package org.apache.maven.surefire.util.internal;
/*
* 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.
*/
import java.nio.charset.Charset;
import junit.framework.TestCase;
/**
* @author Andreas Gudian
*/
public class StringUtilsTest
extends TestCase
{
public void testUnescapeString()
{
CharSequence inputString = createInputString();
StringBuilder escaped = new StringBuilder( inputString.length() * 5 );
int initialCapacity = escaped.capacity();
StringUtils.escapeToPrintable( escaped, inputString );
assertEquals( initialCapacity, escaped.capacity() );
StringBuilder unescaped = new StringBuilder( inputString.length() );
StringUtils.unescapeString( unescaped, escaped );
assertEquals( inputString.length(), unescaped.length() );
for ( int i = 0; i < inputString.length(); i++ )
{
if ( inputString.charAt( i ) != unescaped.charAt( i ) )
{
fail( "Input and Unescaped String are not equal at position " + i );
}
}
}
private CharSequence createInputString()
{
StringBuilder sb = new StringBuilder();
for ( int i = 0; i < Character.MAX_CODE_POINT; i++ )
{
sb.appendCodePoint( i );
}
return sb;
}
public void testUnescapeBytes()
{
byte[] input = new byte[256];
for ( int i = 0; i <= 0xFF; i++ )
{
byte b = (byte) ( 0xFF & i );
input[i] = b;
}
byte[] escaped = new byte[input.length * 3];
int escapedBytes = StringUtils.escapeBytesToPrintable( escaped, 0, input, 0, input.length );
String escapedString = new String( escaped, 0, escapedBytes );
assertEquals( escapedBytes, escapedString.length() );
java.nio.ByteBuffer unescaped = StringUtils.unescapeBytes( escapedString, Charset.defaultCharset().name() );
assertEquals( input.length, unescaped.remaining() - unescaped.position() );
for ( int i = 0; i < input.length; i++ )
{
assertEquals( "At position " + i, input[i], unescaped.get() );
}
}
}