121 lines
3.3 KiB
Java
121 lines
3.3 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* 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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.coyote.http2;
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import org.junit.Assert;
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import org.junit.Before;
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import org.junit.Test;
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/**
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* Unit tests for Section 5.2 of
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* <a href="https://tools.ietf.org/html/rfc7540">RFC 7540</a>.
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* <br>
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* The order of tests in this class is aligned with the order of the
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* requirements in the RFC.
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*/
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public class TestHttp2Section_5_2 extends Http2TestBase {
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/*
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* Get the connection to a point where 1k of 8k response body has been
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* read and the flow control for the stream has no capacity left.
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*/
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@Override
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@Before
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public void setUp() throws Exception {
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super.setUp();
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http2Connect();
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// This test uses small window updates that will trigger the excessive
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// overhead protection so disable it.
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http2Protocol.setOverheadWindowUpdateThreshold(0);
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// Set the default window size to 1024 bytes
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sendSettings(0, false, new SettingValue(4, 1024));
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// Wait for the ack
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parser.readFrame(true);
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output.clearTrace();
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// Headers + 8k response
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sendSimpleGetRequest(3);
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// Headers
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parser.readFrame(true);
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// First 1k of body
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parser.readFrame(true);
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output.clearTrace();
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}
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@Test
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public void testFlowControlLimits01() throws Exception {
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readBytes(20);
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clearRemainder();
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}
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@Test
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public void testFlowControlLimits02() throws Exception {
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readBytes(1);
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readBytes(1);
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readBytes(1024);
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readBytes(1);
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clearRemainder();
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}
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@Test
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public void testFlowControlLimits03() throws Exception {
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readBytes(8192,7168);
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}
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@Test
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public void testFlowControlLimits04() throws Exception {
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readBytes(7168, 7168, true);
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}
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private void readBytes(int len) throws Exception {
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readBytes(len, len);
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}
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private void readBytes(int len, int expected) throws Exception {
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readBytes(len, expected, len > expected);
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}
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private void readBytes(int len, int expected, boolean eos) throws Exception {
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sendWindowUpdate(3, len);
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parser.readFrame(true);
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String expectedTrace = "3-Body-" + expected + "\n";
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if (eos) {
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expectedTrace += "3-EndOfStream\n";
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}
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Assert.assertEquals(expectedTrace, output.getTrace());
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output.clearTrace();
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}
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private void clearRemainder() throws Exception {
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// Remainder
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sendWindowUpdate(3, 8192);
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parser.readFrame(true);
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}
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}
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