/* * Copyright (c) 2021, 2023, 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. */ /* * @test * @run testng/othervm --enable-native-access=ALL-UNNAMED TestScopedOperations */ import java.lang.foreign.Arena; import java.lang.foreign.MemoryLayout; import java.lang.foreign.MemorySegment; import java.lang.foreign.ValueLayout; import org.testng.annotations.DataProvider; import org.testng.annotations.Test; import java.io.File; import java.io.IOException; import java.nio.channels.FileChannel; import java.nio.file.Path; import java.nio.file.StandardOpenOption; import java.util.ArrayList; import java.util.List; import java.util.concurrent.atomic.AtomicReference; import java.util.function.Consumer; import java.util.function.Function; import static java.lang.foreign.ValueLayout.JAVA_BYTE; import static org.testng.Assert.assertEquals; import static org.testng.Assert.assertNotNull; import static org.testng.Assert.assertTrue; import static org.testng.Assert.fail; public class TestScopedOperations { static Path tempPath; static { try { File file = File.createTempFile("scopedBuffer", "txt"); file.deleteOnExit(); tempPath = file.toPath(); } catch (IOException ex) { throw new ExceptionInInitializerError(ex); } } @Test(dataProvider = "scopedOperations") public void testOpAfterClose(String name, ScopedOperation scopedOperation) { Arena arena = Arena.ofConfined(); Z obj = scopedOperation.apply(arena); arena.close(); try { scopedOperation.accept(obj); fail(); } catch (IllegalStateException ex) { assertTrue(ex.getMessage().contains("closed")); } } @Test(dataProvider = "scopedOperations") public void testOpOutsideConfinement(String name, ScopedOperation scopedOperation) { try (Arena arena = Arena.ofConfined()) { Z obj = scopedOperation.apply(arena); AtomicReference failed = new AtomicReference<>(); Thread t = new Thread(() -> { try { scopedOperation.accept(obj); } catch (Throwable ex) { failed.set(ex); } }); t.start(); t.join(); assertNotNull(failed.get()); assertEquals(failed.get().getClass(), WrongThreadException.class); assertTrue(failed.get().getMessage().contains("outside")); } catch (InterruptedException ex) { throw new AssertionError(ex); } } static List scopedOperations = new ArrayList<>(); static { // session operations ScopedOperation.ofScope(session -> session.allocate(100, 1), "MemorySession::allocate"); ScopedOperation.ofScope(session -> { try (FileChannel fileChannel = FileChannel.open(tempPath, StandardOpenOption.READ, StandardOpenOption.WRITE)) { fileChannel.map(FileChannel.MapMode.READ_WRITE, 0L, 10L, session); } catch (IOException ex) { fail(); } }, "FileChannel::map"); // segment operations ScopedOperation.ofSegment(s -> s.toArray(JAVA_BYTE), "MemorySegment::toArray(BYTE)"); ScopedOperation.ofSegment(s -> s.copyFrom(s), "MemorySegment::copyFrom"); ScopedOperation.ofSegment(s -> s.mismatch(s), "MemorySegment::mismatch"); ScopedOperation.ofSegment(s -> s.fill((byte) 0), "MemorySegment::fill"); // allocator operations ScopedOperation.ofScope(a -> a.allocate(1), "Arena::allocate/size"); ScopedOperation.ofScope(a -> a.allocate(1, 1), "Arena::allocate/size/align"); ScopedOperation.ofScope(a -> a.allocate(JAVA_BYTE), "Arena::allocate/layout"); ScopedOperation.ofScope(a -> a.allocateFrom(JAVA_BYTE, (byte) 0), "Arena::allocate/byte"); ScopedOperation.ofScope(a -> a.allocateFrom(ValueLayout.JAVA_CHAR, (char) 0), "Arena::allocate/char"); ScopedOperation.ofScope(a -> a.allocateFrom(ValueLayout.JAVA_SHORT, (short) 0), "Arena::allocate/short"); ScopedOperation.ofScope(a -> a.allocateFrom(ValueLayout.JAVA_INT, 0), "Arena::allocate/int"); ScopedOperation.ofScope(a -> a.allocateFrom(ValueLayout.JAVA_FLOAT, 0f), "Arena::allocate/float"); ScopedOperation.ofScope(a -> a.allocateFrom(ValueLayout.JAVA_LONG, 0L), "Arena::allocate/long"); ScopedOperation.ofScope(a -> a.allocateFrom(ValueLayout.JAVA_DOUBLE, 0d), "Arena::allocate/double"); ScopedOperation.ofScope(a -> a.allocate(JAVA_BYTE, 1L), "Arena::allocate/size"); ScopedOperation.ofScope(a -> a.allocateFrom(JAVA_BYTE, new byte[]{0}), "Arena::allocateFrom/byte"); ScopedOperation.ofScope(a -> a.allocateFrom(ValueLayout.JAVA_CHAR, new char[]{0}), "Arena::allocateFrom/char"); ScopedOperation.ofScope(a -> a.allocateFrom(ValueLayout.JAVA_SHORT, new short[]{0}), "Arena::allocateFrom/short"); ScopedOperation.ofScope(a -> a.allocateFrom(ValueLayout.JAVA_INT, new int[]{0}), "Arena::allocateFrom/int"); ScopedOperation.ofScope(a -> a.allocateFrom(ValueLayout.JAVA_FLOAT, new float[]{0}), "Arena::allocateFrom/float"); ScopedOperation.ofScope(a -> a.allocateFrom(ValueLayout.JAVA_LONG, new long[]{0}), "Arena::allocateFrom/long"); ScopedOperation.ofScope(a -> a.allocateFrom(ValueLayout.JAVA_DOUBLE, new double[]{0}), "Arena::allocateFrom/double"); var source = MemorySegment.ofArray(new byte[]{}); ScopedOperation.ofScope(a -> a.allocateFrom(ValueLayout.JAVA_INT, source, JAVA_BYTE, 0, 1), "Arena::allocateFrom/5arg"); }; @DataProvider(name = "scopedOperations") static Object[][] scopedOperations() { return scopedOperations.stream().map(op -> new Object[] { op.name, op }).toArray(Object[][]::new); } static class ScopedOperation implements Consumer, Function { final Function factory; final Consumer operation; final String name; private ScopedOperation(Function factory, Consumer operation, String name) { this.factory = factory; this.operation = operation; this.name = name; } @Override public void accept(X obj) { operation.accept(obj); } @Override public X apply(Arena session) { return factory.apply(session); } static void of(Function factory, Consumer consumer, String name) { scopedOperations.add(new ScopedOperation<>(factory, consumer, name)); } static void ofScope(Consumer scopeConsumer, String name) { scopedOperations.add(new ScopedOperation<>(Function.identity(), scopeConsumer, name)); } static void ofSegment(Consumer segmentConsumer, String name) { for (SegmentFactory segmentFactory : SegmentFactory.values()) { scopedOperations.add(new ScopedOperation<>( segmentFactory.segmentFactory, segmentConsumer, segmentFactory.name() + "/" + name)); } } enum SegmentFactory { NATIVE(session -> session.allocate(10, 1)), MAPPED(session -> { try (FileChannel fileChannel = FileChannel.open(Path.of("foo.txt"), StandardOpenOption.READ, StandardOpenOption.WRITE)) { return fileChannel.map(FileChannel.MapMode.READ_WRITE, 0L, 10L, session); } catch (IOException ex) { throw new AssertionError(ex); } }), UNSAFE(session -> MemorySegment.NULL.reinterpret(10, session, null)); static { try { File f = new File("foo.txt"); f.createNewFile(); f.deleteOnExit(); } catch (IOException ex) { throw new ExceptionInInitializerError(ex); } } final Function segmentFactory; SegmentFactory(Function segmentFactory) { this.segmentFactory = segmentFactory; } } } }