/* * 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 unittest.util import scala.util.Random import scala.math.pow class RandomArray(val len: Int, val bits: Int) { val r = new Random if (bits < 1) throw new IllegalArgumentException ("bits should be greater than 1") def any : Array[Int] = { return Array.fill(len) { r.nextInt(pow(2, bits).toInt) - pow(2, bits-1).toInt } } def positive : Array[Int] = { return Array.fill(len) { r.nextInt(pow(2, bits-1).toInt) } } def negative : Array[Int] = { return Array.fill(len) { 0 - r.nextInt(pow(2, bits-1).toInt) } } }