/*******************************************************************************
* Copyright (c) 2000, 2011 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Anton Leherbauer (Wind River Systems) - Adapted for CDT
*******************************************************************************/
package org.eclipse.cdt.ui.tests.text;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.rules.FastPartitioner;
import org.eclipse.cdt.ui.text.ICPartitions;
import org.eclipse.cdt.internal.ui.text.CPairMatcher;
import org.eclipse.cdt.internal.ui.text.FastCPartitionScanner;
public class PairMatcherTest extends TestCase {
private static boolean BEFORE_MATCHES_DISABLED= true;
protected IDocument fDocument;
protected CPairMatcher fPairMatcher;
public PairMatcherTest(String name) {
super(name);
}
protected void setUp() {
Document document= new Document("xx(yy(xx)yy)xx");
String[] types= new String[] {
ICPartitions.C_MULTI_LINE_COMMENT,
ICPartitions.C_SINGLE_LINE_COMMENT,
ICPartitions.C_STRING,
ICPartitions.C_CHARACTER,
IDocument.DEFAULT_CONTENT_TYPE
};
FastPartitioner partitioner= new FastPartitioner(new FastCPartitionScanner(), types);
partitioner.connect(document);
document.setDocumentPartitioner(ICPartitions.C_PARTITIONING, partitioner);
fDocument= document;
fPairMatcher= new CPairMatcher(new char[] { '(', ')', '<', '>' });
}
public static Test suite() {
return new TestSuite(PairMatcherTest.class);
}
protected void tearDown () {
fDocument= null;
fPairMatcher= null;
}
public void testBeforeOpeningMatch() {
IRegion match= fPairMatcher.match(fDocument, 2);
if (BEFORE_MATCHES_DISABLED) {
assertNull(match);
} else {
assertNotNull(match);
assertTrue(match.getOffset() == 2 && match.getLength() == 10);
}
match= fPairMatcher.match(fDocument, 5);
if (BEFORE_MATCHES_DISABLED) {
assertNull(match);
} else {
assertNotNull(match);
assertTrue(match.getOffset() == 5 && match.getLength() == 4);
}
}
public void testAfterOpeningMatch() {
IRegion match= fPairMatcher.match(fDocument, 3);
assertNotNull(match);
assertTrue(match.getOffset() == 2 && match.getLength() == 10);
match= fPairMatcher.match(fDocument, 6);
assertNotNull(match);
assertTrue(match.getOffset() == 5 && match.getLength() == 4);
}
public void testBeforeClosingMatch() {
IRegion match= fPairMatcher.match(fDocument, 11);
if (BEFORE_MATCHES_DISABLED) {
assertNull(match);
} else {
assertNotNull(match);
assertTrue(match.getOffset() == 2 && match.getLength() == 10);
}
match= fPairMatcher.match(fDocument, 8);
if (BEFORE_MATCHES_DISABLED) {
assertNull(match);
} else {
assertNotNull(match);
assertTrue(match.getOffset() == 5 && match.getLength() == 4);
}
}
public void testAfterClosingMatch() {
IRegion match= fPairMatcher.match(fDocument, 12);
assertNotNull(match);
assertTrue(match.getOffset() == 2 && match.getLength() == 10);
match= fPairMatcher.match(fDocument, 9);
assertNotNull(match);
assertTrue(match.getOffset() == 5 && match.getLength() == 4);
}
public void testBeforeClosingMatchWithNL() {
fDocument.set("x(y\ny)x");
IRegion match= fPairMatcher.match(fDocument, 5);
if (BEFORE_MATCHES_DISABLED) {
assertNull(match);
} else {
assertNotNull(match);
assertTrue(match.getOffset() == 1 && match.getLength() == 5);
}
}
public void testAfterClosingMatchWithNL() {
fDocument.set("x(y\ny)x");
IRegion match= fPairMatcher.match(fDocument, 6);
assertNotNull(match);
assertTrue(match.getOffset() == 1 && match.getLength() == 5);
}
public void testBeforeClosingMatchWithNLAndSingleLineComment() {
fDocument.set("x\nx(y\nx //(x\ny)x");
IRegion match= fPairMatcher.match(fDocument, 14);
if (BEFORE_MATCHES_DISABLED) {
assertNull(match);
} else {
assertNotNull(match);
assertTrue(match.getOffset() == 3 && match.getLength() == 12);
}
}
public void testAfterClosingMatchWithNLAndSingleLineComment() {
fDocument.set("x\nx(y\nx //(x\ny)x");
IRegion match= fPairMatcher.match(fDocument, 15);
assertNotNull(match);
assertTrue(match.getOffset() == 3 && match.getLength() == 12);
}
public void testAngleBracketsAsOperators() {
fDocument.set("void f(){ \n\tif (x<y);\n\twhile(x>y)\n\t\tx << 2; y >> 1;\n}");
int idx= fDocument.get().indexOf('<', 0);
while (idx >= 0) {
IRegion match= fPairMatcher.match(fDocument, idx + 1);
assertNull(match);
idx= fDocument.get().indexOf('<', idx + 1);
}
idx= fDocument.get().indexOf('>', 0);
while (idx >= 0) {
IRegion match= fPairMatcher.match(fDocument, idx + 1);
assertNull(match);
idx= fDocument.get().indexOf('>', idx + 1);
}
}
public void testAngleBracketsAsPairs() {
fDocument.set("template < class X > class A {};}");
int idx= fDocument.get().indexOf('<', 0);
IRegion match= fPairMatcher.match(fDocument, idx + 1);
assertNotNull(match);
int otherIdx= fDocument.get().indexOf('>');
assertEquals(otherIdx, match.getOffset() + match.getLength() - 1);
match= fPairMatcher.match(fDocument, otherIdx + 1);
assertNotNull(match);
assertEquals(idx, match.getOffset());
}
public void testAngleBracketsAsPairs2() {
fDocument.set("ConstTemplate c<5>;");
int idx= fDocument.get().indexOf('<', 0);
IRegion match= fPairMatcher.match(fDocument, idx + 1);
assertNotNull(match);
int otherIdx= fDocument.get().indexOf('>');
assertEquals(otherIdx, match.getOffset() + match.getLength() - 1);
match= fPairMatcher.match(fDocument, otherIdx + 1);
assertNotNull(match);
assertEquals(idx, match.getOffset());
}
public void testAngleBracketsAsPairsNested() {
fDocument.set("OtherTemplate nested<map<int,int>,Y>;");
int idx= fDocument.get().indexOf('<', 0);
IRegion match= fPairMatcher.match(fDocument, idx + 1);
assertNotNull(match);
int otherIdx= fDocument.get().lastIndexOf('>');
assertEquals(otherIdx, match.getOffset() + match.getLength() - 1);
match= fPairMatcher.match(fDocument, otherIdx + 1);
assertNotNull(match);
assertEquals(idx, match.getOffset());
idx= fDocument.get().indexOf('<', idx+1);
match= fPairMatcher.match(fDocument, idx + 1);
assertNotNull(match);
otherIdx= fDocument.get().indexOf('>', idx + 1);
assertEquals(otherIdx, match.getOffset() + match.getLength() - 1);
}
public void testAngleBracketsAsPairsMultiline() {
fDocument.set("OtherTemplate nested<\n\tmap<int,int>,Y\n>;");
int idx= fDocument.get().indexOf('<', 0);
IRegion match= fPairMatcher.match(fDocument, idx + 1);
assertNotNull(match);
int otherIdx= fDocument.get().lastIndexOf('>');
assertEquals(otherIdx, match.getOffset() + match.getLength() - 1);
match= fPairMatcher.match(fDocument, otherIdx + 1);
assertNotNull(match);
assertEquals(idx, match.getOffset());
idx= fDocument.get().indexOf('<', idx+1);
match= fPairMatcher.match(fDocument, idx + 1);
assertNotNull(match);
otherIdx= fDocument.get().indexOf('>', idx + 1);
assertEquals(otherIdx, match.getOffset() + match.getLength() - 1);
}
public void testDoubleClosingAngleBrackets_Bug335702() {
fDocument.set("list<list<int>> a;");
int idx= fDocument.get().indexOf('<', 0);
IRegion match= fPairMatcher.match(fDocument, idx + 1);
assertNotNull(match);
int otherIdx= fDocument.get().lastIndexOf('>');
assertEquals(otherIdx, match.getOffset() + match.getLength() - 1);
match= fPairMatcher.match(fDocument, otherIdx + 1);
assertNotNull(match);
assertEquals(idx, match.getOffset());
idx= fDocument.get().indexOf('<', idx+1);
match= fPairMatcher.match(fDocument, idx + 1);
assertNotNull(match);
otherIdx= fDocument.get().indexOf('>', idx + 1);
assertEquals(otherIdx, match.getOffset() + match.getLength() - 1);
}
}