1 /* 2 * Copyright (c) 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 */ 23 package org.openjdk.testlib.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 import java.util.stream.*; 31 32 /** TestNG DataProvider for double-valued streams */ 33 public class DoubleStreamTestDataProvider { 34 private static final double[] to0 = new double[0]; 35 private static final double[] to1 = new double[1]; 36 private static final double[] to10 = new double[10]; 37 private static final double[] to100 = new double[100]; 38 // Android-changed: remove 0..1000 test data from data providers. 39 // private static final double[] to1000 = new double[1000]; 40 private static final double[] reversed = new double[100]; 41 private static final double[] ones = new double[100]; 42 private static final double[] twice = new double[200]; 43 private static final double[] pseudoRandom; 44 45 private static final Object[][] testData; 46 private static final Object[][] spliteratorTestData; 47 48 static { 49 // Android-changed: remove 0..1000 test data from data providers. 50 // double[][] arrays = {to0, to1, to10, to100, to1000}; 51 double[][] arrays = {to0, to1, to10, to100}; 52 for (double[] arr : arrays) { 53 for (int i = 0; i < arr.length; i++) { 54 arr[i] = i; 55 } 56 } 57 for (int i = 0; i < reversed.length; i++) { 58 reversed[i] = reversed.length - i; 59 } 60 for (int i = 0; i < ones.length; i++) { 61 ones[i] = 1; 62 } System.arraycopy(to100, 0, twice, 0, to100.length)63 System.arraycopy(to100, 0, twice, 0, to100.length); System.arraycopy(to100, 0, twice, to100.length, to100.length)64 System.arraycopy(to100, 0, twice, to100.length, to100.length); 65 pseudoRandom = new double[LambdaTestHelpers.LONG_STRING.length()]; 66 for (int i = 0; i < LambdaTestHelpers.LONG_STRING.length(); i++) { 67 pseudoRandom[i] = (double) LambdaTestHelpers.LONG_STRING.charAt(i); 68 } 69 } 70 71 static final Object[][] arrays = { 72 {"empty", to0}, 73 {"0..1", to1}, 74 {"0..10", to10}, 75 {"0..100", to100}, 76 // Android-changed: remove 0..1000 test data from data providers. 77 // {"0..1000", to1000}, 78 {"100x[1]", ones}, 79 {"2x[0..100]", twice}, 80 {"reverse 0..100", reversed}, 81 {"pseudorandom", pseudoRandom} 82 }; 83 84 static { 85 { 86 List<Object[]> list = new ArrayList<>(); 87 for (Object[] data : arrays) { 88 final Object name = data[0]; 89 final double[] doubles = (double[]) data[1]; 90 list.add(new Object[]{"array:" + name, TestData.Factory.ofArray("array:" + name, doubles)})91 list.add(new Object[]{"array:" + name, 92 TestData.Factory.ofArray("array:" + name, doubles)}); 93 94 SpinedBuffer.OfDouble isl = new SpinedBuffer.OfDouble(); 95 for (double i : doubles) { 96 isl.accept(i); 97 } list.add(new Object[]{"SpinedList:" + name, TestData.Factory.ofSpinedBuffer("SpinedList:" + name, isl)})98 list.add(new Object[]{"SpinedList:" + name, 99 TestData.Factory.ofSpinedBuffer("SpinedList:" + name, isl)}); 100 } 101 testData = list.toArray(new Object[0][]); 102 } 103 104 { 105 List<Object[]> spliterators = new ArrayList<>(); 106 for (Object[] data : arrays) { 107 final Object name = data[0]; 108 final double[] doubles = (double[]) data[1]; 109 110 SpinedBuffer.OfDouble isl = new SpinedBuffer.OfDouble(); 111 for (double i : doubles) { 112 isl.accept(i); 113 } 114 115 spliterators.add(splitDescr("Arrays.s(array):" + name, 116 () -> Arrays.spliterator(doubles))); 117 spliterators.add(splitDescr("Arrays.s(array,o,l):" + name, 118 () -> Arrays.spliterator(doubles, 0, doubles.length / 2))); 119 120 spliterators.add(splitDescr("SpinedBuffer.s():" + name, 121 () -> isl.spliterator())); 122 123 spliterators.add(splitDescr("Primitives.s(SpinedBuffer.iterator(), size):" + name, 124 () -> Spliterators.spliterator(isl.iterator(), doubles.length, 0))); 125 spliterators.add(splitDescr("Primitives.s(SpinedBuffer.iterator()):" + name, 126 () -> Spliterators.spliteratorUnknownSize(isl.iterator(), 0))); 127 // Need more! 128 } 129 spliteratorTestData = spliterators.toArray(new Object[0][]); 130 } 131 132 } 133 splitDescr(String description, Supplier<Spliterator.OfDouble> s)134 static <T> Object[] splitDescr(String description, Supplier<Spliterator.OfDouble> s) { 135 return new Object[] { description, s }; 136 } 137 138 // Return an array of ( String name, DoubleStreamTestData ) 139 @DataProvider(name = "DoubleStreamTestData") makeDoubleStreamTestData()140 public static Object[][] makeDoubleStreamTestData() { 141 return testData; 142 } 143 144 // returns an array of (String name, Supplier<PrimitiveSpliterator<Double>>) 145 @DataProvider(name = "DoubleSpliterator") spliteratorProvider()146 public static Object[][] spliteratorProvider() { 147 return spliteratorTestData; 148 } 149 } 150