1/* 2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23package java.util.stream; 24 25import java.util.EnumSet; 26 27public class StreamOpFlagTestHelper { 28 29 /** EnumSet containing stream flags */ 30 private static final EnumSet<StreamOpFlag> allStreamFlags; 31 32 static { 33 allStreamFlags = EnumSet.allOf(StreamOpFlag.class); 34 for (StreamOpFlag f : EnumSet.allOf(StreamOpFlag.class)) 35 if (!f.isStreamFlag()) 36 allStreamFlags.remove(f); 37 } 38 39 40 static EnumSet<StreamOpFlag> allStreamFlags() { 41 // EnumSet is mutable 42 return allStreamFlags.clone(); 43 } 44 45 public static boolean isStreamOrdered(Stream<?> s) { 46 return StreamOpFlag.ORDERED.isKnown(OpTestCase.getStreamFlags(s)); 47 } 48} 49