org.eclipse.linuxtools.ctf.core.tests/src/org/eclipse/linuxtools/ctf/core/tests/io/Util.java

   1 /*******************************************************************************
   2  * Copyright (c) 2014 Ericsson
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *     Matthew Khouzam - Initial API and implementation
  10  ******************************************************************************/
  11
  12 package org.eclipse.linuxtools.ctf.core.tests.io;
  13
  14 import java.nio.ByteBuffer;
  15
  16 import org.eclipse.jdt.annotation.NonNull;
  17
  18 /**
  19  * Helpers for the tests
  20  *
  21  * @author Matthew Khouzam
  22  */
  23 public final class Util {
  24
  25     private Util() {
  26     }
  27
  28     /**
  29      * Wrapper to make sure the bytebuffer is not null
  30      *
  31      * @param buffer
  32      *            a potentially null byte buffer
  33      * @return a non-null byte buffer or an illegal state exception
  34      */
  35     @NonNull
  36     public static ByteBuffer testMemory(ByteBuffer buffer) {
  37         if (buffer == null) {
  38             throw new IllegalStateException("Failed to alloc");
  39         }
  40         return buffer;
  41     }
  42 }