Examples of io.netty.buffer.ByteBuf.writeZero()

io.netty.buffer.ByteBuf.writeZero()
Fills this buffer with NUL (0x00) starting at the current {@code writerIndex} and increases the {@code writerIndex} by thespecified {@code length}. @param length the number of NULs to write to the buffer @throws IndexOutOfBoundsException if {@code length} is greater than {@code this.writableBytes}

        int val = ByteBufUtils.readVarShort(buf);


        assertEquals("Two byte short read correctly", 32766, val);


        buf.clear();
        buf.writeZero(3);
        buf.clear();


        ByteBufUtils.writeVarShort(buf, 32768);
        assertArrayEquals("Three byte short written", new byte[] { -128, 0, 1}, buf.array());
        assertEquals("Three byte short written", 3, buf.readableBytes());

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        ByteBufUtils.writeVarShort(buf, 32768);
        assertArrayEquals("Three byte short written", new byte[] { -128, 0, 1}, buf.array());
        assertEquals("Three byte short written", 3, buf.readableBytes());


        buf.clear();
        buf.writeZero(3);
        buf.clear();
        buf.writeShort(-32768);
        buf.writeByte(1);
        val = ByteBufUtils.readVarShort(buf);
        assertEquals("Three byte short read correctly", 32768, val);

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        buf.writeByte(1);
        val = ByteBufUtils.readVarShort(buf);
        assertEquals("Three byte short read correctly", 32768, val);


        buf.clear();
        buf.writeZero(3);
        buf.clear();


        ByteBufUtils.writeVarShort(buf, 8388607);
        assertArrayEquals("Three byte short written", new byte[] { -1, -1, -1}, buf.array());
        assertEquals("Three byte short written", 3, buf.readableBytes());

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        ByteBufUtils.writeVarShort(buf, 8388607);
        assertArrayEquals("Three byte short written", new byte[] { -1, -1, -1}, buf.array());
        assertEquals("Three byte short written", 3, buf.readableBytes());


        buf.clear();
        buf.writeZero(3);
        buf.clear();
        buf.writeShort(-1);
        buf.writeByte(-1);
        val = ByteBufUtils.readVarShort(buf);
        assertEquals("Three byte short read correctly", 8388607, val);

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