134 lines
4.3 KiB
Java
134 lines
4.3 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.handler.codec.compression.snappy;
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import static org.junit.Assert.*;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.Unpooled;
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import io.netty.handler.codec.compression.CompressionException;
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import org.junit.Test;
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public class SnappyFramedDecoderTest {
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private final SnappyFramedDecoder decoder = new SnappyFramedDecoder();
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@Test(expected = CompressionException.class)
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public void testReservedUnskippableChunkTypeCausesError() throws Exception {
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ByteBuf in = Unpooled.wrappedBuffer(new byte[] {
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0x03, 0x01, 0x00, 0x00
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});
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decoder.decode(null, in, null);
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}
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@Test(expected = CompressionException.class)
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public void testInvalidStreamIdentifierLength() throws Exception {
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ByteBuf in = Unpooled.wrappedBuffer(new byte[] {
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-0x80, 0x05, 0x00, 'n', 'e', 't', 't', 'y'
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});
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decoder.decode(null, in, null);
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}
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@Test(expected = CompressionException.class)
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public void testInvalidStreamIdentifierValue() throws Exception {
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ByteBuf in = Unpooled.wrappedBuffer(new byte[] {
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-0x80, 0x06, 0x00, 's', 'n', 'e', 't', 't', 'y'
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});
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decoder.decode(null, in, null);
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}
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@Test(expected = CompressionException.class)
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public void testReservedSkippableBeforeStreamIdentifier() throws Exception {
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ByteBuf in = Unpooled.wrappedBuffer(new byte[] {
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-0x7f, 0x06, 0x00, 's', 'n', 'e', 't', 't', 'y'
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});
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decoder.decode(null, in, null);
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}
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@Test(expected = CompressionException.class)
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public void testUncompressedDataBeforeStreamIdentifier() throws Exception {
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ByteBuf in = Unpooled.wrappedBuffer(new byte[] {
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0x01, 0x05, 0x00, 'n', 'e', 't', 't', 'y'
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});
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decoder.decode(null, in, null);
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}
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@Test(expected = CompressionException.class)
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public void testCompressedDataBeforeStreamIdentifier() throws Exception {
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ByteBuf in = Unpooled.wrappedBuffer(new byte[] {
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0x00, 0x05, 0x00, 'n', 'e', 't', 't', 'y'
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});
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decoder.decode(null, in, null);
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}
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@Test
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public void testReservedSkippableSkipsInput() throws Exception {
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ByteBuf in = Unpooled.wrappedBuffer(new byte[] {
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-0x80, 0x06, 0x00, 0x73, 0x4e, 0x61, 0x50, 0x70, 0x59,
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-0x7f, 0x05, 0x00, 'n', 'e', 't', 't', 'y'
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});
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ByteBuf out = Unpooled.unmodifiableBuffer(Unpooled.EMPTY_BUFFER);
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decoder.decode(null, in, out);
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assertEquals(17, in.readerIndex());
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}
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@Test
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public void testUncompressedDataAppendsToOut() throws Exception {
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ByteBuf in = Unpooled.wrappedBuffer(new byte[] {
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-0x80, 0x06, 0x00, 0x73, 0x4e, 0x61, 0x50, 0x70, 0x59,
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0x01, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 'n', 'e', 't', 't', 'y'
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});
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ByteBuf out = Unpooled.buffer(5);
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decoder.decode(null, in, out);
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byte[] expected = {
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'n', 'e', 't', 't', 'y'
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};
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assertArrayEquals(expected, out.array());
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}
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@Test
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public void testCompressedDataDecodesAndAppendsToOut() throws Exception {
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ByteBuf in = Unpooled.wrappedBuffer(new byte[] {
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-0x80, 0x06, 0x00, 0x73, 0x4e, 0x61, 0x50, 0x70, 0x59,
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0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x05, // preamble length
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0x04 << 2, // literal tag + length
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0x6e, 0x65, 0x74, 0x74, 0x79 // "netty"
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});
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ByteBuf out = Unpooled.buffer(5);
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decoder.decode(null, in, out);
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byte[] expected = {
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'n', 'e', 't', 't', 'y'
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};
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assertArrayEquals(expected, out.array());
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}
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}
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