io.atomix.cluster.messaging.impl.MessageDecoderTest.java Source code

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Here is the source code for io.atomix.cluster.messaging.impl.MessageDecoderTest.java

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/*
 * Copyright 2018-present Open Networking Foundation
 *
 * 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
 *
 * 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.
 */
package io.atomix.cluster.messaging.impl;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import org.junit.Test;

import java.nio.charset.StandardCharsets;

import static org.junit.Assert.assertEquals;

/**
 * Message decoder test.
 */
public class MessageDecoderTest {

    @Test
    public void testReadStringFromHeapBuffer() throws Exception {
        String payload = "huuhaa";
        ByteBuf byteBuf = Unpooled.wrappedBuffer(payload.getBytes(StandardCharsets.UTF_8));
        try {
            assertEquals(payload, MessageDecoder.readString(byteBuf, payload.length(), StandardCharsets.UTF_8));
        } finally {
            byteBuf.release();
        }
        byte[] bytes = payload.getBytes(StandardCharsets.UTF_8);
        byteBuf = Unpooled.buffer(4 + bytes.length);
        try {
            byteBuf.writeInt(1);
            byteBuf.writeBytes(bytes);
            byteBuf.readInt();
            assertEquals(payload, MessageDecoder.readString(byteBuf, payload.length(), StandardCharsets.UTF_8));
        } finally {
            byteBuf.release();
        }
    }

    @Test
    public void testReadStringFromDirectBuffer() throws Exception {
        String payload = "huuhaa";
        ByteBuf byteBuf = Unpooled.directBuffer(payload.length())
                .writeBytes(payload.getBytes(StandardCharsets.UTF_8));
        try {
            assertEquals(payload, MessageDecoder.readString(byteBuf, payload.length(), StandardCharsets.UTF_8));
        } finally {
            byteBuf.release();
        }
    }
}