1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 package org.chromium.mojo; 6 7 import java.nio.ByteBuffer; 8 import java.nio.ByteOrder; 9 import java.util.Random; 10 11 /** 12 * Utilities methods for tests. 13 */ 14 public final class TestUtils { 15 16 private static final Random RANDOM = new Random(); 17 18 /** 19 * Returns a new direct ByteBuffer of the given size with random (but reproducible) data. 20 */ 21 public static ByteBuffer newRandomBuffer(int size) { 22 byte bytes[] = new byte[size]; 23 RANDOM.setSeed(size); 24 RANDOM.nextBytes(bytes); 25 ByteBuffer data = ByteBuffer.allocateDirect(size); 26 data.order(ByteOrder.LITTLE_ENDIAN); 27 data.put(bytes); 28 data.flip(); 29 return data; 30 } 31 32 } 33
