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test/org/apache/coyote/http2/TestHttp2Section_4_2.java

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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);
+
+        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);
+
+        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);
+
+        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);
+
+        // Read Stream reset frame
+        parser.readFrame(true);
+
+        Assert.assertTrue(output.getTrace(),
+                output.getTrace().startsWith("3-RST-[6]"));
+    }
+}