/*
* This file is part of the Sejda source code
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sejda.core.support.util;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import java.util.LinkedHashSet;
import java.util.Set;
public class StringUtilsTest {
@Test
public void testNbsp() {
assertEquals("result", StringUtils.normalizeWhitespace((char) 160 + "result").trim());
assertEquals("result", StringUtils.normalizeWhitespace("result" + (char) 160).trim());
assertEquals("", StringUtils.normalizeWhitespace("" + (char) 160).trim());
assertEquals("", StringUtils.normalizeWhitespace((char) 160 + "" + (char) 160).trim());
assertEquals("Foo bar", StringUtils.normalizeWhitespace("Foo" + (char) 160 + "bar"));
}
@Test
public void asUnicodes() {
assertEquals("\\U+20\\U+E6\\U+65\\U+5EA", StringUtils.asUnicodes(" æeת"));
}
@Test
public void difference() {
Set<Character> expected = new LinkedHashSet<>();
expected.add('\uFE0F');
expected.add('\uEF0F');
assertEquals(StringUtils.difference("a\uFE0Fb\uEF0Fc", "abc"), expected);
}
}