| /* |
| * Copyright (c) 2016 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. |
| */ |
| |
| import java.util.AbstractList; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.RandomAccess; |
| import java.util.Spliterator; |
| import java.util.function.Consumer; |
| import java.util.function.Function; |
| import java.util.function.Supplier; |
| |
| class SpliteratorLateBindingFailFastHelper { |
| |
| interface Source<T> { |
| Spliterator<T> spliterator(); |
| |
| void update(); |
| |
| default boolean bindOnCharacteristics() { |
| return false; |
| } |
| } |
| |
| static class IntSource<T> implements Source<Integer> { |
| final T b; |
| final Function<? super T, Spliterator.OfInt> toSpliterator; |
| final Consumer<T> updater; |
| final boolean bindOnCharacteristics; |
| |
| public IntSource(T b, Function<? super T, Spliterator.OfInt> toSpliterator, |
| Consumer<T> updater) { |
| this(b, toSpliterator, updater, false); |
| } |
| |
| public IntSource(T b, Function<? super T, Spliterator.OfInt> toSpliterator, |
| Consumer<T> updater, boolean bindOnCharacteristics) { |
| this.b = b; |
| this.toSpliterator = toSpliterator; |
| this.updater = updater; |
| this.bindOnCharacteristics = bindOnCharacteristics; |
| } |
| |
| @Override |
| public Spliterator.OfInt spliterator() { |
| return toSpliterator.apply(b); |
| } |
| |
| @Override |
| public void update() { |
| updater.accept(b); |
| } |
| |
| @Override |
| public boolean bindOnCharacteristics() { |
| return bindOnCharacteristics; |
| } |
| } |
| |
| static class SpliteratorDataBuilder<T> { |
| final List<Object[]> data; |
| |
| final T newValue; |
| |
| final List<T> exp; |
| |
| final Map<T, T> mExp; |
| |
| SpliteratorDataBuilder(List<Object[]> data, T newValue, List<T> exp) { |
| this.data = data; |
| this.newValue = newValue; |
| this.exp = exp; |
| this.mExp = createMap(exp); |
| } |
| |
| Map<T, T> createMap(List<T> l) { |
| Map<T, T> m = new LinkedHashMap<>(); |
| for (T t : l) { |
| m.put(t, t); |
| } |
| return m; |
| } |
| |
| void add(String description, Supplier<Source<?>> s) { |
| data.add(new Object[]{description, s}); |
| } |
| |
| void addCollection(Function<Collection<T>, ? extends Collection<T>> f) { |
| class CollectionSource implements Source<T> { |
| final Collection<T> c = f.apply(exp); |
| |
| final Consumer<Collection<T>> updater; |
| |
| CollectionSource(Consumer<Collection<T>> updater) { |
| this.updater = updater; |
| } |
| |
| @Override |
| public Spliterator<T> spliterator() { |
| return c.spliterator(); |
| } |
| |
| @Override |
| public void update() { |
| updater.accept(c); |
| } |
| } |
| |
| String description = "new " + f.apply(Collections.<T>emptyList()).getClass().getName() + ".spliterator() "; |
| add(description + "ADD", () -> new CollectionSource(c -> c.add(newValue))); |
| add(description + "REMOVE", () -> new CollectionSource(c -> c.remove(c.iterator().next()))); |
| } |
| |
| void addList(Function<Collection<T>, ? extends List<T>> l) { |
| addCollection(l); |
| addCollection(l.andThen(list -> list.subList(0, list.size()))); |
| } |
| |
| void addMap(Function<Map<T, T>, ? extends Map<T, T>> mapConstructor) { |
| class MapSource<U> implements Source<U> { |
| final Map<T, T> m = mapConstructor.apply(mExp); |
| |
| final Collection<U> c; |
| |
| final Consumer<Map<T, T>> updater; |
| |
| MapSource(Function<Map<T, T>, Collection<U>> f, Consumer<Map<T, T>> updater) { |
| this.c = f.apply(m); |
| this.updater = updater; |
| } |
| |
| @Override |
| public Spliterator<U> spliterator() { |
| return c.spliterator(); |
| } |
| |
| @Override |
| public void update() { |
| updater.accept(m); |
| } |
| } |
| |
| Map<String, Consumer<Map<T, T>>> actions = new HashMap<>(); |
| actions.put("ADD", m -> m.put(newValue, newValue)); |
| actions.put("REMOVE", m -> m.remove(m.keySet().iterator().next())); |
| |
| String description = "new " + mapConstructor.apply(Collections.<T, T>emptyMap()).getClass().getName(); |
| for (Map.Entry<String, Consumer<Map<T, T>>> e : actions.entrySet()) { |
| add(description + ".keySet().spliterator() " + e.getKey(), |
| () -> new MapSource<>(m -> m.keySet(), e.getValue())); |
| add(description + ".values().spliterator() " + e.getKey(), |
| () -> new MapSource<>(m -> m.values(), e.getValue())); |
| add(description + ".entrySet().spliterator() " + e.getKey(), |
| () -> new MapSource<>(m -> m.entrySet(), e.getValue())); |
| } |
| } |
| } |
| |
| static class AbstractRandomAccessListImpl extends AbstractList<Integer> implements RandomAccess { |
| List<Integer> l; |
| |
| AbstractRandomAccessListImpl(Collection<Integer> c) { |
| this.l = new ArrayList<>(c); |
| } |
| |
| @Override |
| public boolean add(Integer integer) { |
| modCount++; |
| return l.add(integer); |
| } |
| |
| @Override |
| public Iterator<Integer> iterator() { |
| return l.iterator(); |
| } |
| |
| @Override |
| public Integer get(int index) { |
| return l.get(index); |
| } |
| |
| @Override |
| public boolean remove(Object o) { |
| modCount++; |
| return l.remove(o); |
| } |
| |
| @Override |
| public int size() { |
| return l.size(); |
| } |
| |
| @Override |
| public List<Integer> subList(int fromIndex, int toIndex) { |
| return l.subList(fromIndex, toIndex); |
| } |
| } |
| } |