262 lines
12 KiB
Java
262 lines
12 KiB
Java
/*
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* Copyright (c) 2021, 2022, 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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* @test
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* @enablePreview
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* @requires ((os.arch == "amd64" | os.arch == "x86_64") & sun.arch.data.model == "64") | os.arch == "aarch64"
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* @run testng/othervm --enable-native-access=ALL-UNNAMED TestScopedOperations
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*/
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import java.lang.foreign.MemoryAddress;
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import java.lang.foreign.MemoryLayout;
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import java.lang.foreign.MemorySegment;
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import java.lang.foreign.MemorySession;
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import java.lang.foreign.SegmentAllocator;
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import java.lang.foreign.VaList;
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import java.lang.foreign.ValueLayout;
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import org.testng.annotations.DataProvider;
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import org.testng.annotations.Test;
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import java.io.File;
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import java.io.IOException;
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import java.nio.channels.FileChannel;
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import java.nio.file.Path;
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import java.nio.file.StandardOpenOption;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.concurrent.atomic.AtomicReference;
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import java.util.function.Consumer;
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import java.util.function.Function;
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import static java.lang.foreign.ValueLayout.JAVA_BYTE;
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import static java.lang.foreign.ValueLayout.JAVA_INT;
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import static java.lang.foreign.ValueLayout.JAVA_LONG;
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import static org.testng.Assert.assertEquals;
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import static org.testng.Assert.assertNotNull;
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import static org.testng.Assert.assertTrue;
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import static org.testng.Assert.fail;
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public class TestScopedOperations {
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static Path tempPath;
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static {
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try {
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File file = File.createTempFile("scopedBuffer", "txt");
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file.deleteOnExit();
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tempPath = file.toPath();
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} catch (IOException ex) {
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throw new ExceptionInInitializerError(ex);
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}
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}
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@Test(dataProvider = "scopedOperations")
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public <Z> void testOpAfterClose(String name, ScopedOperation<Z> scopedOperation) {
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MemorySession session = MemorySession.openConfined();
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Z obj = scopedOperation.apply(session);
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session.close();
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try {
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scopedOperation.accept(obj);
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fail();
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} catch (IllegalStateException ex) {
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assertTrue(ex.getMessage().contains("closed"));
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}
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}
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@Test(dataProvider = "scopedOperations")
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public <Z> void testOpOutsideConfinement(String name, ScopedOperation<Z> scopedOperation) {
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try (MemorySession session = MemorySession.openConfined()) {
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Z obj = scopedOperation.apply(session);
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AtomicReference<Throwable> failed = new AtomicReference<>();
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Thread t = new Thread(() -> {
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try {
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scopedOperation.accept(obj);
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} catch (Throwable ex) {
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failed.set(ex);
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}
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});
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t.start();
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t.join();
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assertNotNull(failed.get());
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assertEquals(failed.get().getClass(), WrongThreadException.class);
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assertTrue(failed.get().getMessage().contains("outside"));
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} catch (InterruptedException ex) {
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throw new AssertionError(ex);
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}
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}
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static List<ScopedOperation> scopedOperations = new ArrayList<>();
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static {
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// session operations
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ScopedOperation.ofScope(session -> session.addCloseAction(() -> {
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}), "MemorySession::addCloseAction");
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ScopedOperation.ofScope(session -> MemorySegment.allocateNative(100, session), "MemorySegment::allocateNative");
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ScopedOperation.ofScope(session -> {
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try (FileChannel fileChannel = FileChannel.open(tempPath, StandardOpenOption.READ, StandardOpenOption.WRITE)) {
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fileChannel.map(FileChannel.MapMode.READ_WRITE, 0L, 10L, session);
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} catch (IOException ex) {
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fail();
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}
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}, "FileChannel::map");
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ScopedOperation.ofScope(session -> VaList.make(b -> b.addVarg(JAVA_INT, 42), session), "VaList::make");
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ScopedOperation.ofScope(session -> VaList.ofAddress(MemoryAddress.ofLong(42), session), "VaList::make");
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ScopedOperation.ofScope(SegmentAllocator::newNativeArena, "SegmentAllocator::arenaAllocator");
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// segment operations
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ScopedOperation.ofSegment(s -> s.toArray(JAVA_BYTE), "MemorySegment::toArray(BYTE)");
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ScopedOperation.ofSegment(MemorySegment::address, "MemorySegment::address");
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ScopedOperation.ofSegment(s -> s.copyFrom(s), "MemorySegment::copyFrom");
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ScopedOperation.ofSegment(s -> s.mismatch(s), "MemorySegment::mismatch");
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ScopedOperation.ofSegment(s -> s.fill((byte) 0), "MemorySegment::fill");
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// valist operations
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ScopedOperation.ofVaList(VaList::address, "VaList::address");
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ScopedOperation.ofVaList(VaList::copy, "VaList::copy");
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ScopedOperation.ofVaList(list -> list.nextVarg(ValueLayout.ADDRESS), "VaList::nextVarg/address");
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ScopedOperation.ofVaList(list -> list.nextVarg(ValueLayout.JAVA_INT), "VaList::nextVarg/int");
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ScopedOperation.ofVaList(list -> list.nextVarg(ValueLayout.JAVA_LONG), "VaList::nextVarg/long");
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ScopedOperation.ofVaList(list -> list.nextVarg(ValueLayout.JAVA_DOUBLE), "VaList::nextVarg/double");
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ScopedOperation.ofVaList(VaList::skip, "VaList::skip");
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ScopedOperation.ofVaList(list -> list.nextVarg(MemoryLayout.structLayout(ValueLayout.JAVA_INT),
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SegmentAllocator.prefixAllocator(MemorySegment.ofArray(new byte[4]))), "VaList::nextVargs/segment");
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// allocator operations
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ScopedOperation.ofAllocator(a -> a.allocate(1), "NativeAllocator::allocate/size");
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ScopedOperation.ofAllocator(a -> a.allocate(1, 1), "NativeAllocator::allocate/size/align");
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ScopedOperation.ofAllocator(a -> a.allocate(JAVA_BYTE), "NativeAllocator::allocate/layout");
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ScopedOperation.ofAllocator(a -> a.allocate(JAVA_BYTE, (byte) 0), "NativeAllocator::allocate/byte");
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ScopedOperation.ofAllocator(a -> a.allocate(ValueLayout.JAVA_CHAR, (char) 0), "NativeAllocator::allocate/char");
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ScopedOperation.ofAllocator(a -> a.allocate(ValueLayout.JAVA_SHORT, (short) 0), "NativeAllocator::allocate/short");
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ScopedOperation.ofAllocator(a -> a.allocate(ValueLayout.JAVA_INT, 0), "NativeAllocator::allocate/int");
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ScopedOperation.ofAllocator(a -> a.allocate(ValueLayout.JAVA_FLOAT, 0f), "NativeAllocator::allocate/float");
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ScopedOperation.ofAllocator(a -> a.allocate(ValueLayout.JAVA_LONG, 0L), "NativeAllocator::allocate/long");
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ScopedOperation.ofAllocator(a -> a.allocate(ValueLayout.JAVA_DOUBLE, 0d), "NativeAllocator::allocate/double");
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ScopedOperation.ofAllocator(a -> a.allocateArray(JAVA_BYTE, 1L), "NativeAllocator::allocateArray/size");
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ScopedOperation.ofAllocator(a -> a.allocateArray(JAVA_BYTE, new byte[]{0}), "NativeAllocator::allocateArray/byte");
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ScopedOperation.ofAllocator(a -> a.allocateArray(ValueLayout.JAVA_CHAR, new char[]{0}), "NativeAllocator::allocateArray/char");
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ScopedOperation.ofAllocator(a -> a.allocateArray(ValueLayout.JAVA_SHORT, new short[]{0}), "NativeAllocator::allocateArray/short");
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ScopedOperation.ofAllocator(a -> a.allocateArray(ValueLayout.JAVA_INT, new int[]{0}), "NativeAllocator::allocateArray/int");
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ScopedOperation.ofAllocator(a -> a.allocateArray(ValueLayout.JAVA_FLOAT, new float[]{0}), "NativeAllocator::allocateArray/float");
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ScopedOperation.ofAllocator(a -> a.allocateArray(ValueLayout.JAVA_LONG, new long[]{0}), "NativeAllocator::allocateArray/long");
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ScopedOperation.ofAllocator(a -> a.allocateArray(ValueLayout.JAVA_DOUBLE, new double[]{0}), "NativeAllocator::allocateArray/double");
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};
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@DataProvider(name = "scopedOperations")
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static Object[][] scopedOperations() {
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return scopedOperations.stream().map(op -> new Object[] { op.name, op }).toArray(Object[][]::new);
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}
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static class ScopedOperation<X> implements Consumer<X>, Function<MemorySession, X> {
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final Function<MemorySession, X> factory;
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final Consumer<X> operation;
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final String name;
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private ScopedOperation(Function<MemorySession, X> factory, Consumer<X> operation, String name) {
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this.factory = factory;
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this.operation = operation;
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this.name = name;
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}
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@Override
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public void accept(X obj) {
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operation.accept(obj);
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}
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@Override
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public X apply(MemorySession session) {
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return factory.apply(session);
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}
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static <Z> void of(Function<MemorySession, Z> factory, Consumer<Z> consumer, String name) {
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scopedOperations.add(new ScopedOperation<>(factory, consumer, name));
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}
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static void ofScope(Consumer<MemorySession> scopeConsumer, String name) {
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scopedOperations.add(new ScopedOperation<>(Function.identity(), scopeConsumer, name));
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}
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static void ofVaList(Consumer<VaList> vaListConsumer, String name) {
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scopedOperations.add(new ScopedOperation<>(session -> VaList.make(builder -> builder.addVarg(JAVA_LONG, 42), session),
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vaListConsumer, name));
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}
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static void ofSegment(Consumer<MemorySegment> segmentConsumer, String name) {
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for (SegmentFactory segmentFactory : SegmentFactory.values()) {
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scopedOperations.add(new ScopedOperation<>(
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segmentFactory.segmentFactory,
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segmentConsumer,
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segmentFactory.name() + "/" + name));
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}
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}
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static void ofAllocator(Consumer<SegmentAllocator> allocatorConsumer, String name) {
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for (AllocatorFactory allocatorFactory : AllocatorFactory.values()) {
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scopedOperations.add(new ScopedOperation<>(
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allocatorFactory.allocatorFactory,
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allocatorConsumer,
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allocatorFactory.name() + "/" + name));
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}
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}
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enum SegmentFactory {
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NATIVE(session -> MemorySegment.allocateNative(10, session)),
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MAPPED(session -> {
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try (FileChannel fileChannel = FileChannel.open(Path.of("foo.txt"), StandardOpenOption.READ, StandardOpenOption.WRITE)) {
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return fileChannel.map(FileChannel.MapMode.READ_WRITE, 0L, 10L, session);
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} catch (IOException ex) {
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throw new AssertionError(ex);
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}
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}),
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UNSAFE(session -> MemorySegment.ofAddress(MemoryAddress.NULL, 10, session));
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static {
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try {
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File f = new File("foo.txt");
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f.createNewFile();
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f.deleteOnExit();
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} catch (IOException ex) {
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throw new ExceptionInInitializerError(ex);
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}
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}
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final Function<MemorySession, MemorySegment> segmentFactory;
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SegmentFactory(Function<MemorySession, MemorySegment> segmentFactory) {
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this.segmentFactory = segmentFactory;
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}
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}
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enum AllocatorFactory {
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ARENA_BOUNDED(session -> SegmentAllocator.newNativeArena(1000, session)),
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ARENA_UNBOUNDED(SegmentAllocator::newNativeArena);
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final Function<MemorySession, SegmentAllocator> allocatorFactory;
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AllocatorFactory(Function<MemorySession, SegmentAllocator> allocatorFactory) {
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this.allocatorFactory = allocatorFactory;
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}
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}
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}
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}
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