1 /* 2 * Copyright (c) 2013, 2016, 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 */ 23 package java.util.stream; 24 25 import org.testng.annotations.DataProvider; 26 27 import java.util.*; 28 import java.util.Spliterators; 29 import java.util.function.Supplier; 30 31 /** TestNG DataProvider for long-valued streams */ 32 public class LongStreamTestDataProvider { 33 private static final long[] to0 = new long[0]; 34 private static final long[] to1 = new long[1]; 35 private static final long[] to10 = new long[10]; 36 private static final long[] to100 = new long[100]; 37 private static final long[] to1000 = new long[1000]; 38 private static final long[] reversed = new long[100]; 39 private static final long[] ones = new long[100]; 40 private static final long[] twice = new long[200]; 41 private static final long[] pseudoRandom; 42 43 private static final Object[][] testData; 44 private static final Object[][] testSmallData; 45 private static final Object[][] spliteratorTestData; 46 47 static { 48 long[][] arrays = {to0, to1, to10, to100, to1000}; 49 for (long[] arr : arrays) { 50 for (int i = 0; i < arr.length; i++) { 51 arr[i] = i; 52 } 53 } 54 for (int i = 0; i < reversed.length; i++) { 55 reversed[i] = reversed.length - i; 56 } 57 for (int i = 0; i < ones.length; i++) { 58 ones[i] = 1; 59 } System.arraycopy(to100, 0, twice, 0, to100.length)60 System.arraycopy(to100, 0, twice, 0, to100.length); System.arraycopy(to100, 0, twice, to100.length, to100.length)61 System.arraycopy(to100, 0, twice, to100.length, to100.length); 62 pseudoRandom = new long[LambdaTestHelpers.LONG_STRING.length()]; 63 for (int i = 0; i < LambdaTestHelpers.LONG_STRING.length(); i++) { 64 pseudoRandom[i] = (long) LambdaTestHelpers.LONG_STRING.charAt(i); 65 } 66 } 67 68 static final Object[][] arrays = { 69 {"empty", to0}, 70 {"0..1", to1}, 71 {"0..10", to10}, 72 {"0..100", to100}, 73 {"0..1000", to1000}, 74 {"100x[1]", ones}, 75 {"2x[0..100]", twice}, 76 {"reverse 0..100", reversed}, 77 {"pseudorandom", pseudoRandom} 78 }; 79 80 static { 81 { 82 List<Object[]> listSmall = new ArrayList<>(); 83 List<Object[]> list1000 = new ArrayList<>(); 84 List<Object[]> list = null; 85 for (Object[] data : arrays) { 86 final Object name = data[0]; 87 final long[] longs = (long[]) data[1]; 88 89 list = longs.length >= 1000 ? list1000 : listSmall; 90 list.add(new Object[]{R + name, TestData.Factory.ofArray(R + name, longs)})91 list.add(new Object[]{"array:" + name, 92 TestData.Factory.ofArray("array:" + name, longs)}); 93 94 SpinedBuffer.OfLong isl = new SpinedBuffer.OfLong(); 95 for (long i : longs) { 96 isl.accept(i); 97 } list.add(new Object[]{R + name, TestData.Factory.ofSpinedBuffer(R + name, isl)})98 list.add(new Object[]{"SpinedList:" + name, 99 TestData.Factory.ofSpinedBuffer("SpinedList:" + name, isl)}); 100 101 list.add(streamDataDescr("LongStream.longRange(0,l): " + longs.length, 102 () -> LongStream.range(0, longs.length))); 103 list.add(streamDataDescr("LongStream.longRangeClosed(0,l): " + longs.length, 104 () -> LongStream.rangeClosed(0, longs.length))); 105 } 106 testSmallData = listSmall.toArray(new Object[0][]); 107 list1000.addAll(listSmall); 108 testData = list1000.toArray(new Object[0][]); 109 } 110 111 { 112 List<Object[]> spliterators = new ArrayList<>(); 113 for (Object[] data : arrays) { 114 final Object name = data[0]; 115 final long[] longs = (long[]) data[1]; 116 117 SpinedBuffer.OfLong isl = new SpinedBuffer.OfLong(); 118 for (long i : longs) { 119 isl.accept(i); 120 } 121 122 spliterators.add(splitDescr("Arrays.s(array):" + name, 123 () -> Arrays.spliterator(longs))); 124 spliterators.add(splitDescr("Arrays.s(array,o,l):" + name, 125 () -> Arrays.spliterator(longs, 0, longs.length / 2))); 126 127 spliterators.add(splitDescr("SpinedBuffer.s():" + name, 128 () -> isl.spliterator())); 129 130 spliterators.add(splitDescr("Primitives.s(SpinedBuffer.iterator(), size):" + name, 131 () -> Spliterators.spliterator(isl.iterator(), longs.length, 0))); 132 spliterators.add(splitDescr("Primitives.s(SpinedBuffer.iterator()):" + name, 133 () -> Spliterators.spliteratorUnknownSize(isl.iterator(), 0))); 134 135 spliterators.add(splitDescr("LongStream.longRange(0,l):" + name, 136 () -> LongStream.range(0, longs.length).spliterator())); 137 spliterators.add(splitDescr("LongStream.longRangeClosed(0,l):" + name, 138 () -> LongStream.rangeClosed(0, longs.length).spliterator())); 139 spliterators.add(splitDescr("LongStream.iterate(0,x->x<l;x->x+1):" + name, 140 () -> LongStream.iterate(0L, x -> x < longs.length, x -> x + 1L) 141 .spliterator())); 142 // Need more! 143 } 144 spliteratorTestData = spliterators.toArray(new Object[0][]); 145 } 146 147 } 148 streamDataDescr(String description, Supplier<LongStream> s)149 static <T> Object[] streamDataDescr(String description, Supplier<LongStream> s) { 150 return new Object[] { description, TestData.Factory.ofLongSupplier(description, s) }; 151 } 152 splitDescr(String description, Supplier<Spliterator.OfLong> s)153 static <T> Object[] splitDescr(String description, Supplier<Spliterator.OfLong> s) { 154 return new Object[] { description, s }; 155 } 156 157 // Return an array of ( String name, LongStreamTestData ) 158 @DataProvider(name = "LongStreamTestData") makeLongStreamTestData()159 public static Object[][] makeLongStreamTestData() { 160 return testData; 161 } 162 163 @DataProvider(name = "LongStreamTestData.small") makeSmallLongStreamTestData()164 public static Object[][] makeSmallLongStreamTestData() { 165 return testSmallData; 166 } 167 168 // returns an array of (String name, Supplier<PrimitiveSpliterator<Long>>) 169 @DataProvider(name = "LongSpliterator") spliteratorProvider()170 public static Object[][] spliteratorProvider() { 171 return spliteratorTestData; 172 } 173 } 174