kerby-common/kerby-xdr/src/test/java/org/apache/kerby/xdr/XdrEnumeratedTest.java

/**
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 *  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,
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 *  "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
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package org.apache.kerby.xdr;

import org.apache.kerby.xdr.type.XdrEnumerated;
import org.apache.kerby.xdr.util.HexUtil;
import org.junit.Test;
import java.io.IOException;

import static org.assertj.core.api.Assertions.assertThat;

public class XdrEnumeratedTest {
    @Test
    public void testEncoding() throws IOException {
        testEncodingWith(Color.RED, "0x00 00 00 02");
        testEncodingWith(Color.YELLOW, "0x00 00 00 03");
        testEncodingWith(Color.BLUE, "0x00 00 00 05");
    }

    private void testEncodingWith(Color value, String expectedEncoding) throws IOException {
        byte[] expected = HexUtil.hex2bytesFriendly(expectedEncoding);
        XdrEnumerated aValue = new XdrEnumeratedInstance(value);

        byte[] encodingBytes = aValue.encode();
        assertThat(encodingBytes).isEqualTo(expected);
    }


    @Test
    public void testDecoding() throws IOException {
        testDecodingWith(Color.RED, "0x00 00 00 02");
        testDecodingWith(Color.YELLOW, "0x00 00 00 03");
        testDecodingWith(Color.BLUE, "0x00 00 00 05");
    }

    private void testDecodingWith(Color expectedValue, String content) throws IOException {
        XdrEnumerated decoded = new XdrEnumeratedInstance();
        decoded.decode(HexUtil.hex2bytesFriendly(content));
        assertThat(decoded.getValue()).isEqualTo(expectedValue);
    }
}