ProtobufVarint32LengthFieldPrependerTest.java — netty Source File

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/*
 * Copyright 2015 The Netty Project
 *
 * The Netty Project 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:
 *
 *   https://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.netty.handler.codec.protobuf;

import io.netty.buffer.ByteBuf;
import io.netty.channel.embedded.EmbeddedChannel;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import static io.netty.buffer.Unpooled.*;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;

public class ProtobufVarint32LengthFieldPrependerTest {

    private EmbeddedChannel ch;

    @BeforeEach
    public void setUp() {
        ch = new EmbeddedChannel(new ProtobufVarint32LengthFieldPrepender());
    }

    @Test
    public void testSize1Varint() {
        final int size = 1;
        final int num = 10;
        assertEquals(size, ProtobufVarint32LengthFieldPrepender.computeRawVarint32Size(num));
        final byte[] buf = new byte[size + num];
        //0000 1010
        buf[0] = 0x0A;
        for (int i = size; i < num + size; ++i) {
            buf[i] = 1;
        }
        assertTrue(ch.writeOutbound(wrappedBuffer(buf, size, buf.length - size)));

        ByteBuf expected = wrappedBuffer(buf);
        ByteBuf actual = ch.readOutbound();

        assertEquals(expected, actual);
        assertFalse(ch.finish());

        expected.release();
        actual.release();
    }

    @Test
// ... (143 more lines)