| /* |
| * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package java.util.stream; |
| |
| import org.testng.annotations.DataProvider; |
| |
| import java.util.*; |
| import java.util.Spliterators; |
| import java.util.function.Supplier; |
| |
| /** TestNG DataProvider for int-valued streams */ |
| public class IntStreamTestDataProvider { |
| private static final int[] to0 = new int[0]; |
| private static final int[] to1 = new int[1]; |
| private static final int[] to10 = new int[10]; |
| private static final int[] to100 = new int[100]; |
| private static final int[] to1000 = new int[1000]; |
| private static final int[] reversed = new int[100]; |
| private static final int[] ones = new int[100]; |
| private static final int[] twice = new int[200]; |
| private static final int[] pseudoRandom; |
| |
| private static final Object[][] testData; |
| private static final Object[][] spliteratorTestData; |
| |
| static { |
| int[][] arrays = {to0, to1, to10, to100, to1000}; |
| for (int[] arr : arrays) { |
| for (int i = 0; i < arr.length; i++) { |
| arr[i] = i; |
| } |
| } |
| for (int i = 0; i < reversed.length; i++) { |
| reversed[i] = reversed.length - i; |
| } |
| for (int i = 0; i < ones.length; i++) { |
| ones[i] = 1; |
| } |
| System.arraycopy(to100, 0, twice, 0, to100.length); |
| System.arraycopy(to100, 0, twice, to100.length, to100.length); |
| pseudoRandom = new int[LambdaTestHelpers.LONG_STRING.length()]; |
| for (int i = 0; i < LambdaTestHelpers.LONG_STRING.length(); i++) { |
| pseudoRandom[i] = (int) LambdaTestHelpers.LONG_STRING.charAt(i); |
| } |
| } |
| |
| static final Object[][] arrays = { |
| {"empty", to0}, |
| {"0..1", to1}, |
| {"0..10", to10}, |
| {"0..100", to100}, |
| {"0..1000", to1000}, |
| {"100x[1]", ones}, |
| {"2x[0..100]", twice}, |
| {"reverse 0..100", reversed}, |
| {"pseudorandom", pseudoRandom} |
| }; |
| |
| static { |
| { |
| List<Object[]> list = new ArrayList<>(); |
| for (Object[] data : arrays) { |
| final Object name = data[0]; |
| final int[] ints = (int[]) data[1]; |
| |
| list.add(new Object[]{"array:" + |
| name, TestData.Factory.ofArray("array:" + name, ints)}); |
| |
| SpinedBuffer.OfInt isl = new SpinedBuffer.OfInt(); |
| for (int i : ints) { |
| isl.accept(i); |
| } |
| list.add(new Object[]{"SpinedList:" + name, |
| TestData.Factory.ofSpinedBuffer("SpinedList:" + name, isl)}); |
| |
| list.add(streamDataDescr("IntStream.intRange(0,l): " + ints.length, |
| () -> IntStream.range(0, ints.length))); |
| list.add(streamDataDescr("IntStream.rangeClosed(0,l): " + ints.length, |
| () -> IntStream.rangeClosed(0, ints.length))); |
| } |
| testData = list.toArray(new Object[0][]); |
| } |
| |
| { |
| List<Object[]> spliterators = new ArrayList<>(); |
| for (Object[] data : arrays) { |
| final Object name = data[0]; |
| final int[] ints = (int[]) data[1]; |
| |
| SpinedBuffer.OfInt isl = new SpinedBuffer.OfInt(); |
| for (int i : ints) { |
| isl.accept(i); |
| } |
| |
| spliterators.add(splitDescr("Arrays.s(array):" + name, |
| () -> Arrays.spliterator(ints))); |
| spliterators.add(splitDescr("Arrays.s(array,o,l):" + name, |
| () -> Arrays.spliterator(ints, 0, ints.length / 2))); |
| |
| spliterators.add(splitDescr("SpinedBuffer.s():" + name, |
| () -> isl.spliterator())); |
| |
| spliterators.add(splitDescr("Primitives.s(SpinedBuffer.iterator(), size):" + name, |
| () -> Spliterators.spliterator(isl.iterator(), ints.length, 0))); |
| spliterators.add(splitDescr("Primitives.s(SpinedBuffer.iterator()):" + name, |
| () -> Spliterators.spliteratorUnknownSize(isl.iterator(), 0))); |
| |
| spliterators.add(splitDescr("IntStream.intRange(0,l):" + name, |
| () -> IntStream.range(0, ints.length).spliterator())); |
| spliterators.add(splitDescr("IntStream.intRangeClosed(0,l):" + name, |
| () -> IntStream.rangeClosed(0, ints.length).spliterator())); |
| // Need more! |
| } |
| spliteratorTestData = spliterators.toArray(new Object[0][]); |
| } |
| |
| } |
| |
| static <T> Object[] streamDataDescr(String description, Supplier<IntStream> s) { |
| return new Object[] { description, TestData.Factory.ofIntSupplier(description, s) }; |
| } |
| |
| static <T> Object[] splitDescr(String description, Supplier<Spliterator.OfInt> s) { |
| return new Object[] { description, s }; |
| } |
| |
| // Return an array of ( String name, IntStreamTestData ) |
| @DataProvider(name = "IntStreamTestData") |
| public static Object[][] makeIntStreamTestData() { |
| return testData; |
| } |
| |
| // returns an array of (String name, Supplier<PrimitiveSpliterator<Integer>>) |
| @DataProvider(name = "IntSpliterator") |
| public static Object[][] spliteratorProvider() { |
| return spliteratorTestData; |
| } |
| } |