package org.apache.struts2.util;
import org.junit.Test;
import static org.junit.Assert.*;
public class URLDecoderUtilTest {
@Test
public void testURLDecodeStringInvalid() {
// %n rather than %nn should throw an IAE according to the Javadoc
Exception exception = null;
try {
URLDecoderUtil.decode("%5xxxxx", "ISO-8859-1");
} catch (Exception e) {
exception = e;
}
assertTrue(exception instanceof IllegalArgumentException);
// Edge case trying to trigger ArrayIndexOutOfBoundsException
exception = null;
try {
URLDecoderUtil.decode("%5", "ISO-8859-1");
} catch (Exception e) {
exception = e;
}
assertTrue(exception instanceof IllegalArgumentException);
}
@Test
public void testURLDecodeStringValidIso88591Start() {
String result = URLDecoderUtil.decode("%41xxxx", "ISO-8859-1");
assertEquals("Axxxx", result);
}
@Test
public void testURLDecodeStringValidIso88591Middle() {
String result = URLDecoderUtil.decode("xx%41xx", "ISO-8859-1");
assertEquals("xxAxx", result);
}
@Test
public void testURLDecodeStringValidIso88591End() {
String result = URLDecoderUtil.decode("xxxx%41", "ISO-8859-1");
assertEquals("xxxxA", result);
}
@Test
public void testURLDecodeStringValidUtf8Start() {
String result = URLDecoderUtil.decode("%c3%aaxxxx", "UTF-8");
assertEquals("\u00eaxxxx", result);
}
@Test
public void testURLDecodeStringValidUtf8Middle() {
String result = URLDecoderUtil.decode("xx%c3%aaxx", "UTF-8");
assertEquals("xx\u00eaxx", result);
}
@Test
public void testURLDecodeStringValidUtf8End() {
String result = URLDecoderUtil.decode("xxxx%c3%aa", "UTF-8");
assertEquals("xxxx\u00ea", result);
}
@Test
public void testURLDecodePlusCharAsSpace() {
String result = URLDecoderUtil.decode("a+b", "UTF-8", true);
assertEquals("a b", result);
}
}