| // |
| // ======================================================================== |
| // Copyright (c) 1995-2017 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.http2.frames; |
| |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Random; |
| |
| import org.eclipse.jetty.http2.generator.DataGenerator; |
| import org.eclipse.jetty.http2.generator.HeaderGenerator; |
| import org.eclipse.jetty.http2.parser.Parser; |
| import org.eclipse.jetty.io.ByteBufferPool; |
| import org.eclipse.jetty.io.MappedByteBufferPool; |
| import org.eclipse.jetty.util.BufferUtil; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class DataGenerateParseTest |
| { |
| private final byte[] smallContent = new byte[128]; |
| private final byte[] largeContent = new byte[128 * 1024]; |
| private final ByteBufferPool byteBufferPool = new MappedByteBufferPool(); |
| |
| public DataGenerateParseTest() |
| { |
| Random random = new Random(); |
| random.nextBytes(smallContent); |
| random.nextBytes(largeContent); |
| } |
| |
| @Test |
| public void testGenerateParseNoContentNoPadding() |
| { |
| testGenerateParseContent(BufferUtil.EMPTY_BUFFER); |
| } |
| |
| @Test |
| public void testGenerateParseSmallContentNoPadding() |
| { |
| testGenerateParseContent(ByteBuffer.wrap(smallContent)); |
| } |
| |
| private void testGenerateParseContent(ByteBuffer content) |
| { |
| List<DataFrame> frames = testGenerateParse(content); |
| Assert.assertEquals(1, frames.size()); |
| DataFrame frame = frames.get(0); |
| Assert.assertTrue(frame.getStreamId() != 0); |
| Assert.assertTrue(frame.isEndStream()); |
| Assert.assertEquals(content, frame.getData()); |
| } |
| |
| @Test |
| public void testGenerateParseLargeContent() |
| { |
| ByteBuffer content = ByteBuffer.wrap(largeContent); |
| List<DataFrame> frames = testGenerateParse(content); |
| Assert.assertEquals(8, frames.size()); |
| ByteBuffer aggregate = ByteBuffer.allocate(content.remaining()); |
| for (int i = 1; i <= frames.size(); ++i) |
| { |
| DataFrame frame = frames.get(i - 1); |
| Assert.assertTrue(frame.getStreamId() != 0); |
| Assert.assertEquals(i == frames.size(), frame.isEndStream()); |
| aggregate.put(frame.getData()); |
| } |
| aggregate.flip(); |
| Assert.assertEquals(content, aggregate); |
| } |
| |
| private List<DataFrame> testGenerateParse(ByteBuffer data) |
| { |
| DataGenerator generator = new DataGenerator(new HeaderGenerator()); |
| |
| final List<DataFrame> frames = new ArrayList<>(); |
| Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter() |
| { |
| @Override |
| public void onData(DataFrame frame) |
| { |
| frames.add(frame); |
| } |
| }, 4096, 8192); |
| |
| // Iterate a few times to be sure generator and parser are properly reset. |
| for (int i = 0; i < 2; ++i) |
| { |
| ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool); |
| generator.generateData(lease, 13, data.slice(), true, data.remaining()); |
| |
| frames.clear(); |
| for (ByteBuffer buffer : lease.getByteBuffers()) |
| { |
| parser.parse(buffer); |
| } |
| } |
| |
| return frames; |
| } |
| |
| @Test |
| public void testGenerateParseOneByteAtATime() |
| { |
| DataGenerator generator = new DataGenerator(new HeaderGenerator()); |
| |
| final List<DataFrame> frames = new ArrayList<>(); |
| Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter() |
| { |
| @Override |
| public void onData(DataFrame frame) |
| { |
| frames.add(frame); |
| } |
| }, 4096, 8192); |
| |
| // Iterate a few times to be sure generator and parser are properly reset. |
| for (int i = 0; i < 2; ++i) |
| { |
| ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool); |
| ByteBuffer data = ByteBuffer.wrap(largeContent); |
| generator.generateData(lease, 13, data.slice(), true, data.remaining()); |
| |
| frames.clear(); |
| for (ByteBuffer buffer : lease.getByteBuffers()) |
| { |
| while (buffer.hasRemaining()) |
| { |
| parser.parse(ByteBuffer.wrap(new byte[]{buffer.get()})); |
| } |
| } |
| |
| Assert.assertEquals(largeContent.length, frames.size()); |
| } |
| } |
| } |