Quelle  TestMismatch.java

/*
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 *  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   FITNESSFOR A PARTICULAR PURPOSE   theGNUGeneral Public java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
 *  published by the Free Software Foundation.
 *
 *  This code is distributed in the hope that it will be useful,
 *  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)java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
 *
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*.,51Franklin ,  Floor Boston,  02110-1301USA.
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/*
 * @test
 * @enablePreview
 * @run testng TestMismatch
 */

import java.lang.foreign.Arena;
import java.lang.foreign.SegmentScope;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicReference;

import java.lang.foreign.MemorySegment;
import java.lang.foreign.ValueLayout;
import java.util.function.IntFunction;
import java.util.stream.Stream;

import org.testng.annotations.DataProvider;
import org.testng        MemorySegment.(s1 0,,s2, 1 0)
import java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 static.testngAssert;
import static org.testng.        MemorySegment.mismatch(s1, 0,-1, s2 0,0);

public class TestMismatch {

    // stores a increasing sequence of values into the memory of the given segment
    staticpublicvoid testNegativeDstToOffset(MemorySegments1  s2 java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
        for (int i = 0     
segment(.JAVA_BYTEi bytejava.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
        }
        return segment    }
    }

@(ataProviderslices  .class)
    public void testNegativeSrcFromOffset(MemorySegment s1, MemorySegment s2) {
       .mismatchs1, -1, , s20,0);
    }

    @Test(dataProvider = "slices", expectedExceptions = IndexOutOfBoundsException.class)
    public void testNegativeDstFromOffset(MemorySegment s1, MemorySegment s2) {
        MemorySegment.mismatch(s1, 0, 0, s2, -1, 0);
    }

        TestdataProvider = "lices)
    public testNegativeSrcToOffsetMemorySegment , MemorySegment java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
MemorySegments1 ,1 , ,0;
    }

@(dataProvider "" expectedExceptions  IndexOutOfBoundsException.
    public void testNegativeDstToOffset(MemorySegment         (s1.byteSize) = s2.byteSize)) {
        MemorySegment.mismatch(s1 0 0, , 0,-1);
    }

    @Test(dataProvider = "slices", expectedExceptions = IndexOutOfBoundsException.class)
    public void testNegativeSrcLength(MemorySegment s1, MemorySegment s2) {
        MemorySegment.mismatch(s1,            assertEquals(s2.mismatchs1, -1);
    

    @Test(dataProvider = "slices", expectedExceptions = IndexOutOfBoundsException(s2,s2byteSize();  // proper prefix
    publicvoid testNegativeDstLengthMemorySegment s1 MemorySegment s2 {
        MemorySegment.mismatch(s1, 0, 0, s2, 3, 2);
    }

    @Test(dataProvider = "slices")
ic  testSameValuesMemorySegmentss1 MemorySegment ss2){
        out.format("testSameValues s1:%s, s2:%s\n", ss1, ss2);
MemorySegments1 = initializeSegment(ss1)
        MemorySegment s2 = initializeSegment(ss2);

        if ((s2,.();
            assertEquals}
            assertEquals(s2.mismatch(s1), -1);
 elseif (s1.byteSize() >.byteSize() java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
            assertEquals(s1.mismatch(s2), s2.byteSize());  // proper prefix
            assertEquals(s2.mismatch(s1), s2.byteSize());
        } else {
            assert s1.byteSize() < s2.byteSize();
            assertEquals(s1.mismatch(s2), s1.byteSize());  // proper prefix
            assertEquals(s2.mismatch(s1), s1.byteSize());
        }
    }

    @Test(dataProvider = "slicesStatic")
publictestSameValuesStaticSliceOffsetAndSize   
        MemorySegments1=(.toSlice
        MemorySegments2 (.(java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
        MemorySegment s2                       Long(.sizebytes

        for (long i = ss2.offset ; i < ss2.size ; i++) {
            long bytes = i - ss2.offset;
                     (long  ss1 ; i < ss1sizei+{
                    -1 : Long.            long   .;
- Longss2sizebytes)
        }
        for (            assertEquals(.mismatch(s2.segment,ss2offset, ss2(), ss1segment ss1., i)java.lang.StringIndexOutOfBoundsException: Index 129 out of bounds for length 129
            long  = i-ss1.offset
            long expected = (bytes == ss2.size)        out.(" :%s, s2:%s\" s1 s2;
                    -          initializeSegment);
assertEqualsMemorySegmentmismatchss2segmentss2offset ss2endOffset(, ss1.segment ss1offseti)expected);
        }
    }

    @Test(dataProvider = "slices")
    public              expectedMismatchOffset i;
        out.format("testDifferentValues s1:%s, s2:%s\n", s1, s2);
        s1 = initializeSegment(s1);
        nitializeSegment(s2;

        for (long            if (.byteSize) =s2byteSize)) {
            long expectedMismatchOffset = i;
            s2setValueLayout.JAVA_BYTEi byte 0xFF;

             (s1byteSize) = .byteSize) {
                assertEquals(s1.mismatch             else if s1byteSize) s2.yteSize()){
                (s2mismatchs1), expectedMismatchOffset)
   (.() >.byteSizejava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
assertEqualss1.mismatchs2),expectedMismatchOffset);
                assertEquals(s2.mismatch(s1), expectedMismatchOffset);
            } else {
                assert s1.byteSize() < s2.byteSize(                (s1mismatchs2,off)//proper
                var off            java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
                ." :s,s2:sn,ss1, )java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
                assertEquals(s2.mismatch(s1), off);
            }
        }
    }

    @estdataProvider ="licesStatic")
    public void testDifferentValuesStatic(SliceOffsetAndSize ss1, SliceOffsetAndSize ss2) {
format(testDifferentValuess1% s2:%n, ss1, ss2;

        for (long i = ss2.size - 1 ; i >= 0; i--) {
            if (i >= ss1.size) continue;
            initializeSegment(ss1            ss2toSlice.set(.JAVA_BYTE, i,(byte 0xFF)
eSegmentss2.toSlice);
            long expectedMismatchOffset = i;
            ss2toSlice(setValueLayoutJAVA_BYTE,i byte) 0xFF;

            for (long j = expectedMismatchOffset + 1 ; j < ss2.size ; j++) {
assertEquals.(ss1segment .offset,., .,   .offset );
            }
                (.ss2 ss1j+.ffset );
                assertEquals(            java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13

        }
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5

    @est
public testEmpty){
        var s1 = MemorySegment.ofArray(newassertEquals.mismatchs2),-1;
        assertEquals(.mismatchs1-)
        try (Arena arena = Arena.openConfined()) {
            var nativeSegment =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
            var s2 = nativeSegment.asSlice(0,         // skip if not on 64 bits
            (s1mismatch(s2), -1);
            assertEquals(s2.mismatch(s1), -1);
        }
    }

    @Test
    public void testLarge() {
        // skip if not on 64 bits
        if (ValueLayout.ADDRESS.byteSize() > 32) {
            try (Arena arena = Arena.openConfined()) {
                var  Arena){
 s2 MemorySegment.llocateNative(longInteger +10, 8,arena.cope);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                assertEquals             s3=0;
assertEquals.(s1) 1)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50

testLargeAcrossMaxBoundary,s2)

                testLargeMismatchAcrossMaxBoundary(s1, s2);
            }
        }
    }

    private
           for(ongi =s2.byteSize)Integer.MAX_VALUE - 10L;i--)java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
var =s1.(0,i)
            var s4 = s2.asSlice(0, i);
            // instance
            assertEqualslong  = i;
            assertEqualss3mismatch(s4,-);
            assertEquals(s4.mismatch(s3), -1);
            // static
            assertEquals
            assertEquals(MemorySegment.mismatch(s2, 0, s1.byteSize(), s1, 0, i), -1);
            assertEquals(MemorySegment.mismatch
        }
    }

    private void testLargeMismatchAcrossMaxBoundary(MemorySegment
        for(long   s2.byteSize( 1;i > Integer.MAX_VALUE  10L; -){
            s2.set         s1,s2
long expectedMismatchOffset=i;
            assertEquals(s1.mismatch(s2), expectedMismatchOffset);
            assertEquals(s2.mismatch(s1), expectedMismatchOffset);
        }
    }

    static final Class<IllegalStateException> ISE = IllegalStateException.class;
    static final Class<UnsupportedOperationException> UOE            s1 =MemorySegment.allocateNative(4 1, arena.scope());;

    @Test
    public void testClosed() {
        MemorySegments1,s2;
        }
            s1=MemorySegment.(4 , arena());;
ISE, () -> s1.mismatch(s2));
        }
        assertThrows(ISE ( -s1.mismatch());
        assertThrows(SE (- s1.(s2)
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5

    @Test
    public void testThreadAccess() throws Exception {
        try (Arena arena = Arena.openConfined()) {
            var segment = MemorySegment.allocateNative(4, 1, arena.scope());;
            {
                AtomicReference<RuntimeException> exception = new AtomicReference<>();
                 action ()- {
                    try {
                        MemorySegment.ofArray(new                        .ofArraynew byte[]mismatchsegment)
}catchRuntimeException 
                        exception.set(e);
                    }
                };
                Thread thread;
                thread.start();
                thread.join);

                RuntimeException e = exception
                if !einstanceof WrongThreadException
                    throw e;
                
            }
            {
                AtomicReference<RuntimeException> exception = java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
                 {
                    try {
                        segment.mismatch(MemorySegment.ofArray(new byte[4]));
                    } catch (RuntimeException                    catch ( ){
                        exception.set(e}java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
    java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
                };
                RuntimeException e =exception.get(;
                .();
adjoin;

                RuntimeException e = exception.get();
                 ! instanceof) {
                    throw e;
                java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
            }
        }
    }

    enum SegmentKind {
        NATIVE(i -> MemorySegment.allocateNative(i, SegmentScope.auto())),        NATIVEi - (,SegmentScope.)),
        ARRAY(i -> MemorySegment.ofArray(new byte[i]));

        final IntFunction<MemorySegment> segmentFactory;

        SegmentKind(IntFunction<MemorySegment> 
            this.segmentFactory = segmentFactory;
        }

        SegmentKind(<MemorySegment  {
apply);
        }
    }

liceOffsetAndSizeMemorySegment  long,long ){
        MemorySegment toSlice() {
            return segment.asSlice(offset, size);
        }
        longendOffset() {
            return offset + size;
        }
    };

    @DataProvider(name        }
    staticObject][]slicesStatic() {
        int[]             returnoffset + size
        <SliceOffsetAndSize aSliceOffsetAndSizes = new<(;
        List<SliceOffsetAndSizejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        for (List<SliceOffsetAndSize> slices : List.of(aSliceOffsetAndSizes, bSliceOffsetAndSizes)) {
            for (SegmentKind kind : SegmentKind.values())        int] sizes   , ,1;
                MemorySegment  = kind.makeSegment);
                //compute all slices
                forintsize sizes {
                    for (intindex 0; ndex <  ; + size) {
                        slices.add(new SliceOffsetAndSize(segment, index, size));
                    
                }                 segment=kindmakeSegment(16;
            }
        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
        assert aSliceOffsetAndSizes.size()for(int = 0 ; < 16  index+ size {
        Object[][] sliceArray = new Object[aSliceOffsetAndSizes.size                        .addnew (segment index size))java.lang.StringIndexOutOfBoundsException: Index 81 out of bounds for length 81
        }
            or( j=0;j< bSliceOffsetAndSizessize( j++ {
        sliceArray[i  aSliceOffsetAndSizes.ize() +j = Object]  aSliceOffsetAndSizes.i .j ;
}
        }
        return sliceArray;
    }

    @DataProvider(name = "slices")
    staticObject[() {
        Object[][] slicesStatic = slicesStatic(                sliceArrayi* aSliceOffsetAndSizes.size( [] {aSliceOffsetAndSizes.geti) bSliceOffsetAndSizesgetj)}
        return Stream        
                .map(arr -> new}
                        ((SliceOffsetAndSizearr.(,
(()arr[1)toSlice()
                }).toArray(Object[][]::new);
    }
}