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test/org/apache/coyote/http2/TestByteUtil.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;
+
+public class TestByteUtil {
+
+    @Test
+    public void testGet31Bits() {
+        byte[] input = new byte[] { (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff };
+        int result = ByteUtil.get31Bits(input, 0);
+        Assert.assertEquals(0x7fffffff, result);
+    }
+
+
+    @Test
+    public void testGetFourBytes() {
+        byte[] input = new byte[] { (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff };
+        long result = ByteUtil.getFourBytes(input, 0);
+        Assert.assertEquals(0xffffffffL, result);
+    }
+
+}