--- a/jdk/test/java/util/stream/bootlib/java.base/java/util/stream/SpliteratorTestHelper.java Thu Feb 16 14:47:39 2017 -0800
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,715 +0,0 @@
-/*
- * 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.Test;
-
-import java.util.ArrayDeque;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Deque;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Spliterator;
-import java.util.function.*;
-
-import static org.testng.Assert.*;
-import static org.testng.Assert.assertEquals;
-import static org.testng.Assert.fail;
-
-/**
- * Assertion methods for spliterators, to be called from other tests
- */
-public class SpliteratorTestHelper {
-
- public interface ContentAsserter<T> {
- void assertContents(Collection<T> actual, Collection<T> expected, boolean isOrdered);
- }
-
- private static ContentAsserter<Object> DEFAULT_CONTENT_ASSERTER
- = SpliteratorTestHelper::assertContents;
-
- @SuppressWarnings("unchecked")
- private static <T> ContentAsserter<T> defaultContentAsserter() {
- return (ContentAsserter<T>) DEFAULT_CONTENT_ASSERTER;
- }
-
- public static void testSpliterator(Supplier<Spliterator<Integer>> supplier) {
- testSpliterator(supplier, defaultContentAsserter());
- }
-
- public static void testSpliterator(Supplier<Spliterator<Integer>> supplier,
- ContentAsserter<Integer> asserter) {
- testSpliterator(supplier, (Consumer<Integer> b) -> b, asserter);
- }
-
- public static void testIntSpliterator(Supplier<Spliterator.OfInt> supplier) {
- testIntSpliterator(supplier, defaultContentAsserter());
- }
-
- public static void testIntSpliterator(Supplier<Spliterator.OfInt> supplier,
- ContentAsserter<Integer> asserter) {
- class BoxingAdapter implements Consumer<Integer>, IntConsumer {
- private final Consumer<Integer> b;
-
- BoxingAdapter(Consumer<Integer> b) {
- this.b = b;
- }
-
- @Override
- public void accept(Integer value) {
- throw new IllegalStateException();
- }
-
- @Override
- public void accept(int value) {
- b.accept(value);
- }
- }
-
- testSpliterator(supplier, BoxingAdapter::new, asserter);
- }
-
- public static void testLongSpliterator(Supplier<Spliterator.OfLong> supplier) {
- testLongSpliterator(supplier, defaultContentAsserter());
- }
-
- public static void testLongSpliterator(Supplier<Spliterator.OfLong> supplier,
- ContentAsserter<Long> asserter) {
- class BoxingAdapter implements Consumer<Long>, LongConsumer {
- private final Consumer<Long> b;
-
- BoxingAdapter(Consumer<Long> b) {
- this.b = b;
- }
-
- @Override
- public void accept(Long value) {
- throw new IllegalStateException();
- }
-
- @Override
- public void accept(long value) {
- b.accept(value);
- }
- }
-
- testSpliterator(supplier, BoxingAdapter::new, asserter);
- }
-
- public static void testDoubleSpliterator(Supplier<Spliterator.OfDouble> supplier) {
- testDoubleSpliterator(supplier, defaultContentAsserter());
- }
-
- public static void testDoubleSpliterator(Supplier<Spliterator.OfDouble> supplier,
- ContentAsserter<Double> asserter) {
- class BoxingAdapter implements Consumer<Double>, DoubleConsumer {
- private final Consumer<Double> b;
-
- BoxingAdapter(Consumer<Double> b) {
- this.b = b;
- }
-
- @Override
- public void accept(Double value) {
- throw new IllegalStateException();
- }
-
- @Override
- public void accept(double value) {
- b.accept(value);
- }
- }
-
- testSpliterator(supplier, BoxingAdapter::new, asserter);
- }
-
- static <T, S extends Spliterator<T>> void testSpliterator(Supplier<S> supplier,
- UnaryOperator<Consumer<T>> boxingAdapter,
- ContentAsserter<T> asserter) {
- ArrayList<T> fromForEach = new ArrayList<>();
- Spliterator<T> spliterator = supplier.get();
- Consumer<T> addToFromForEach = boxingAdapter.apply(fromForEach::add);
- spliterator.forEachRemaining(addToFromForEach);
-
- Collection<T> exp = Collections.unmodifiableList(fromForEach);
-
- testNullPointerException(supplier);
- testForEach(exp, supplier, boxingAdapter, asserter);
- testTryAdvance(exp, supplier, boxingAdapter, asserter);
- testMixedTryAdvanceForEach(exp, supplier, boxingAdapter, asserter);
- testMixedTraverseAndSplit(exp, supplier, boxingAdapter, asserter);
- testSplitAfterFullTraversal(supplier, boxingAdapter);
- testSplitOnce(exp, supplier, boxingAdapter, asserter);
- testSplitSixDeep(exp, supplier, boxingAdapter, asserter);
- testSplitUntilNull(exp, supplier, boxingAdapter, asserter);
- }
-
- //
-
- private static <T, S extends Spliterator<T>> void testNullPointerException(Supplier<S> s) {
- S sp = s.get();
- // Have to check instances and use casts to avoid tripwire messages and
- // directly test the primitive methods
- if (sp instanceof Spliterator.OfInt) {
- Spliterator.OfInt psp = (Spliterator.OfInt) sp;
- executeAndCatch(NullPointerException.class, () -> psp.forEachRemaining((IntConsumer) null));
- executeAndCatch(NullPointerException.class, () -> psp.tryAdvance((IntConsumer) null));
- }
- else if (sp instanceof Spliterator.OfLong) {
- Spliterator.OfLong psp = (Spliterator.OfLong) sp;
- executeAndCatch(NullPointerException.class, () -> psp.forEachRemaining((LongConsumer) null));
- executeAndCatch(NullPointerException.class, () -> psp.tryAdvance((LongConsumer) null));
- }
- else if (sp instanceof Spliterator.OfDouble) {
- Spliterator.OfDouble psp = (Spliterator.OfDouble) sp;
- executeAndCatch(NullPointerException.class, () -> psp.forEachRemaining((DoubleConsumer) null));
- executeAndCatch(NullPointerException.class, () -> psp.tryAdvance((DoubleConsumer) null));
- }
- else {
- executeAndCatch(NullPointerException.class, () -> sp.forEachRemaining(null));
- executeAndCatch(NullPointerException.class, () -> sp.tryAdvance(null));
- }
- }
-
- private static <T, S extends Spliterator<T>> void testForEach(
- Collection<T> exp,
- Supplier<S> supplier,
- UnaryOperator<Consumer<T>> boxingAdapter,
- ContentAsserter<T> asserter) {
- S spliterator = supplier.get();
- long sizeIfKnown = spliterator.getExactSizeIfKnown();
- boolean isOrdered = spliterator.hasCharacteristics(Spliterator.ORDERED);
-
- ArrayList<T> fromForEach = new ArrayList<>();
- spliterator = supplier.get();
- Consumer<T> addToFromForEach = boxingAdapter.apply(fromForEach::add);
- spliterator.forEachRemaining(addToFromForEach);
-
- // Assert that forEach now produces no elements
- spliterator.forEachRemaining(boxingAdapter.apply(
- e -> fail("Spliterator.forEach produced an element after spliterator exhausted: " + e)));
- // Assert that tryAdvance now produce no elements
- spliterator.tryAdvance(boxingAdapter.apply(
- e -> fail("Spliterator.tryAdvance produced an element after spliterator exhausted: " + e)));
-
- // assert that size, tryAdvance, and forEach are consistent
- if (sizeIfKnown >= 0) {
- assertEquals(sizeIfKnown, exp.size());
- }
- assertEquals(fromForEach.size(), exp.size());
-
- asserter.assertContents(fromForEach, exp, isOrdered);
- }
-
- private static <T, S extends Spliterator<T>> void testTryAdvance(
- Collection<T> exp,
- Supplier<S> supplier,
- UnaryOperator<Consumer<T>> boxingAdapter,
- ContentAsserter<T> asserter) {
- S spliterator = supplier.get();
- long sizeIfKnown = spliterator.getExactSizeIfKnown();
- boolean isOrdered = spliterator.hasCharacteristics(Spliterator.ORDERED);
-
- spliterator = supplier.get();
- ArrayList<T> fromTryAdvance = new ArrayList<>();
- Consumer<T> addToFromTryAdvance = boxingAdapter.apply(fromTryAdvance::add);
- while (spliterator.tryAdvance(addToFromTryAdvance)) { }
-
- // Assert that forEach now produces no elements
- spliterator.forEachRemaining(boxingAdapter.apply(
- e -> fail("Spliterator.forEach produced an element after spliterator exhausted: " + e)));
- // Assert that tryAdvance now produce no elements
- spliterator.tryAdvance(boxingAdapter.apply(
- e -> fail("Spliterator.tryAdvance produced an element after spliterator exhausted: " + e)));
-
- // assert that size, tryAdvance, and forEach are consistent
- if (sizeIfKnown >= 0) {
- assertEquals(sizeIfKnown, exp.size());
- }
- assertEquals(fromTryAdvance.size(), exp.size());
-
- asserter.assertContents(fromTryAdvance, exp, isOrdered);
- }
-
- private static <T, S extends Spliterator<T>> void testMixedTryAdvanceForEach(
- Collection<T> exp,
- Supplier<S> supplier,
- UnaryOperator<Consumer<T>> boxingAdapter,
- ContentAsserter<T> asserter) {
- S spliterator = supplier.get();
- long sizeIfKnown = spliterator.getExactSizeIfKnown();
- boolean isOrdered = spliterator.hasCharacteristics(Spliterator.ORDERED);
-
- // tryAdvance first few elements, then forEach rest
- ArrayList<T> dest = new ArrayList<>();
- spliterator = supplier.get();
- Consumer<T> addToDest = boxingAdapter.apply(dest::add);
- for (int i = 0; i < 10 && spliterator.tryAdvance(addToDest); i++) { }
- spliterator.forEachRemaining(addToDest);
-
- // Assert that forEach now produces no elements
- spliterator.forEachRemaining(boxingAdapter.apply(
- e -> fail("Spliterator.forEach produced an element after spliterator exhausted: " + e)));
- // Assert that tryAdvance now produce no elements
- spliterator.tryAdvance(boxingAdapter.apply(
- e -> fail("Spliterator.tryAdvance produced an element after spliterator exhausted: " + e)));
-
- if (sizeIfKnown >= 0) {
- assertEquals(sizeIfKnown, dest.size());
- }
- assertEquals(dest.size(), exp.size());
-
- asserter.assertContents(dest, exp, isOrdered);
- }
-
- private static <T, S extends Spliterator<T>> void testMixedTraverseAndSplit(
- Collection<T> exp,
- Supplier<S> supplier,
- UnaryOperator<Consumer<T>> boxingAdapter,
- ContentAsserter<T> asserter) {
- S spliterator = supplier.get();
- long sizeIfKnown = spliterator.getExactSizeIfKnown();
- boolean isOrdered = spliterator.hasCharacteristics(Spliterator.ORDERED);
-
- // tryAdvance first few elements, then forEach rest
- ArrayList<T> dest = new ArrayList<>();
- spliterator = supplier.get();
- Consumer<T> b = boxingAdapter.apply(dest::add);
-
- Spliterator<T> spl1, spl2, spl3;
- spliterator.tryAdvance(b);
- spl2 = spliterator.trySplit();
- if (spl2 != null) {
- spl2.tryAdvance(b);
- spl1 = spl2.trySplit();
- if (spl1 != null) {
- spl1.tryAdvance(b);
- spl1.forEachRemaining(b);
- }
- spl2.tryAdvance(b);
- spl2.forEachRemaining(b);
- }
- spliterator.tryAdvance(b);
- spl3 = spliterator.trySplit();
- if (spl3 != null) {
- spl3.tryAdvance(b);
- spl3.forEachRemaining(b);
- }
- spliterator.tryAdvance(b);
- spliterator.forEachRemaining(b);
-
- if (sizeIfKnown >= 0) {
- assertEquals(sizeIfKnown, dest.size());
- }
- assertEquals(dest.size(), exp.size());
-
- asserter.assertContents(dest, exp, isOrdered);
- }
-
- private static <T, S extends Spliterator<T>> void testSplitAfterFullTraversal(
- Supplier<S> supplier,
- UnaryOperator<Consumer<T>> boxingAdapter) {
- // Full traversal using tryAdvance
- Spliterator<T> spliterator = supplier.get();
- while (spliterator.tryAdvance(boxingAdapter.apply(e -> { }))) { }
- Spliterator<T> split = spliterator.trySplit();
- assertNull(split);
-
- // Full traversal using forEach
- spliterator = supplier.get();
- spliterator.forEachRemaining(boxingAdapter.apply(e -> { }));
- split = spliterator.trySplit();
- assertNull(split);
-
- // Full traversal using tryAdvance then forEach
- spliterator = supplier.get();
- spliterator.tryAdvance(boxingAdapter.apply(e -> { }));
- spliterator.forEachRemaining(boxingAdapter.apply(e -> { }));
- split = spliterator.trySplit();
- assertNull(split);
- }
-
- private static <T, S extends Spliterator<T>> void testSplitOnce(
- Collection<T> exp,
- Supplier<S> supplier,
- UnaryOperator<Consumer<T>> boxingAdapter,
- ContentAsserter<T> asserter) {
- S spliterator = supplier.get();
- long sizeIfKnown = spliterator.getExactSizeIfKnown();
- boolean isOrdered = spliterator.hasCharacteristics(Spliterator.ORDERED);
-
- ArrayList<T> fromSplit = new ArrayList<>();
- Spliterator<T> s1 = supplier.get();
- Spliterator<T> s2 = s1.trySplit();
- long s1Size = s1.getExactSizeIfKnown();
- long s2Size = (s2 != null) ? s2.getExactSizeIfKnown() : 0;
- Consumer<T> addToFromSplit = boxingAdapter.apply(fromSplit::add);
- if (s2 != null)
- s2.forEachRemaining(addToFromSplit);
- s1.forEachRemaining(addToFromSplit);
-
- if (sizeIfKnown >= 0) {
- assertEquals(sizeIfKnown, fromSplit.size());
- if (s1Size >= 0 && s2Size >= 0)
- assertEquals(sizeIfKnown, s1Size + s2Size);
- }
-
- asserter.assertContents(fromSplit, exp, isOrdered);
- }
-
- private static <T, S extends Spliterator<T>> void testSplitSixDeep(
- Collection<T> exp,
- Supplier<S> supplier,
- UnaryOperator<Consumer<T>> boxingAdapter,
- ContentAsserter<T> asserter) {
- S spliterator = supplier.get();
- boolean isOrdered = spliterator.hasCharacteristics(Spliterator.ORDERED);
-
- for (int depth=0; depth < 6; depth++) {
- List<T> dest = new ArrayList<>();
- spliterator = supplier.get();
-
- assertSpliterator(spliterator);
-
- // verify splitting with forEach
- splitSixDeepVisitor(depth, 0, dest, spliterator, boxingAdapter, spliterator.characteristics(), false);
- asserter.assertContents(dest, exp, isOrdered);
-
- // verify splitting with tryAdvance
- dest.clear();
- spliterator = supplier.get();
- splitSixDeepVisitor(depth, 0, dest, spliterator, boxingAdapter, spliterator.characteristics(), true);
- asserter.assertContents(dest, exp, isOrdered);
- }
- }
-
- private static <T, S extends Spliterator<T>>
- void splitSixDeepVisitor(int depth, int curLevel,
- List<T> dest, S spliterator, UnaryOperator<Consumer<T>> boxingAdapter,
- int rootCharacteristics, boolean useTryAdvance) {
- if (curLevel < depth) {
- long beforeSize = spliterator.getExactSizeIfKnown();
- Spliterator<T> split = spliterator.trySplit();
- if (split != null) {
- assertSpliterator(split, rootCharacteristics);
- assertSpliterator(spliterator, rootCharacteristics);
-
- if ((rootCharacteristics & Spliterator.SUBSIZED) != 0 &&
- (rootCharacteristics & Spliterator.SIZED) != 0) {
- assertEquals(beforeSize, split.estimateSize() + spliterator.estimateSize());
- }
- splitSixDeepVisitor(depth, curLevel + 1, dest, split, boxingAdapter, rootCharacteristics, useTryAdvance);
- }
- splitSixDeepVisitor(depth, curLevel + 1, dest, spliterator, boxingAdapter, rootCharacteristics, useTryAdvance);
- }
- else {
- long sizeIfKnown = spliterator.getExactSizeIfKnown();
- if (useTryAdvance) {
- Consumer<T> addToDest = boxingAdapter.apply(dest::add);
- int count = 0;
- while (spliterator.tryAdvance(addToDest)) {
- ++count;
- }
-
- if (sizeIfKnown >= 0)
- assertEquals(sizeIfKnown, count);
-
- // Assert that forEach now produces no elements
- spliterator.forEachRemaining(boxingAdapter.apply(
- e -> fail("Spliterator.forEach produced an element after spliterator exhausted: " + e)));
-
- Spliterator<T> split = spliterator.trySplit();
- assertNull(split);
- }
- else {
- List<T> leafDest = new ArrayList<>();
- Consumer<T> addToLeafDest = boxingAdapter.apply(leafDest::add);
- spliterator.forEachRemaining(addToLeafDest);
-
- if (sizeIfKnown >= 0)
- assertEquals(sizeIfKnown, leafDest.size());
-
- // Assert that forEach now produces no elements
- spliterator.tryAdvance(boxingAdapter.apply(
- e -> fail("Spliterator.tryAdvance produced an element after spliterator exhausted: " + e)));
-
- Spliterator<T> split = spliterator.trySplit();
- assertNull(split);
-
- dest.addAll(leafDest);
- }
- }
- }
-
- private static <T, S extends Spliterator<T>> void testSplitUntilNull(
- Collection<T> exp,
- Supplier<S> supplier,
- UnaryOperator<Consumer<T>> boxingAdapter,
- ContentAsserter<T> asserter) {
- Spliterator<T> s = supplier.get();
- boolean isOrdered = s.hasCharacteristics(Spliterator.ORDERED);
- assertSpliterator(s);
-
- List<T> splits = new ArrayList<>();
- Consumer<T> c = boxingAdapter.apply(splits::add);
-
- testSplitUntilNull(new SplitNode<T>(c, s));
- asserter.assertContents(splits, exp, isOrdered);
- }
-
- private static class SplitNode<T> {
- // Constant for every node
- final Consumer<T> c;
- final int rootCharacteristics;
-
- final Spliterator<T> s;
-
- SplitNode(Consumer<T> c, Spliterator<T> s) {
- this(c, s.characteristics(), s);
- }
-
- private SplitNode(Consumer<T> c, int rootCharacteristics, Spliterator<T> s) {
- this.c = c;
- this.rootCharacteristics = rootCharacteristics;
- this.s = s;
- }
-
- SplitNode<T> fromSplit(Spliterator<T> split) {
- return new SplitNode<>(c, rootCharacteristics, split);
- }
- }
-
- /**
- * Set the maximum stack capacity to 0.25MB. This should be more than enough to detect a bad spliterator
- * while not unduly disrupting test infrastructure given the test data sizes that are used are small.
- * Note that j.u.c.ForkJoinPool sets the max queue size to 64M (1 << 26).
- */
- private static final int MAXIMUM_STACK_CAPACITY = 1 << 18; // 0.25MB
-
- private static <T> void testSplitUntilNull(SplitNode<T> e) {
- // Use an explicit stack to avoid a StackOverflowException when testing a Spliterator
- // that when repeatedly split produces a right-balanced (and maybe degenerate) tree, or
- // for a spliterator that is badly behaved.
- Deque<SplitNode<T>> stack = new ArrayDeque<>();
- stack.push(e);
-
- int iteration = 0;
- while (!stack.isEmpty()) {
- assertTrue(iteration++ < MAXIMUM_STACK_CAPACITY, "Exceeded maximum stack modification count of 1 << 18");
-
- e = stack.pop();
- Spliterator<T> parentAndRightSplit = e.s;
-
- long parentEstimateSize = parentAndRightSplit.estimateSize();
- assertTrue(parentEstimateSize >= 0,
- String.format("Split size estimate %d < 0", parentEstimateSize));
-
- long parentSize = parentAndRightSplit.getExactSizeIfKnown();
- Spliterator<T> leftSplit = parentAndRightSplit.trySplit();
- if (leftSplit == null) {
- parentAndRightSplit.forEachRemaining(e.c);
- continue;
- }
-
- assertSpliterator(leftSplit, e.rootCharacteristics);
- assertSpliterator(parentAndRightSplit, e.rootCharacteristics);
-
- if (parentEstimateSize != Long.MAX_VALUE && leftSplit.estimateSize() > 0
- && parentAndRightSplit.estimateSize() > 0) {
- assertTrue(leftSplit.estimateSize() < parentEstimateSize,
- String.format("Left split size estimate %d >= parent split size estimate %d",
- leftSplit.estimateSize(), parentEstimateSize));
- assertTrue(parentAndRightSplit.estimateSize() < parentEstimateSize,
- String.format("Right split size estimate %d >= parent split size estimate %d",
- leftSplit.estimateSize(), parentEstimateSize));
- }
- else {
- assertTrue(leftSplit.estimateSize() <= parentEstimateSize,
- String.format("Left split size estimate %d > parent split size estimate %d",
- leftSplit.estimateSize(), parentEstimateSize));
- assertTrue(parentAndRightSplit.estimateSize() <= parentEstimateSize,
- String.format("Right split size estimate %d > parent split size estimate %d",
- leftSplit.estimateSize(), parentEstimateSize));
- }
-
- long leftSize = leftSplit.getExactSizeIfKnown();
- long rightSize = parentAndRightSplit.getExactSizeIfKnown();
- if (parentSize >= 0 && leftSize >= 0 && rightSize >= 0)
- assertEquals(parentSize, leftSize + rightSize,
- String.format("exact left split size %d + exact right split size %d != parent exact split size %d",
- leftSize, rightSize, parentSize));
-
- // Add right side to stack first so left side is popped off first
- stack.push(e.fromSplit(parentAndRightSplit));
- stack.push(e.fromSplit(leftSplit));
- }
- }
-
- private static void assertSpliterator(Spliterator<?> s, int rootCharacteristics) {
- if ((rootCharacteristics & Spliterator.SUBSIZED) != 0) {
- assertTrue(s.hasCharacteristics(Spliterator.SUBSIZED),
- "Child split is not SUBSIZED when root split is SUBSIZED");
- }
- assertSpliterator(s);
- }
-
- private static void assertSpliterator(Spliterator<?> s) {
- if (s.hasCharacteristics(Spliterator.SUBSIZED)) {
- assertTrue(s.hasCharacteristics(Spliterator.SIZED));
- }
- if (s.hasCharacteristics(Spliterator.SIZED)) {
- assertTrue(s.estimateSize() != Long.MAX_VALUE);
- assertTrue(s.getExactSizeIfKnown() >= 0);
- }
- try {
- s.getComparator();
- assertTrue(s.hasCharacteristics(Spliterator.SORTED));
- } catch (IllegalStateException e) {
- assertFalse(s.hasCharacteristics(Spliterator.SORTED));
- }
- }
-
- private static<T> void assertContents(Collection<T> actual, Collection<T> expected, boolean isOrdered) {
- if (isOrdered) {
- assertEquals(actual, expected);
- }
- else {
- LambdaTestHelpers.assertContentsUnordered(actual, expected);
- }
- }
-
- private static void executeAndCatch(Class<? extends Exception> expected, Runnable r) {
- Exception caught = null;
- try {
- r.run();
- }
- catch (Exception e) {
- caught = e;
- }
-
- assertNotNull(caught,
- String.format("No Exception was thrown, expected an Exception of %s to be thrown",
- expected.getName()));
- assertTrue(expected.isInstance(caught),
- String.format("Exception thrown %s not an instance of %s",
- caught.getClass().getName(), expected.getName()));
- }
-
- static<U> void mixedTraverseAndSplit(Consumer<U> b, Spliterator<U> splTop) {
- Spliterator<U> spl1, spl2, spl3;
- splTop.tryAdvance(b);
- spl2 = splTop.trySplit();
- if (spl2 != null) {
- spl2.tryAdvance(b);
- spl1 = spl2.trySplit();
- if (spl1 != null) {
- spl1.tryAdvance(b);
- spl1.forEachRemaining(b);
- }
- spl2.tryAdvance(b);
- spl2.forEachRemaining(b);
- }
- splTop.tryAdvance(b);
- spl3 = splTop.trySplit();
- if (spl3 != null) {
- spl3.tryAdvance(b);
- spl3.forEachRemaining(b);
- }
- splTop.tryAdvance(b);
- splTop.forEachRemaining(b);
- }
-
- static void mixedTraverseAndSplit(IntConsumer b, Spliterator.OfInt splTop) {
- Spliterator.OfInt spl1, spl2, spl3;
- splTop.tryAdvance(b);
- spl2 = splTop.trySplit();
- if (spl2 != null) {
- spl2.tryAdvance(b);
- spl1 = spl2.trySplit();
- if (spl1 != null) {
- spl1.tryAdvance(b);
- spl1.forEachRemaining(b);
- }
- spl2.tryAdvance(b);
- spl2.forEachRemaining(b);
- }
- splTop.tryAdvance(b);
- spl3 = splTop.trySplit();
- if (spl3 != null) {
- spl3.tryAdvance(b);
- spl3.forEachRemaining(b);
- }
- splTop.tryAdvance(b);
- splTop.forEachRemaining(b);
- }
- static void mixedTraverseAndSplit(LongConsumer b, Spliterator.OfLong splTop) {
- Spliterator.OfLong spl1, spl2, spl3;
- splTop.tryAdvance(b);
- spl2 = splTop.trySplit();
- if (spl2 != null) {
- spl2.tryAdvance(b);
- spl1 = spl2.trySplit();
- if (spl1 != null) {
- spl1.tryAdvance(b);
- spl1.forEachRemaining(b);
- }
- spl2.tryAdvance(b);
- spl2.forEachRemaining(b);
- }
- splTop.tryAdvance(b);
- spl3 = splTop.trySplit();
- if (spl3 != null) {
- spl3.tryAdvance(b);
- spl3.forEachRemaining(b);
- }
- splTop.tryAdvance(b);
- splTop.forEachRemaining(b);
- }
-
- static void mixedTraverseAndSplit(DoubleConsumer b, Spliterator.OfDouble splTop) {
- Spliterator.OfDouble spl1, spl2, spl3;
- splTop.tryAdvance(b);
- spl2 = splTop.trySplit();
- if (spl2 != null) {
- spl2.tryAdvance(b);
- spl1 = spl2.trySplit();
- if (spl1 != null) {
- spl1.tryAdvance(b);
- spl1.forEachRemaining(b);
- }
- spl2.tryAdvance(b);
- spl2.forEachRemaining(b);
- }
- splTop.tryAdvance(b);
- spl3 = splTop.trySplit();
- if (spl3 != null) {
- spl3.tryAdvance(b);
- spl3.forEachRemaining(b);
- }
- splTop.tryAdvance(b);
- splTop.forEachRemaining(b);
- }
-}