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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 org.apache.coyote.http2;
import org.junit.Assert;
import org.junit.Test;
/**
* Unit tests for Section 4.2 of <a href="https://tools.ietf.org/html/rfc7540">RFC 7540</a>. <br>
* The order of tests in this class is aligned with the order of the requirements in the RFC.
*/
public class TestHttp2Section_4_2 extends Http2TestBase {
@Test
public void testFrameSizeLimitsTooBig() throws Exception {
// HTTP2 upgrade
http2Connect();
// Overly large settings
// Settings have to be a multiple of six
int settingsCount = (ConnectionSettingsBase.DEFAULT_MAX_FRAME_SIZE / 6) + 1;
int size = settingsCount * 6;
byte[] settings = new byte[size + 9];
// Header
// Length
ByteUtil.setThreeBytes(settings, 0, size);
// Type
settings[3] = FrameType.SETTINGS.getIdByte();
// No flags
// Stream 0
// payload
for (int i = 0; i < settingsCount; i++) {
// Enable server push over and over again
ByteUtil.setTwoBytes(settings, (i * 6) + 9, 2);
ByteUtil.setFourBytes(settings, (i * 6) + 9 + 2, 1);
}
os.write(settings);
os.flush();
handleGoAwayResponse(1, Http2Error.FRAME_SIZE_ERROR);
}
@Test
public void testFrameTypeLimitsTooBig() throws Exception {
// HTTP2 upgrade
http2Connect();
// Overly large ping
byte[] ping = new byte[109];
// Header
// Length
ByteUtil.setThreeBytes(ping, 0, 100);
// Type
ping[3] = FrameType.PING.getIdByte();
// No flags
// Stream 0
// Empty payload
os.write(ping);
os.flush();
handleGoAwayResponse(1, Http2Error.FRAME_SIZE_ERROR);
}
@Test
public void testFrameTypeLimitsTooSmall() throws Exception {
// HTTP2 upgrade
http2Connect();
// Too small ping
byte[] ping = new byte[9];
// Header
// Length 0
// Type
ping[3] = FrameType.PING.getIdByte();
// No flags
// Stream 0
// Empty payload
os.write(ping);
os.flush();
handleGoAwayResponse(1, Http2Error.FRAME_SIZE_ERROR);
}
@Test
public void testFrameTypeLimitsStream() throws Exception {
// HTTP2 upgrade
http2Connect();
// Invalid priority
byte[] priority = new byte[9];
// Header
// Length 0
// Type
priority[3] = FrameType.PRIORITY.getIdByte();
// No flags
// Stream 3
ByteUtil.set31Bits(priority, 5, 3);
// Empty payload
os.write(priority);
os.flush();
// Read Stream reset frame
parser.readFrame();
Assert.assertTrue(output.getTrace(), output.getTrace().startsWith("3-RST-[6]"));
}
}
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