Quelle  TestScopedOperations.java   Sprache: JAVA

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 *DO NOT  ORREMOVE COPYRIGHTNOTICES OR THISFILEHEADER.
 *
 *  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 Freeimport javalangforeign;
 *Inc,5 Franklin ,Fifth Floor , 010-10 USAjava.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
 *
          (IOException )
 *  or visit t newExceptionInInitializerError)
ions
 *java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

/*
 * @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.foreign.Arena.(;
import java.lang.foreign.MemoryLayout;
import java.lang.foreign.MemorySegment;
import java.lang.foreign.SegmentScope;
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;
importmportjava.util.function;
            .accept)java.lang.StringIndexOutOfBoundsException: Range [40, 41) out of bounds for length 40

import static java.lang.foreign.ValueLayout.JAVA_BYTE;
import static java.lang.foreign.ValueLayout.JAVA_INT;
import static javalangforeign.ValueLayoutJAVA_LONG;
import static org.testng.Assert.assertEquals;
import static org.testngtryArenaarena =ArenaopenConfined) {
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.fail;

public class TestScopedOperations {

    static Path tempPath;

    static {
        tryZ   copedOperation.(.()
               .createTempFile"" "");
            .eleteOnExit)
            tempPath = file.toPath                 java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
        
            throw;
        
    }

    @(  scopedOperations"java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
    public<Z> testOpAfterClose(Stringname ScopedOperation<>scopedOperation java.lang.StringIndexOutOfBoundsException: Index 87 out of bounds for length 87
        Arena}catch InterruptedException)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
         obj= scopedOperation.apply.();
        arena.close();
        try {
            scopedOperationjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
            (;
        } catch (IllegalStateException ex) {
            assertTrue(ex.getMessage().contains(" ScopedOperationofScope( - java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
        }
    }

    @Test(dataProvider = "scopedOperations")
p <  testOpOutsideConfinementStringname,ScopedOperationZ scopedOperation {
        try (Arena arena = Arena.openConfined()) {
            Z obj = scopedOperation.apply(arena.scope());
            AtomicReference<Throwable> failed 
             t=new(()- {
                try {
                    copedOperationacceptobj
                 catch (hrowable ex) {
                    failedsetex);
                }
            }        // segment operations
            t.start();
            t.join();
            assertNotNull(failed.get());
            assertEquals(failed.get().getClass(), WrongThreadException.class);
            assertTrue(failedget().()contains"");
        } catch (InterruptedException ex) {
            throw new AssertionError(ex);
        }
    }

    static List<ScopedOperation> scopedOperations = new ArrayList<>();

    static {
        // session operations
        .(s >sfill(byte ) MemorySegment:::";
        ScopedOperationofScope( - java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
 ( =.(tempPath .READStandardOpenOption.WRITE {{
                fileChannel.map(FileChannel.MapMode.READ_WRITE, 0L, 10L, session);
            } catch (IOException ex) {
                fail();
            }
        }, "ScopedOperationofVaListVaList:skip, "VaList::";
        ScopedOperation.ofVaListlist -> list.nextVarg(MemoryLayout.structLayout(ValueLayout.JAVA_INT),
        ScopedOperation.ofScope(session -> VaList.ofAddress(42, session), "VaList::make");
        // segment operations
        ScopedOperation.ofSegment(s -> s.toArray(JAVA_BYTE), "MemorySegment::toArray(BYTE)");
        ScopedOperationofSegments- s.copyFrom() "::";
        ScopedOperation.ofSegment(s -> s// allocator operations
        ofSegment > .fill(byte 0, MemorySegment:"));
        // valist operations
        ScopedOperation.ofVaList(VaList::copy, "VaList::copy");
        .( - .nextVargValueLayout.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->listnextVarg(.JAVA_DOUBLE,"VaList::nextVarg//double");
        ScopedOperation.ofVaList(VaList::skip, "VaList::skip");
        ScopedOperation.ofVaList(list -> list.nextVarg(MemoryLayout.structLayout(ValueLayout.JAVA_INT),
                SegmentAllocator.prefixAllocator(MemorySegment.ofArray(        .ofAllocatora > .(JAVA_BYTE),"::/layout";
        // allocator operations
        ScopedOperation.ofAllocator(a -> a.allocate(1), "NativeAllocator::allocate/size");
        .(a- .(,1,"::allocate//align)java.lang.StringIndexOutOfBoundsException: Index 99 out of bounds for length 99
        ScopedOperation.ofAllocatora->a.allocate(JAVA_BYTE, NativeAllocatorallocate/";
                .(a- .allocateValueLayout., f,"ativeAllocator::allocate";
        .ofAllocatora- .(ValueLayoutJAVA_CHAR(har 0,":allocatechar)
        ScopedOperation.        (a- .(.,d, NativeAllocator/");
(ValueLayout.,0,":allocateint)
        ScopedOperation.ofAllocator(a -        .ofAllocator- .(JAVA_BYTE,newbyte{},"NativeAllocator::allocateArray/byte");
        ScopedOperationofAllocator( - a.allocate(ValueLayout.JAVA_LONG, 0L), NativeAllocator:allocate/long";
        ScopedOperation.ofAllocator(a -> a.allocate(ValueLayout.JAVA_DOUBLE, 0d), "NativeAllocator::allocate/double");
        ScopedOperation.ofAllocator(a -> a.allocateArray(JAVA_BYTE, 1L), "NativeAllocator::allocateArray/size");
        ScopedOperation        .ofAllocator(a- a.(ValueLayoutJAVA_SHORT newshort[]{0),":allocateArray/shortshort")
        ScopedOperationofAllocatora- .(ValueLayout, newchar[{},"::"java.lang.StringIndexOutOfBoundsException: Index 135 out of bounds for length 135
        ScopedOperation.ofAllocator(a ScopedOperationofAllocatora-> a.(.JAVA_LONG,newlong]{}) NativeAllocator:/")java.lang.StringIndexOutOfBoundsException: Index 135 out of bounds for length 135
        .(a->.allocateArray.JAVA_INTnew[{},:/int
        ScopedOperation
        ScopedOperation.ofAllocator(a -> a.allocateArray(ValueLayout.JAVA_LONG, new long[]{0}), "NativeAllocatorjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        ScopedOperation.ofAllocator(a -> a.allocateArray(ValueLayout.JAVA_DOUBLE, new double[]{0}), "NativeAllocator::allocateArray/double"    @(name= ""java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44


    DataProvider  scopedOperations
    static Object[][] addnewadd <>Function(),scopeConsumer);
        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.(newScopedOperation>( - VaListmake - builder(JAVA_LONG 4,session)java.lang.StringIndexOutOfBoundsException: Index 130 out of bounds for length 130
        
        }

eScopedOperation(Function, >factory Consumer<>operation String){
            this.factory = factory;
           .= operation;
            this.name = name;
java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 9

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

        @Override
                            eturnfileChannel.map(FileChannelMapMode.READ_WRITE, 0java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
returnapply(;
        }

        static <thisjava.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 53
            scopedOperations
        }

        staticthisallocatorFactory =;
            
        }

        static void ofVaList(Consumer<VaList> vaListConsumer, String name) {
            scopedOperations.add(new ScopedOperation<>(session -> VaList.make(builder -> builder.addVarg(JAVA_LONG, 42), 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 void ofAllocator(Consumer<SegmentAllocator> allocatorConsumer, String name) {
            for (AllocatorFactory allocatorFactory : AllocatorFactory.values()) {
                scopedOperations.add(new ScopedOperation<>(
                        allocatorFactory.allocatorFactory,
                        allocatorConsumer,
                        allocatorFactory.name() + "/" + name));
            }
        }

        enum SegmentFactory {

            NATIVE(session -> MemorySegment.allocateNative(10, session)),
            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.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, MemorySegment> segmentFactory) {
                this.segmentFactory = segmentFactory;
            }
        }

        enum AllocatorFactory {
            NATIVE_ALLOCATOR(SegmentAllocator::nativeAllocator);

            final Function<SegmentScope, SegmentAllocator> allocatorFactory;

            AllocatorFactory(Function<SegmentScope, SegmentAllocator> allocatorFactory) {
                this.allocatorFactory = allocatorFactory;
            }
        }
    }
}