public void testReadChar() throws IOException {
        // 0x0041 is 'A'
        byte[] data = new byte[] { 0x00, 0x41, 0x00, 0x00 };
        PacDataInputStream pdis = createInputStream(data);
        assertEquals('A', pdis.readChar());
    }

    @Test
    public void testReadByte() throws IOException {
        byte[] data = new byte[] { 0x7F };
        PacDataInputStream pdis = createInputStream(data);

    assertEquals(false, in.readBoolean());
    assertEquals(100, in.readByte());
    assertEquals(-100, in.readByte());
    assertEquals(200, in.readUnsignedByte());
    assertEquals('\u6100', in.readChar());
    assertEquals(-12150, in.readShort());
    assertEquals(20675, in.readUnsignedShort());
    assertEquals(0xBEBAFECA, in.readInt());
    assertEquals(0xBEBAFECAEFBEADDEL, in.readLong());

    assertEquals(false, in.readBoolean());
    assertEquals(100, in.readByte());
    assertEquals(-100, in.readByte());
    assertEquals(200, in.readUnsignedByte());
    assertEquals('\u6100', in.readChar());
    assertEquals(-12150, in.readShort());
    assertEquals(20675, in.readUnsignedShort());
    assertEquals(0xBEBAFECA, in.readInt());
    assertEquals(0xBEBAFECAEFBEADDEL, in.readLong());

        }).when(raf).read(any(byte[].class), anyInt(), eq(2));
        assertEquals(0x1234, raf.readUnsignedShort());
        assertEquals((short) 0x1234, raf.readShort());
        assertEquals((char) 0x1234, raf.readChar());
    }

    @Test
    @DisplayName("readInt/Long/Float/Double: big-endian decoding")
    void read_multiByteVariants() throws Exception {

            try {
                for (int i = 0; i < iterations; i++) {
                    // This would cause ConcurrentModificationException with ArrayList
                    session.getSmbTree("readshare", null);
                    successCount.incrementAndGet();
                }
            } catch (Exception e) {
                exceptions.add(e);
            } finally {
                endLatch.countDown();