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 org.openjdk.testlib.java.util.stream; 24 25import org.testng.Assert; 26 27import java.util.EnumSet; 28import java.util.stream.*; 29 30class TestFlagExpectedOp<T> extends FlagDeclaringOp<T> { 31 32 static class Builder<T> { 33 final int flags; 34 StreamShape shape = StreamShape.REFERENCE; 35 36 EnumSet<StreamOpFlag> known = EnumSet.noneOf(StreamOpFlag.class); 37 EnumSet<StreamOpFlag> preserve = EnumSet.noneOf(StreamOpFlag.class); 38 EnumSet<StreamOpFlag> notKnown = EnumSet.noneOf(StreamOpFlag.class); 39 40 Builder(int flags) { 41 this.flags = flags; 42 } 43 44 Builder<T> known(EnumSet<StreamOpFlag> known) { 45 this.known = known; 46 return this; 47 } 48 49 Builder<T> preserve(EnumSet<StreamOpFlag> preserve) { 50 this.preserve = preserve; 51 return this; 52 } 53 54 Builder<T> notKnown(EnumSet<StreamOpFlag> notKnown) { 55 this.notKnown = notKnown; 56 return this; 57 } 58 59 Builder<T> shape(StreamShape shape) { 60 this.shape = shape; 61 return this; 62 } 63 64 TestFlagExpectedOp<T> build() { 65 return new TestFlagExpectedOp<>(flags, known, preserve, notKnown, shape); 66 } 67 } 68 69 final EnumSet<StreamOpFlag> known; 70 final EnumSet<StreamOpFlag> preserve; 71 final EnumSet<StreamOpFlag> notKnown; 72 final StreamShape shape; 73 74 TestFlagExpectedOp(int flags, 75 EnumSet<StreamOpFlag> known, 76 EnumSet<StreamOpFlag> preserve, 77 EnumSet<StreamOpFlag> notKnown) { 78 this(flags, known, preserve, notKnown, StreamShape.REFERENCE); 79 } 80 81 TestFlagExpectedOp(int flags, 82 EnumSet<StreamOpFlag> known, 83 EnumSet<StreamOpFlag> preserve, 84 EnumSet<StreamOpFlag> notKnown, 85 StreamShape shape) { 86 super(flags); 87 this.known = known; 88 this.preserve = preserve; 89 this.notKnown = notKnown; 90 this.shape = shape; 91 } 92 93 @Override 94 public StreamShape outputShape() { 95 return shape; 96 } 97 98 @Override 99 public StreamShape inputShape() { 100 return shape; 101 } 102 103 @Override 104 @SuppressWarnings({"rawtypes", "unchecked"}) 105 public Sink<T> opWrapSink(int flags, boolean parallel, Sink upstream) { 106 assertFlags(flags); 107 return upstream; 108 } 109 110 private void assertFlags(int flags) { 111 for (StreamOpFlag f : known) { 112 Assert.assertTrue(f.isKnown(flags), 113 String.format("Flag %s is not known, but should be known.", f.toString())); 114 } 115 116 for (StreamOpFlag f : preserve) { 117 Assert.assertTrue(f.isPreserved(flags), 118 String.format("Flag %s is not preserved, but should be preserved.", f.toString())); 119 } 120 121 for (StreamOpFlag f : notKnown) { 122 Assert.assertFalse(f.isKnown(flags), 123 String.format("Flag %s is known, but should be not known.", f.toString())); 124 } 125 } 126} 127