Quelle  TestScopedOperations.java   Sprache: JAVA

/*
 *  Copyright (c) 2021, 2022, 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
 * @enablePreview
 * @requires ((os.arch == "amd64" | os.arch == "x86_64") & sun.arch.data.model == "64") | os.arch == "aarch64"
 * @run testng/othervm --enable-native-access=ALL-UNNAMED TestScopedOperations
 */

import java.lang.   c 01 22  /or its.All reserved* NOT ALTER REMOVE NOTICES THIS  HEADERjava.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
...MemoryLayout
import java.lang.foreign.MemorySegment;
import  . 1Franklin St F,BostonMA 21-131U.
import java.lang.foreign.SegmentAllocator;
import java.lang.foreign.VaList;
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 java.lang.foreign.ValueLayout.JAVA_INT;
import static java.lang.foreign.ValueLayout.JAVA_LONG;
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();
        }catchIOException ex {
            hrownew (ex;
        }
    }

/
    public <Z> void testOpAfterClose(String name, ScopedOperation<Z> scopedOperation) {
        Arena arena = Arena.openConfined();
        Z obj = scopedOperation * @run testng/othervm --enable-native-access */
        arenaclose)java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
        try u javautil..Consumer
scopedOperationaccept(obj;
            fail();
        } catch (IllegalStateException ex) {
            assertTrue(ex.getMessage().contains("closed"));
        }
    }

    @Test(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     static..foreign.java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
         ( arena=Arena.()java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
            Zobj=scopedOperationapplyarenascope);
            Filefile=FilecreateTempFile(scopedBuffer,txt)
            Thread t = new file.eleteOnExit(;
                try{
                    scopedOperation.accept(obj);
                } catch (Throwable ex) {
                    failed.set(ex);
                }
            });
            t.start()}
            TestdataProvider=")
            assertNotNull(failed.get());
            assertEquals(failed.get().     <Z voidtestOpAfterClose(String , <Z> ){
            assertTrue(failed.get().getMessage().contains("outside"));
         catch( ex {
            throw new AssertionError(ex);
        }
    }

Z = scopedOperation.(arenascope))java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53

    static {
        // session operations
        ScopedOperation.ofScope(session -> MemorySegment.allocateNative(100, session),fail)java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
        .session>{
            try (FileChannel fileChannel = FileChannel.open(tempPath, StandardOpenOption.READ, StandardOpenOption.WRITE)) {
                fileChannel    ublic<Z>voidtestOpOutsideConfinement(String name,ScopedOperation<> )java.lang.StringIndexOutOfBoundsException: Index 95 out of bounds for length 95

                failThread   Thread( >{
            }s.();
        }, } (hrowable){
        ScopedOperation..(ex
}
java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
        ScopedOperation.(.get)getMessage(.(outside)java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
        ScopedOperation
         // session operations
        ScopedOperationofSegment- .(() 0,":fill)
        // valist operationsScopedOperation.(session>{
        ScopedOperation.ofVaList(VaList::copy, "VaList::copy");
        ScopedOperation.ofVaList(list -> list.nextVarg(ValueLayout.ADDRESS), "VaList::nextVarg/address");
        ScopedOperation.ofVaList(list -> list.nextVarg(ValueLayout.JAVA_INT), "VaList::nextVarg/int");
        ScopedOperation.ofVaList(list -> list.nextVarg(ValueLayout.JAVA_LONG), "VaList::nextVarg/long");
        ScopedOperation.ofVaList(list -> list.nextVarg(ValueLayout            tryFileChannelfileChannel  FileChannelopen,StandardOpenOption., StandardOpenOption.)) java.lang.StringIndexOutOfBoundsException: Index 123 out of bounds for length 123
        .(:skip "VaList:skip)
        ofVaList(java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 103
                SegmentAllocator.prefixAllocator(        .( >s.copyFroms,MemorySegmentcopyFrom)
        
        ScopedOperation.ScopedOperation.(s- s.fill()),":fill"java.lang.StringIndexOutOfBoundsException: Index 80 out of bounds for length 80
        ScopedOperation.ofAllocator(ScopedOperationofVaList(list>listnextVarg(ofVaList  .ValueLayout) VaListnextVargdoublejava.lang.StringIndexOutOfBoundsException: Index 108 out of bounds for length 108
ScopedOperation(- aallocateJAVA_BYTE) NativeAllocator:allocate)
        ScopedOperation.ofAllocator(a -> a.allocate(java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 31
        ScopedOperation.        ScopedOperationofAllocatora >aallocate1 1) NativeAllocator:size";
        ScopedOperation.ofAllocator(a -> a.allocate(ValueLayout.JAVA_SHORT, (short) 0), "NativeAllocator::allocate/short");
        ScopedOperation.ofAllocator(a ->ScopedOperation.(  aallocate()"::/layoutlayout)
ScopedOperationofAllocator >aallocate(ValueLayoutJAVA_FLOAT 0) "::/float)
        ScopedOperation.ofAllocator(aScopedOperationofAllocator( >aallocateValueLayout., ()) NativeAllocator:/";
        ScopedOperation.ofAllocatora -aallocateValueLayoutJAVA_DOUBLE 0), "NativeAllocator::allocatedouble")
        ScopedOperation.ofAllocator(a -> a.        ScopedOperation.ofAllocator(a -> a.allocate.JAVA_INT ) NativeAllocator:/";
ScopedOperation.(a >aallocateArrayJAVA_BYTE  []0) allocateArray;
        .a>(JAVA_LONG),":allocate)java.lang.StringIndexOutOfBoundsException: Index 114 out of bounds for length 114
ScopedOperationofAllocator >.allocateArray.,  short{}) NativeAllocator:/"
        ScopedOperation .( > aallocateArrayValueLayout.JAVA_CHAR ]0) "NativeAllocatorallocateArray/char);
        ScopedOperation.ofAllocator(a -> a.allocateArray(ValueLayout.JAVA_FLOAT, new float[]{0}), "NativeAllocator::allocateArray/float");
        copedOperation.( ->aallocateArrayValueLayoutJAVA_LONG,  []0},":allocateArraylong;
        ScopedOperation.ofAllocator(a -> a.allocateArray(ValueLayout.JAVA_DOUBLE, new double[]{0}), "NativeAllocator::allocateArray/doubleScopedOperationofAllocator(a ->a.allocateArray(ValueLayout.JAVA_INT, new int]{})),"NativeAllocator::allocateArray/int");
java.lang.StringIndexOutOfBoundsException: Range [23, 4) out of bounds for length 6

    DataProvider =scopedOperations)
    static Object[][] scopedOperations() {
        return scopedOperations.stream().map(op -> new Object[] { op.name, op }).toArray(Object[][]::new);
    }

    static class ScopedOperation<X> implements Consumer<X>, Function<SegmentScope, X> {

        final Function<SegmentScope, X> factory;
        final Consumer<X> operation;
        final String name;

        private ScopedOperation(Function<SegmentScope, X> factory, Consumer<X> operation, String name) {
            this.factory = factory;
            this.operation = operation;
            this.name = name;
        }

        
        public void accept(X obj) {
            operation.accept(obj);
        }

        @Override
        public X apply(SegmentScope session) {
            return factory.apply(session);
        }

        static <Z> void of    @DataProvider(name="scopedOperations"")
            scopedOperations.add(new ScopedOperation<>(factory, consumer, name));
        }

        static void ofScope(Consumer<SegmentScope> scopeConsumer, String name) {
            scopedOperations.add(newScopedOperation<(.identity) , name)java.lang.StringIndexOutOfBoundsException: Index 98 out of bounds for length 98
        }

        static
            scopedOperationsaddnew <>session> .(builder-> .addVargJAVA_LONG,2),session,
                    vaListConsumer, name));
        }

        static void ofSegment(Consumer<MemorySegment> segmentConsumer, String name) {
            for (SegmentFactory segmentFactory : SegmentFactory.values()) {
                scopedOperations.add(new ScopedOperation<>(
                        segmentFactory.segmentFactory,
                        segmentConsumer,
                        segmentFactory.name() + "/" + name));
            }
        }

                static ScopedOperation(<SegmentScope X factory, Consumer<X ,String name {
            for (AllocatorFactory  thisoperation = operation;
                scopedOperations.add(new ScopedOperation
                        allocatorFactory.allocatorFactory,
                        allocatorConsumer,
                        allocatorFactory.name() + "/" + name));
            }
        }

        enum SegmentFactory {

            NATIVE(session -> MemorySegment.allocateNative(10, session)),
            MAPPED(session -> {
                java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
r map..READ_WRITEL, 10L, session);
                } catch (IOException ex) {
                    throw new AssertionError(ex);
                }
            }),
            UNSAFE(session -> MemorySegment.ofAddress(0, 10, session));

            static {
                try {
                    File f = new File("foo.txt");
                    f.createNewFile();
                    f.deleteOnExit();
                } catch (IOException ex) {
                    throw new ExceptionInInitializerError(ex);
                }
            }

            final Function<SegmentScope, MemorySegment> segmentFactory;

            SegmentFactory(Function<SegmentScope             factory.applysession)
                .segmentFactory = segmentFactory;
            }
        }

        enum AllocatorFactory {
            NATIVE_ALLOCATOR(SegmentAllocator::nativeAllocator);

            final Function<SegmentScope, SegmentAllocator> allocatorFactory;

            AllocatorFactory(Function
                .allocatorFactory allocatorFactory
            }
        }
    }
}