Beispiel #1
0
        private static void testAllocate()
        {
            // An IllegalArgumentException will be thrown for negative capacities.
            tryCatch((BufferN)null, typeof(IllegalArgumentException), () => { ByteBufferN.allocate(-1); });

            tryCatch((BufferN)null, typeof(IllegalArgumentException), () => { ByteBufferN.allocateDirect(-1); });
        }
Beispiel #2
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 private static void testViews(int level, ByteBufferN b, bool direct)
 {
     /*
      * ShortBuffer sb = b.asShortBuffer();
      * BasicShort.test(level, sb, direct);
      * checkBytes(b, new byte[] { 0, (byte)ic(0) });
      * checkInvalidMarkException(sb);
      *
      * CharBuffer cb = b.asCharBuffer();
      * BasicChar.test(level, cb, direct);
      * checkBytes(b, new byte[] { 0, (byte)ic(0) });
      * checkInvalidMarkException(cb);
      *
      * IntBuffer ib = b.asIntBuffer();
      * BasicInt.test(level, ib, direct);
      * checkBytes(b, new byte[] { 0, 0, 0, (byte)ic(0) });
      * checkInvalidMarkException(ib);
      *
      * LongBuffer lb = b.asLongBuffer();
      * BasicLong.test(level, lb, direct);
      * checkBytes(b, new byte[] { 0, 0, 0, 0, 0, 0, 0, (byte)ic(0) });
      * checkInvalidMarkException(lb);
      *
      * FloatBuffer fb = b.asFloatBuffer();
      * BasicFloat.test(level, fb, direct);
      * checkBytes(b, new byte[] { 0x42, (byte)0xc2, 0, 0 });
      * checkInvalidMarkException(fb);
      *
      * DoubleBuffer db = b.asDoubleBuffer();
      * BasicDouble.test(level, db, direct);
      * checkBytes(b, new byte[] { 0x40, 0x58, 0x40, 0, 0, 0, 0, 0 });
      * checkInvalidMarkException(db);*/
 }
Beispiel #3
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 public override ByteBufferN put(ByteBufferN src)
 {
     if (src is HeapByteBufferN)
     {
         if (src == this)
         {
             throw new IllegalArgumentException();
         }
         var sb = (HeapByteBufferN)src;
         int n  = sb.remaining();
         if (n > remaining())
         {
             throw new BufferOverflowException();
         }
         Array.Copy(sb.hb, sb.ix(sb.position()),
                    hb, ix(position()), n);
         sb.position(sb.position() + n);
         position(position() + n);
     }
     else if (src.isDirect())
     {
         int n = src.remaining();
         if (n > remaining())
         {
             throw new BufferOverflowException();
         }
         src.get(hb, ix(position()), n);
         position(position() + n);
     }
     else
     {
         base.put(src);
     }
     return(this);
 }
Beispiel #4
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        //6231529
        private static void callReset(ByteBufferN b)
        {
            b.position(0);
            b.mark();

            b.duplicate().reset();
            //TODO b.asReadOnlyBuffer().reset();
        }
Beispiel #5
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        private static void relGet(ByteBufferN b, int start)
        {
            int n = b.remaining();

            for (int i = start; i < n; i++)
            {
                ck(b, b.get(), ((byte)ic(i)));
            }
            b.rewind();
        }
Beispiel #6
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        private static void absGet(ByteBufferN b)
        {
            int n = b.capacity();

            for (int i = 0; i < n; i++)
            {
                ck(b, b.get(), ((byte)ic(i)));
            }
            b.rewind();
        }
Beispiel #7
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        private static void bulkGet(ByteBufferN b)
        {
            int n = b.capacity();
            var a = new byte[n + 7];

            b.get(a, 7, n);
            for (int i = 0; i < n; i++)
            {
                ck(b, a[i + 7], ((byte)ic(i)));
            }
        }
Beispiel #8
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        private static void relPut(ByteBufferN b)
        {
            int n = b.capacity();

            b.clear();
            for (int i = 0; i < n; i++)
            {
                b.put((byte)ic(i));
            }
            b.flip();
        }
Beispiel #9
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        private static void absPut(ByteBufferN b)
        {
            int n = b.capacity();

            b.clear();
            for (int i = 0; i < n; i++)
            {
                b.put(i, (byte)ic(i));
            }
            b.limit(n);
            b.position(0);
        }
Beispiel #10
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        private static void bulkPutArray(ByteBufferN b)
        {
            int n = b.capacity();

            b.clear();
            var a = new byte[n + 7];

            for (int i = 0; i < n; i++)
            {
                a[i + 7] = (byte)ic(i);
            }
            b.put(a, 7, n);
            b.flip();
        }
Beispiel #11
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 private static void checkSlice(ByteBufferN b, ByteBufferN slice)
 {
     ck(slice, 0, slice.position());
     ck(slice, b.remaining(), slice.limit());
     ck(slice, b.remaining(), slice.capacity());
     if (b.isDirect() != slice.isDirect())
     {
         fail("Lost direction", slice);
     }
     if (b.isReadOnly() != slice.isReadOnly())
     {
         fail("Lost read-only", slice);
     }
 }
Beispiel #12
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        private static void bulkPutBuffer(ByteBufferN b)
        {
            int n = b.capacity();

            b.clear();
            ByteBufferN c = ByteBufferN.allocate(n + 7);

            c.position(7);
            for (int i = 0; i < n; i++)
            {
                c.put((byte)ic(i));
            }
            c.flip();
            c.position(7);
            b.put(c);
            b.flip();
        }
Beispiel #13
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        public static void test()
        {
            testAllocate();
            test(0, ByteBufferN.allocate(7 * 1024), false);
            test(0, ByteBufferN.wrap(new byte[7 * 1024], 0, 7 * 1024), false);
            test(new byte[1024]);

            ByteBufferN b = ByteBufferN.allocateDirect(7 * 1024);

            for (b.position(0); b.position() < b.limit();)
            {
                ck(b, b.get(), 0);
            }
            test(0, b, true);


            callReset(ByteBufferN.allocate(10));
        }
Beispiel #14
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        public static void test(byte[] ba)
        {
            int         offset = 47;
            int         length = 900;
            ByteBufferN b      = ByteBufferN.wrap(ba, offset, length);

            show(0, b);
            ck(b, b.capacity(), ba.Length);
            ck(b, b.position(), offset);
            ck(b, b.limit(), offset + length);

            // The offset must be non-negative and no larger than <array.length>.
            tryCatch(ba, typeof(IndexOutOfBoundsException), () => { ByteBufferN.wrap(ba, -1, ba.Length); });
            tryCatch(ba, typeof(IndexOutOfBoundsException), () => { ByteBufferN.wrap(ba, ba.Length + 1, ba.Length); });
            tryCatch(ba, typeof(IndexOutOfBoundsException), () => { ByteBufferN.wrap(ba, 0, -1); });
            tryCatch(ba, typeof(IndexOutOfBoundsException), () => { ByteBufferN.wrap(ba, 0, ba.Length + 1); });

            // A NullPointerException will be thrown if the array is null.
            tryCatch(ba, typeof(NullReferenceException), () => { ByteBufferN.wrap(null, 0, 5); });
            tryCatch(ba, typeof(NullReferenceException), () => { ByteBufferN.wrap(null); });
        }
Beispiel #15
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        private static void checkBytes(ByteBufferN b, byte[] bs)
        {
            int n = bs.Length;
            int p = b.position();

            if (b.order() == ByteOrder.BIG_ENDIAN)
            {
                for (int i = 0; i < n; i++)
                {
                    ck(b, b.get(), bs[i]);
                }
            }
            else
            {
                for (int i = n - 1; i >= 0; i--)
                {
                    ck(b, b.get(), bs[i]);
                }
            }
            b.position(p);
        }
Beispiel #16
0
        private static void testHet(int level, ByteBufferN b)
        {
            int p = b.position();

            b.limit(b.capacity());
            show(level, b);
            outt.print("    put:");

            b.putChar((char)1);
            b.putChar(Character.MAX_VALUE);
            outt.print(" char");

            b.putShort(1);
            b.putShort(Short.MAX_VALUE);
            outt.print(" short");

            b.putInt(1);
            b.putInt(Integer.MAX_VALUE);
            outt.print(" int");

            b.putLong(1);
            b.putLong(Long.MAX_VALUE);
            outt.print(" long");

            b.putFloat(1);
            b.putFloat(Float.MIN_VALUE);
            b.putFloat(Float.MAX_VALUE);
            outt.print(" float");

            b.putDouble(1);
            b.putDouble(Double.MIN_VALUE);
            b.putDouble(Double.MAX_VALUE);
            outt.print(" double");

            outt.println();
            b.limit(b.position());
            b.position(p);
            show(level, b);
            outt.print("    get:");

            ck(b, b.getChar(), 1);
            ck(b, b.getChar(), Character.MAX_VALUE);
            outt.print(" char");

            ck(b, b.getShort(), 1);
            ck(b, b.getShort(), Short.MAX_VALUE);
            outt.print(" short");

            ck(b, b.getInt(), 1);
            ck(b, b.getInt(), Integer.MAX_VALUE);
            outt.print(" int");

            ck(b, b.getLong(), 1);
            ck(b, b.getLong(), Long.MAX_VALUE);
            outt.print(" long");

            ck(b, (long)b.getFloat(), 1);
            ck(b, (long)b.getFloat(), (long)Float.MIN_VALUE);
            ck(b, (long)b.getFloat(), (long)Float.MAX_VALUE);
            outt.print(" float");

            ck(b, (long)b.getDouble(), 1);
            ck(b, (long)b.getDouble(), (long)Double.MIN_VALUE);
            ck(b, (long)b.getDouble(), (long)Double.MAX_VALUE);
            outt.print(" double");

            outt.println();
        }
Beispiel #17
0
        public static void test(int level, ByteBufferN b, bool direct)
        {
            show(level, b);

            //TODO if (direct != b.isDirect())
            //TODO     fail("Wrong direction", b);

            // Gets and puts

            relPut(b);
            relGet(b);
            absGet(b);
            bulkGet(b);

            absPut(b);
            relGet(b);
            absGet(b);
            bulkGet(b);

            bulkPutArray(b);
            relGet(b);

            bulkPutBuffer(b);
            relGet(b);


            // Compact

            relPut(b);
            b.position(13);
            b.compact();
            b.flip();
            relGet(b, 13);

            // Exceptions

            relPut(b);
            b.limit(b.capacity() / 2);
            b.position(b.limit());

            tryCatch(b, typeof(BufferUnderflowException), () => { b.get(); });

            tryCatch(b, typeof(BufferOverflowException), () => { b.put(42); });

            // The index must be non-negative and lesss than the buffer's limit.
            tryCatch(b, typeof(IndexOutOfBoundsException), () => { b.get(b.limit()); });
            tryCatch(b, typeof(IndexOutOfBoundsException), () => { b.get(-1); });

            tryCatch(b, typeof(IndexOutOfBoundsException), () => { b.put(b.limit(), 42); });

            tryCatch(b, typeof(InvalidMarkException), () =>
            {
                b.position(0);
                b.mark();
                b.compact();
                b.reset();
            });

            // Values

            b.clear();
            b.put(0);
            b.put(0xff);
            b.put(1);
            b.put(Byte.MAX_VALUE);
            b.put(Byte.MIN_VALUE);


            b.flip();
            ck(b, b.get(), 0);
            ck(b, b.get(), 0xff);
            ck(b, b.get(), 1);
            ck(b, b.get(), Byte.MAX_VALUE);
            ck(b, b.get(), Byte.MIN_VALUE);


            // Comparison
            b.rewind();
            ByteBufferN b2 = ByteBufferN.allocate(b.capacity());

            b2.put(b);
            b2.flip();
            b.position(2);
            b2.position(2);
            if (!b.equals(b2))
            {
                for (int i = 2; i < b.limit(); i++)
                {
                    byte x = b.get(i);
                    byte y = b2.get(i);
                    if (x != y
                        )
                    {
                        outt.println("[" + i + "] " + x + " != " + y);
                    }
                }
                fail("Identical buffers not equal", b, b2);
            }
            if (b.compareTo(b2) != 0)
            {
                fail("Comparison to identical buffer != 0", b, b2);
            }

            b.limit(b.limit() + 1);
            b.position(b.limit() - 1);
            b.put(99);
            b.rewind();
            b2.rewind();
            if (b.equals(b2))
            {
                fail("Non-identical buffers equal", b, b2);
            }
            if (b.compareTo(b2) <= 0)
            {
                fail("Comparison to shorter buffer <= 0", b, b2);
            }
            b.limit(b.limit() - 1);

            b.put(2, 42);
            if (b.equals(b2))
            {
                fail("Non-identical buffers equal", b, b2);
            }
            if (b.compareTo(b2) <= 0)
            {
                fail("Comparison to lesser buffer <= 0", b, b2);
            }

            // Sub, dup

            relPut(b);
            relGet(b.duplicate());
            b.position(13);
            relGet(b.duplicate(), 13);
            relGet(b.duplicate().slice(), 13);
            relGet(b.slice(), 13);
            relGet(b.slice().duplicate(), 13);

            // Slice

            b.position(5);
            ByteBufferN sb = b.slice();

            checkSlice(b, sb);
            b.position(0);
            ByteBufferN sb2 = sb.slice();

            checkSlice(sb, sb2);

            if (!sb.equals(sb2))
            {
                fail("Sliced slices do not match", sb, sb2);
            }
            if ((sb.hasArray()) && (sb.arrayOffset() != sb2.arrayOffset()))
            {
                fail("Array offsets do not match: "
                     + sb.arrayOffset() + " != " + sb2.arrayOffset(), sb, sb2);
            }


            // Views

            b.clear();
            b.order(ByteOrder.BIG_ENDIAN);
            testViews(level + 1, b, direct);

            for (int i = 1; i <= 9; i++)
            {
                b.position(i);
                show(level + 1, b);
                testViews(level + 2, b, direct);
            }

            b.position(0);
            b.order(ByteOrder.LITTLE_ENDIAN);
            testViews(level + 1, b, direct);

            // Heterogeneous accessors

            b.order(ByteOrder.BIG_ENDIAN);
            for (int i = 0; i <= 9; i++)
            {
                b.position(i);
                testHet(level + 1, b);
            }
            b.order(ByteOrder.LITTLE_ENDIAN);
            b.position(3);
            testHet(level + 1, b);


            // Read-only views

            /* TODO
             * b.rewind();
             * ByteBuffer rb = b.asReadOnlyBuffer();
             * if (!b.equals(rb))
             *  fail("BufferN not equal to read-only view", b, rb);
             * show(level + 1, rb);
             *
             * tryCatch(b, typeof(ReadOnlyBufferException), () => { relPut(rb); });
             *
             * tryCatch(b, typeof(ReadOnlyBufferException), () => { absPut(rb); });
             *
             * tryCatch(b, typeof(ReadOnlyBufferException), () => { bulkPutArray(rb); });
             *
             * tryCatch(b, typeof(ReadOnlyBufferException), () => { bulkPutBuffer(rb); });
             *
             * tryCatch(b, typeof(ReadOnlyBufferException), () => { rb.compact(); });
             *
             *
             * tryCatch(b, typeof(ReadOnlyBufferException), () => { rb.putChar((char)1); });
             * tryCatch(b, typeof(ReadOnlyBufferException), () => { rb.putChar(0, (char)1); });
             *
             * tryCatch(b, typeof(ReadOnlyBufferException), () => { rb.putShort(1); });
             * tryCatch(b, typeof(ReadOnlyBufferException), () => { rb.putShort(0, 1); });
             *
             * tryCatch(b, typeof(ReadOnlyBufferException), () => { rb.putInt(1); });
             * tryCatch(b, typeof(ReadOnlyBufferException), () => { rb.putInt(0, 1); });
             *
             * tryCatch(b, typeof(ReadOnlyBufferException), () => { rb.putLong(1); });
             * tryCatch(b, typeof(ReadOnlyBufferException), () => { rb.putLong(0, 1); });
             *
             * tryCatch(b, typeof(ReadOnlyBufferException), () => { rb.putFloat(1); });
             * tryCatch(b, typeof(ReadOnlyBufferException), () => { rb.putFloat(0, 1); });
             *
             * tryCatch(b, typeof(ReadOnlyBufferException), () => { rb.putDouble(1); });
             * tryCatch(b, typeof(ReadOnlyBufferException), () => { rb.putDouble(0, 1); });
             *
             *
             * // Bulk puts from read-only buffers
             *
             * b.clear();
             * rb.rewind();
             * b.put(rb);
             *
             *
             * // For byte buffers, test both the direct and non-direct cases
             * ByteBuffer ob
             *  = (b.isDirect()
             *         ? ByteBuffer.allocate(rb.capacity())
             *         : ByteBuffer.allocateDirect(rb.capacity()));
             * rb.rewind();
             * ob.put(rb);
             *
             *
             */
            relPut(b); // Required by testViews
        }
Beispiel #18
0
 private static void tryCatch(byte[] t, Type ex, Action thunk)
 {
     tryCatch(ByteBufferN.wrap(t), ex, thunk);
 }