BoundedByteStringTest.java

/* Copyright (c) 2011 Danish Maritime Authority.
 *
 * Licensed 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
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 * 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.
 */

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package net.maritimecloud.util;

import java.io.UnsupportedEncodingException;


/**
 * This class tests {@link BoundedBinary}, which extends {@link LiteralBinary}, by inheriting the tests from
 * {@link LiteralByteStringTest}. The only method which is strange enough that it needs to be overridden here is
 * {@link #testToString()}.
 *
 * @author carlanton@google.com (Carl Haverl)
 */
public class BoundedByteStringTest extends LiteralByteStringTest {

    @Override
    protected void setUp() throws Exception {
        classUnderTest = "BoundedBinary";
        byte[] sourceBytes = ByteStringTest.getTestBytes(2341, 11337766L);
        int from = 100;
        int to = sourceBytes.length - 100;
        stringUnderTest = Binary.copyFrom(sourceBytes).substring(from, to);
        referenceBytes = new byte[to - from];
        System.arraycopy(sourceBytes, from, referenceBytes, 0, to - from);
        expectedHashCode = 727575887;
    }

    @Override
    public void testToString() throws UnsupportedEncodingException {
        String testString = "I love unicode \u1234\u5678 characters";
        LiteralBinary unicode = new LiteralBinary(testString.getBytes(UTF_8));
        Binary chopped = unicode.substring(2, unicode.size() - 6);
        assertEquals(classUnderTest + ".substring() must have the expected type", classUnderTest,
                getActualClassName(chopped));

        String roundTripString = chopped.toString(UTF_8);
        assertEquals(classUnderTest + " unicode bytes must match", testString.substring(2, testString.length() - 6),
                roundTripString);
    }
}