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/*******************************************************************************
* Copyright (c) 2007, 2016 Wind River Systems, Inc. and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Anton Leherbauer (Wind River Systems) - initial API and implementation
* Sergey Prigogin (Google)
*******************************************************************************/
package org.eclipse.cdt.ui.tests.text;
import org.eclipse.cdt.internal.ui.text.CWordFinder;
import org.eclipse.cdt.ui.tests.BaseUITestCase;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import junit.framework.TestSuite;
/**
* Tests for CWordFinder.
*/
public class CWordFinderTest extends BaseUITestCase {
public static TestSuite suite() {
return suite(CWordFinderTest.class, "_");
}
@Override
protected void setUp() throws Exception {
super.setUp();
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
}
public void testBasic() {
IDocument doc = new Document(" func(int a, int b);");
IRegion region = CWordFinder.findWord(doc, 1);
assertEquals(1, region.getOffset());
assertEquals(4, region.getLength());
region = CWordFinder.findWord(doc, 4);
assertEquals(1, region.getOffset());
assertEquals(4, region.getLength());
region = CWordFinder.findWord(doc, 5);
assertEquals(1, region.getOffset());
assertEquals(4, region.getLength());
region = CWordFinder.findWord(doc, 6);
assertEquals(6, region.getOffset());
assertEquals(3, region.getLength());
region = CWordFinder.findWord(doc, 12);
assertEquals(12, region.getOffset());
assertEquals(0, region.getLength());
doc = new Document("func();");
region = CWordFinder.findWord(doc, 0);
assertEquals(0, region.getOffset());
assertEquals(4, region.getLength());
region = CWordFinder.findWord(doc, 5);
assertEquals(5, region.getOffset());
assertEquals(0, region.getLength());
}
public void testFindWord() throws BadLocationException {
IDocument doc = new Document();
StringBuilder buf = new StringBuilder();
String word = "word_0815";
for (int i = 0; i < 10; i++) {
buf.append(' ').append(word);
}
doc.set(buf.toString());
for (int i = 0; i < doc.getLength(); i++) {
IRegion wordRegion = CWordFinder.findWord(doc, i);
assertNotNull(wordRegion);
if (wordRegion.getLength() != 0) {
assertEquals(word.length(), wordRegion.getLength());
assertEquals(word, doc.get(wordRegion.getOffset(), wordRegion.getLength()));
}
}
}
public void testFindWordOnDocumentStart_Bug193461() {
IDocument doc = new Document();
doc.set("word");
for (int i = 0; i < doc.getLength(); i++) {
IRegion wordRegion = CWordFinder.findWord(doc, i);
assertNotNull(wordRegion);
assertEquals(doc.getLength(), wordRegion.getLength());
assertEquals(0, wordRegion.getOffset());
}
}
}
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