMatcher.charSetMatcher("a") instanceof StrMatcher.CharMatcher);
}
//-----------------------------------------------------------------------
@Test
public void testCharSetMatcher_charArray() {
final StrMatcher matcher = StrMatcher.charSetMatcher("ace".toCharArray());
assertEquals(1, matcher.isMatch(BUFFER2, 0));
assertEquals(0, matcher.isMatch(BUFFER2, 1));
assertEquals(1, matcher.isMatch(BUFFER2, 2));
assertEquals(0, matcher.isMatch(BUFFER2, 3));
assertEquals(1, matcher.isMatch(BUFFER2, 4));
assertEquals(0, matcher.isMatch(BUFFER2, 5));
assertSame(StrMatcher.noneMatcher(), StrMatcher.charSetMatcher(new char[0]));
assertSame(StrMatcher.noneMatcher(), StrMatcher.charSetMatcher((char[]) null));
assertTrue(StrMatcher.charSetMatcher("a".toCharArray()) instanceof StrMatcher.CharMatcher);
}
//-----------------------------------------------------------------------
@Test
public void testStringMatcher_String() {
final StrMatcher matcher = StrMatcher.stringMatcher("bc");
assertEquals(0, matcher.isMatch(BUFFER2, 0));
assertEquals(2, matcher.isMatch(BUFFER2, 1));
assertEquals(0, matcher.isMatch(BUFFER2, 2));
assertEquals(0, matcher.isMatch(BUFFER2, 3));
assertEquals(0, matcher.isMatch(BUFFER2, 4));
assertEquals(0, matcher.isMatch(BUFFER2, 5));
assertSame(StrMatcher.noneMatcher(), StrMatcher.stringMatcher(""));
assertSame(StrMatcher.noneMatcher(), StrMatcher.stringMatcher((String) null));
}
//-----------------------------------------------------------------------
@Test
public void testMatcherIndices() {
// remember that the API contract is tight for the isMatch() method
// all the onus is on the caller, so invalid inputs are not
// the concern of StrMatcher, and are not bugs
final StrMatcher matcher = StrMatcher.stringMatcher("bc");
assertEquals(2, matcher.isMatch(BUFFER2, 1, 1, BUFFER2.length));
assertEquals(2, matcher.isMatch(BUFFER2, 1, 0, 3));
assertEquals(0, matcher.isMatch(BUFFER2, 1, 0, 2));
}
}