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//
// ========================================================================
// Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.util;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Assert;
import org.junit.Test;
import java.nio.charset.StandardCharsets;
public class Utf8StringBuilderTest
{
@Test
public void testFastFail_1() throws Exception
{
byte[] part1 = TypeUtil.fromHexString("cebae1bdb9cf83cebcceb5");
byte[] part2 = TypeUtil.fromHexString("f4908080"); // INVALID
// Here for test tracking reasons, not needed to satisfy test
// byte[] part3 = TypeUtil.fromHexString("656469746564");
Utf8StringBuilder buffer = new Utf8StringBuilder();
// Part 1 is valid
buffer.append(part1,0,part1.length);
try
{
// Part 2 is invalid
buffer.append(part2,0,part2.length);
Assert.fail("Should have thrown a NotUtf8Exception");
}
catch (Utf8Appendable.NotUtf8Exception e)
{
// expected path
}
}
@Test
public void testFastFail_2() throws Exception
{
byte[] part1 = TypeUtil.fromHexString("cebae1bdb9cf83cebcceb5f4");
byte[] part2 = TypeUtil.fromHexString("90"); // INVALID
// Here for test search/tracking reasons, not needed to satisfy test
// byte[] part3 = TypeUtil.fromHexString("8080656469746564");
Utf8StringBuilder buffer = new Utf8StringBuilder();
// Part 1 is valid
buffer.append(part1,0,part1.length);
try
{
// Part 2 is invalid
buffer.append(part2,0,part2.length);
Assert.fail("Should have thrown a NotUtf8Exception");
}
catch (Utf8Appendable.NotUtf8Exception e)
{
// expected path
}
}
@Test
public void testUtfStringBuilder() throws Exception
{
String source = "abcd012345\n\r\u0000\u00a4\u10fb\ufffdjetty";
byte[] bytes = source.getBytes(StandardCharsets.UTF_8);
Utf8StringBuilder buffer = new Utf8StringBuilder();
for (byte aByte : bytes)
buffer.append(aByte);
assertEquals(source,buffer.toString());
assertTrue(buffer.toString().endsWith("jetty"));
}
@Test(expected = IllegalArgumentException.class)
public void testShort() throws Exception
{
String source = "abc\u10fb";
byte[] bytes = source.getBytes(StandardCharsets.UTF_8);
Utf8StringBuilder buffer = new Utf8StringBuilder();
for (int i = 0; i < bytes.length - 1; i++)
buffer.append(bytes[i]);
buffer.toString();
}
@Test
public void testLong() throws Exception
{
String source = "abcXX";
byte[] bytes = source.getBytes(StandardCharsets.UTF_8);
bytes[3] = (byte)0xc0;
bytes[4] = (byte)0x00;
Utf8StringBuilder buffer = new Utf8StringBuilder();
try
{
for (byte aByte : bytes) {
buffer.append(aByte);
}
Assert.fail("Should have resulted in an Utf8Appendable.NotUtf8Exception");
}
catch (Utf8Appendable.NotUtf8Exception e)
{
// expected path
}
assertEquals("abc\ufffd",buffer.toString());
}
@Test
public void testUTF32codes() throws Exception
{
String source = "\uD842\uDF9F";
byte[] bytes = source.getBytes(StandardCharsets.UTF_8);
String jvmcheck = new String(bytes,0,bytes.length,StandardCharsets.UTF_8);
assertEquals(source,jvmcheck);
Utf8StringBuilder buffer = new Utf8StringBuilder();
buffer.append(bytes,0,bytes.length);
String result = buffer.toString();
assertEquals(source,result);
}
}
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