222 lines
7.8 KiB
Java
222 lines
7.8 KiB
Java
/*
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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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import org.testng.annotations.DataProvider;
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import org.testng.annotations.Test;
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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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import static org.testng.Assert.assertEquals;
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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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@Test
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public class SpliteratorLateBindingTest extends SpliteratorLateBindingFailFastHelper {
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static Object[][] spliteratorDataProvider;
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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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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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// Collections
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db.addList(ArrayList::new);
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db.addList(LinkedList::new);
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db.addList(Vector::new);
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db.addList(AbstractRandomAccessListImpl::new);
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db.addCollection(HashSet::new);
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db.addCollection(LinkedHashSet::new);
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db.addCollection(TreeSet::new);
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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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db.addCollection(PriorityQueue::new);
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db.addCollection(ArrayDeque::new);
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// Maps
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db.addMap(HashMap::new);
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db.addMap(LinkedHashMap::new);
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db.addMap(IdentityHashMap::new);
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db.addMap(WeakHashMap::new);
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// @@@ Descending maps etc
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db.addMap(TreeMap::new);
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// BitSet
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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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// CharSequence
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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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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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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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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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return spliteratorDataProvider = data.toArray(new Object[0][]);
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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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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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@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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source.update();
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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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@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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@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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s.characteristics();
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source.update();
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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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}
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