/*
* Copyright 2013 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:
*
* 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.netty.handler.codec;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.embedded.EmbeddedChannel;
import org.junit.Assert;
import org.junit.Test;
import static io.netty.util.ReferenceCountUtil.*;
public class LengthFieldBasedFrameDecoderTest {
@Test
public void testDiscardTooLongFrame1() {
ByteBuf buf = Unpooled.buffer();
buf.writeInt(32);
for (int i = 0; i < 32; i++) {
buf.writeByte(i);
}
buf.writeInt(1);
buf.writeByte('a');
EmbeddedChannel channel = new EmbeddedChannel(new LengthFieldBasedFrameDecoder(16, 0, 4));
try {
channel.writeInbound(buf);
Assert.fail();
} catch (TooLongFrameException e) {
// expected
}
Assert.assertTrue(channel.finish());
ByteBuf b = channel.readInbound();
Assert.assertEquals(5, b.readableBytes());
Assert.assertEquals(1, b.readInt());
Assert.assertEquals('a', b.readByte());
b.release();
Assert.assertNull(channel.readInbound());
channel.finish();
}
@Test
public void testDiscardTooLongFrame2() {
ByteBuf buf = releaseLater(Unpooled.buffer());
buf.writeInt(32);
for (int i = 0; i < 32; i++) {
buf.writeByte(i);
}
buf.writeInt(1);
buf.writeByte('a');
EmbeddedChannel channel = new EmbeddedChannel(new LengthFieldBasedFrameDecoder(16, 0, 4));
try {
channel.writeInbound(buf.readSlice(14).retain());
Assert.fail();
} catch (TooLongFrameException e) {
// expected
}
Assert.assertTrue(channel.writeInbound(buf.readSlice(buf.readableBytes()).retain()));
Assert.assertTrue(channel.finish());
ByteBuf b = channel.readInbound();
Assert.assertEquals(5, b.readableBytes());
Assert.assertEquals(1, b.readInt());
Assert.assertEquals('a', b.readByte());
b.release();
Assert.assertNull(channel.readInbound());
channel.finish();
}
}