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 org.testng.Assert; 26 27import java.util.EnumSet; 28 29class TestFlagExpectedOp<T> extends FlagDeclaringOp<T> { 30 31 static class Builder<T> { 32 final int flags; 33 StreamShape shape = StreamShape.REFERENCE; 34 35 EnumSet<StreamOpFlag> known = EnumSet.noneOf(StreamOpFlag.class); 36 EnumSet<StreamOpFlag> preserve = EnumSet.noneOf(StreamOpFlag.class); 37 EnumSet<StreamOpFlag> notKnown = EnumSet.noneOf(StreamOpFlag.class); 38 39 Builder(int flags) { 40 this.flags = flags; 41 } 42 43 Builder<T> known(EnumSet<StreamOpFlag> known) { 44 this.known = known; 45 return this; 46 } 47 48 Builder<T> preserve(EnumSet<StreamOpFlag> preserve) { 49 this.preserve = preserve; 50 return this; 51 } 52 53 Builder<T> notKnown(EnumSet<StreamOpFlag> notKnown) { 54 this.notKnown = notKnown; 55 return this; 56 } 57 58 Builder<T> shape(StreamShape shape) { 59 this.shape = shape; 60 return this; 61 } 62 63 TestFlagExpectedOp<T> build() { 64 return new TestFlagExpectedOp<>(flags, known, preserve, notKnown, shape); 65 } 66 } 67 68 final EnumSet<StreamOpFlag> known; 69 final EnumSet<StreamOpFlag> preserve; 70 final EnumSet<StreamOpFlag> notKnown; 71 final StreamShape shape; 72 73 TestFlagExpectedOp(int flags, 74 EnumSet<StreamOpFlag> known, 75 EnumSet<StreamOpFlag> preserve, 76 EnumSet<StreamOpFlag> notKnown) { 77 this(flags, known, preserve, notKnown, StreamShape.REFERENCE); 78 } 79 80 TestFlagExpectedOp(int flags, 81 EnumSet<StreamOpFlag> known, 82 EnumSet<StreamOpFlag> preserve, 83 EnumSet<StreamOpFlag> notKnown, 84 StreamShape shape) { 85 super(flags); 86 this.known = known; 87 this.preserve = preserve; 88 this.notKnown = notKnown; 89 this.shape = shape; 90 } 91 92 @Override 93 public StreamShape outputShape() { 94 return shape; 95 } 96 97 @Override 98 public StreamShape inputShape() { 99 return shape; 100 } 101 102 @Override 103 @SuppressWarnings({"rawtypes", "unchecked"}) 104 public Sink<T> opWrapSink(int flags, boolean parallel, Sink upstream) { 105 assertFlags(flags); 106 return upstream; 107 } 108 109 private void assertFlags(int flags) { 110 for (StreamOpFlag f : known) { 111 Assert.assertTrue(f.isKnown(flags), 112 String.format("Flag %s is not known, but should be known.", f.toString())); 113 } 114 115 for (StreamOpFlag f : preserve) { 116 Assert.assertTrue(f.isPreserved(flags), 117 String.format("Flag %s is not preserved, but should be preserved.", f.toString())); 118 } 119 120 for (StreamOpFlag f : notKnown) { 121 Assert.assertFalse(f.isKnown(flags), 122 String.format("Flag %s is known, but should be not known.", f.toString())); 123 } 124 } 125} 126