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/* |
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* Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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|
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import org.testng.annotations.DataProvider; |
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import org.testng.annotations.Test; |
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|
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import java.nio.CharBuffer; |
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import java.util.ArrayDeque; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.BitSet; |
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import java.util.HashMap; |
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import java.util.HashSet; |
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import java.util.IdentityHashMap; |
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import java.util.LinkedHashMap; |
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import java.util.LinkedHashSet; |
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import java.util.LinkedList; |
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import java.util.List; |
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import java.util.PriorityQueue; |
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import java.util.Set; |
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import java.util.Spliterator; |
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import java.util.Stack; |
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import java.util.TreeMap; |
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import java.util.TreeSet; |
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import java.util.Vector; |
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import java.util.WeakHashMap; |
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import java.util.function.Function; |
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import java.util.function.Supplier; |
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import java.util.stream.Stream; |
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|
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import static org.testng.Assert.assertEquals; |
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|
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/** |
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* @test |
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* @bug 8148748 8170155 |
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* @summary Spliterator last-binding tests |
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* @run testng SpliteratorLateBindingTest |
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*/ |
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|
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@Test |
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public class SpliteratorLateBindingTest extends SpliteratorLateBindingFailFastHelper { |
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|
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static Object[][] spliteratorDataProvider; |
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|
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@DataProvider(name = "Source") |
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public static Object[][] sourceDataProvider() { |
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if (spliteratorDataProvider != null) { |
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return spliteratorDataProvider; |
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} |
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|
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List<Object[]> data = new ArrayList<>(); |
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SpliteratorDataBuilder<Integer> db = |
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new SpliteratorDataBuilder<>(data, 5, Arrays.asList(1, 2, 3, 4)); |
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|
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// Collections |
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|
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db.addList(ArrayList::new); |
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|
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db.addList(LinkedList::new); |
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|
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db.addList(Vector::new); |
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|
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db.addList(AbstractRandomAccessListImpl::new); |
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|
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db.addCollection(HashSet::new); |
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|
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db.addCollection(LinkedHashSet::new); |
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|
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db.addCollection(TreeSet::new); |
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|
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db.addCollection(c -> { |
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Stack<Integer> s = new Stack<>(); |
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s.addAll(c); |
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return s; |
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}); |
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|
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db.addCollection(PriorityQueue::new); |
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|
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db.addCollection(ArrayDeque::new); |
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|
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// Maps |
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|
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db.addMap(HashMap::new); |
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|
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db.addMap(LinkedHashMap::new); |
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|
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db.addMap(IdentityHashMap::new); |
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|
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db.addMap(WeakHashMap::new); |
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|
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// @@@ Descending maps etc |
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db.addMap(TreeMap::new); |
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|
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// BitSet |
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|
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List<Integer> bits = List.of(0, 1, 2); |
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Function<BitSet, Spliterator.OfInt> bitsSource = bs -> bs.stream().spliterator(); |
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db.add("new BitSet.stream().spliterator() ADD", |
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() -> new IntSource<>(toBitSet(bits), bitsSource, bs -> bs.set(3))); |
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db.add("new BitSet.stream().spliterator() REMOVE", |
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() -> new IntSource<>(toBitSet(bits), bitsSource, bs -> bs.clear(2))); |
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|
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// CharSequence |
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|
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Function<CharSequence, Spliterator.OfInt> charsSource = sb -> sb.chars().spliterator(); |
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Function<CharSequence, Spliterator.OfInt> pointsSource = sb -> sb.codePoints().spliterator(); |
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|
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db.add("new StringBuilder.chars().spliterator() ADD", |
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() -> new IntSource<>(new StringBuilder("ABC"), charsSource, bs -> bs.append("D"), true)); |
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db.add("new StringBuilder.chars().spliterator() REMOVE", |
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() -> new IntSource<>(new StringBuilder("ABC"), charsSource, bs -> bs.deleteCharAt(2), true)); |
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db.add("new StringBuilder.codePoints().spliterator() ADD", |
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() -> new IntSource<>(new StringBuilder("ABC"), pointsSource, bs -> bs.append("D"), true)); |
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db.add("new StringBuilder.codePoints().spliterator() REMOVE", |
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() -> new IntSource<>(new StringBuilder("ABC"), pointsSource, bs -> bs.deleteCharAt(2), true)); |
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|
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db.add("new StringBuffer.chars().spliterator() ADD", |
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() -> new IntSource<>(new StringBuffer("ABC"), charsSource, bs -> bs.append("D"), true)); |
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db.add("new StringBuffer.chars().spliterator() REMOVE", |
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() -> new IntSource<>(new StringBuffer("ABC"), charsSource, bs -> bs.deleteCharAt(2), true)); |
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db.add("new StringBuffer.codePoints().spliterator() ADD", |
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() -> new IntSource<>(new StringBuffer("ABC"), pointsSource, bs -> bs.append("D"), true)); |
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db.add("new StringBuffer.codePoints().spliterator() REMOVE", |
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() -> new IntSource<>(new StringBuffer("ABC"), pointsSource, bs -> bs.deleteCharAt(2), true)); |
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|
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db.add("CharBuffer.wrap().chars().spliterator() ADD", |
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() -> new IntSource<>(CharBuffer.wrap("ABCD").limit(3), charsSource, bs -> bs.limit(4), true)); |
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db.add("CharBuffer.wrap().chars().spliterator() REMOVE", |
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() -> new IntSource<>(CharBuffer.wrap("ABCD"), charsSource, bs -> bs.limit(3), true)); |
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db.add("CharBuffer.wrap().codePoints().spliterator() ADD", |
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() -> new IntSource<>(CharBuffer.wrap("ABCD").limit(3), pointsSource, bs -> bs.limit(4), true)); |
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db.add("CharBuffer.wrap().codePoints().spliterator() REMOVE", |
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() -> new IntSource<>(CharBuffer.wrap("ABCD"), pointsSource, bs -> bs.limit(3), true)); |
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|
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return spliteratorDataProvider = data.toArray(new Object[0][]); |
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} |
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|
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|
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@DataProvider(name = "Source.Non.Binding.Characteristics") |
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public static Object[][] sourceCharacteristicsDataProvider() { |
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return Stream.of(sourceDataProvider()).filter(tc -> { |
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@SuppressWarnings("unchecked") |
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Supplier<Source<?>> s = (Supplier<Source<?>>) tc[1]; |
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return !s.get().bindOnCharacteristics(); |
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}).toArray(Object[][]::new); |
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} |
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|
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static BitSet toBitSet(List<Integer> bits) { |
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BitSet bs = new BitSet(); |
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bits.forEach(bs::set); |
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return bs; |
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} |
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|
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|
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@Test(dataProvider = "Source") |
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public <T> void testForEach(String description, Supplier<Source<T>> ss) { |
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Source<T> source = ss.get(); |
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Spliterator<T> s = source.spliterator(); |
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|
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source.update(); |
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|
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Set<T> a = new HashSet<>(); |
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s.forEachRemaining(a::add); |
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|
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Set<T> e = new HashSet<>(); |
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source.spliterator().forEachRemaining(e::add); |
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assertEquals(a, e); |
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} |
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|
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@Test(dataProvider = "Source") |
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public <T> void testTryAdvance(String description, Supplier<Source<T>> ss) { |
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Source<T> source = ss.get(); |
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Spliterator<T> s = source.spliterator(); |
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source.update(); |
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Set<T> a = new HashSet<>(); |
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while (s.tryAdvance(a::add)) { |
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} |
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Set<T> e = new HashSet<>(); |
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source.spliterator().forEachRemaining(e::add); |
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assertEquals(a, e); |
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} |
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|
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@Test(dataProvider = "Source.Non.Binding.Characteristics") |
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public <T> void testCharacteristics(String description, Supplier<Source<T>> ss) { |
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Source<T> source = ss.get(); |
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Spliterator<T> s = source.spliterator(); |
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|
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s.characteristics(); |
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source.update(); |
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|
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Set<T> a = new HashSet<>(); |
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s.forEachRemaining(a::add); |
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Set<T> e = new HashSet<>(); |
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source.spliterator().forEachRemaining(e::add); |
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assertEquals(a, e); |
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} |
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} |
