// @(#)$Id: _ValueType_NonNegativeStrategyDecorator.java-generic,v 1.4 2005/12/06 19:54:59 chalin Exp $ // Copyright (C) 2005 Iowa State University // // This file is part of the runtime library of the Java Modeling Language. // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public License // as published by the Free Software Foundation; either version 2.1, // of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public License // along with JML; see the file LesserGPL.txt. If not, write to the Free // Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA // 02110-1301 USA. package org.jmlspecs.jmlunit.strategies; /** A decorator for strategies that filters out that filters out * negative test data. * * @author Gary T. Leavens */ // FIXME: adapt this file to non-null-by-default and remove the following modifier. /*@ nullable_by_default @*/ public class _ValueTypeCap_NonNegativeStrategyDecorator extends _ValueTypeCap_AbstractFilteringStrategyDecorator { //@ public normal_behavior //@ requires strat != null; //@ assignable rawData; //@ ensures rawData == strat; public _ValueTypeCap_NonNegativeStrategyDecorator (_ValueTypeCap_StrategyType strat) { super(strat); } // doc comment and specification inherited public /*@ pure @*/ boolean approve(_ValueType_ elem) { return !(elem < 0); } }