54 lines
1.8 KiB
Java
54 lines
1.8 KiB
Java
/*
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* Copyright 2012 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.buffer;
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import org.junit.Test;
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import static org.junit.Assert.assertEquals;
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/**
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* Tests duplicated channel buffers
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*/
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public class DuplicatedByteBufTest extends AbstractByteBufTest {
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@Override
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protected ByteBuf newBuffer(int length, int maxCapacity) {
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ByteBuf wrapped = Unpooled.buffer(length, maxCapacity);
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ByteBuf buffer = new DuplicatedByteBuf(wrapped);
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assertEquals(wrapped.writerIndex(), buffer.writerIndex());
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assertEquals(wrapped.readerIndex(), buffer.readerIndex());
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return buffer;
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}
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@Test(expected = NullPointerException.class)
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public void shouldNotAllowNullInConstructor() {
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new DuplicatedByteBuf(null);
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}
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// See https://github.com/netty/netty/issues/1800
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@Test
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public void testIncreaseCapacityWrapped() {
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ByteBuf buffer = newBuffer(8);
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ByteBuf wrapped = buffer.unwrap();
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wrapped.writeByte(0);
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wrapped.readerIndex(wrapped.readerIndex() + 1);
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buffer.writerIndex(buffer.writerIndex() + 1);
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wrapped.capacity(wrapped.capacity() * 2);
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assertEquals((byte) 0, buffer.readByte());
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}
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}
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