/*
* 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.tomcat.util.buf;
import java.nio.charset.StandardCharsets;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class TestUDecoder {
@Test
public void testURLDecodeStringInvalid() {
// %n rather than %nn should throw an IAE according to the Javadoc
Exception exception = null;
try {
UDecoder.URLDecode("%5xxxxx");
} catch (Exception e) {
exception = e;
}
assertTrue(exception instanceof IllegalArgumentException);
// Edge case trying to trigger ArrayIndexOutOfBoundsException
exception = null;
try {
UDecoder.URLDecode("%5");
} catch (Exception e) {
exception = e;
}
assertTrue(exception instanceof IllegalArgumentException);
}
@Test
public void testURLDecodeStringValidIso88591Start() {
String result = UDecoder.URLDecode("%41xxxx", StandardCharsets.ISO_8859_1);
assertEquals("Axxxx", result);
}
@Test
public void testURLDecodeStringValidIso88591Middle() {
String result = UDecoder.URLDecode("xx%41xx", StandardCharsets.ISO_8859_1);
assertEquals("xxAxx", result);
}
@Test
public void testURLDecodeStringValidIso88591End() {
String result = UDecoder.URLDecode("xxxx%41", StandardCharsets.ISO_8859_1);
assertEquals("xxxxA", result);
}
@Test
public void testURLDecodeStringValidUtf8Start() {
String result = UDecoder.URLDecode("%c3%aaxxxx", StandardCharsets.UTF_8);
assertEquals("\u00eaxxxx", result);
}
@Test
public void testURLDecodeStringValidUtf8Middle() {
String result = UDecoder.URLDecode("xx%c3%aaxx", StandardCharsets.UTF_8);
assertEquals("xx\u00eaxx", result);
}
@Test
public void testURLDecodeStringValidUtf8End() {
String result = UDecoder.URLDecode("xxxx%c3%aa", StandardCharsets.UTF_8);
assertEquals("xxxx\u00ea", result);
}
}