return fmt.Errorf("%w (offline-disks=%d/%d)", writeErr, countErrs(p.errs, errDiskNotFound), len(p.writers))
}

// Encode reads from the reader, erasure-encodes the data and writes to the writers.
func (e *Erasure) Encode(ctx context.Context, src io.Reader, writers []io.Writer, buf []byte, quorum int) (total int64, err error) {
	writer := &multiWriter{
		writers:     writers,
		writeQuorum: quorum,

import jcifs.BaseTest;

/**
 * Test class for Encdec utility functionality
 */
@DisplayName("Encdec Utility Tests")
class EncdecTest extends BaseTest {

    @Test
    @DisplayName("Should encode and decode 16-bit integers")
    void testInt16Operations() {
        // Given
        short value = 0x1234;
        byte[] buffer = new byte[2];

        // When - encode little endian
        Encdec.enc_uint16le(value, buffer, 0);

    }

    @Test
    public void test_unicode_base64_encoding() {
        // Test that unicode strings are properly encoded/decoded
        String unicodeString = "日本語テスト";
        String encoded = BaseEncoding.base64().encode(unicodeString.getBytes(StandardCharsets.UTF_8));
        String decoded = new String(BaseEncoding.base64().decode(encoded), StandardCharsets.UTF_8);

        assertEquals(unicodeString, decoded);
    }

    @Test

        final String encoded = Base64Util.encode(singleByte);
        assertNotNull("Encoded result should not be null", encoded);
        final byte[] decoded = Base64Util.decode(encoded);
        assertEquals("Decoded should have same length", 1, decoded.length);
        assertEquals("Decoded byte should match", singleByte[0], decoded[0]);
    }

    /**
     * Test encode with two bytes
     *

    }

    @ParameterizedTest(name = "decode({1}) -> {2}")
    @MethodSource("decodeProvider")
    void testDecode(String encoded, byte[] expected) {
        // Act
        byte[] actual = Base64.decode(encoded);
        // Assert
        assertArrayEquals(expected, actual, "Base64.decode should return original bytes");
    }

    @Test
    @DisplayName("encode should throw NPE on null input")
    void testEncodeNull() {

/**
 * Unit tests for {@link NdrHyper}.
 * <p>
 * The class only contains an encode/decode pair that delegates to
 * {@link NdrBuffer#enc_ndr_hyper(long)} and {@link NdrBuffer#dec_ndr_hyper()}.
 * The tests verify that:
 * <ul>
 *   <li>encoding and decoding round‑trip correctly handle typical, zero,
 *       and extreme {@code long} values.</li>
 *   <li>encode/decode methods interact correctly with a mocked

        Arrays.fill(dst, (byte) 0x55);

        // Act
        int written = enc.encode(dst, dstIndex);

        // Assert: reported written bytes matches size() and requested len.
        assertEquals(len, enc.size(), "size() must equal provided length");
        assertEquals(len, written, "encode() must return number of bytes written");

        // Assert: copied region equals the source slice.

    }

    /**
     * When given a buffer with sufficient length, decode performs
     * the inverse of encode.
     */
    @Test
    void decodeFromEncodedBuffer() throws NdrException {
        NdrShort ns = new NdrShort(123); // masked value 123 (already fits in 8 bits)
        buf.reset();
        ns.encode(buf);

        // Reset buffer to start for decoding
        buf.reset();

    }

    /**
     * Test case for the encode method.
     * Verifies that the encode method of a concrete implementation is called
     * and interacts with the NdrBuffer as expected.
     * @throws NdrException if encoding fails.
     */
    @Test
    void testEncode() throws NdrException {
        // When
        ndrObject.encode(mockBuffer);

        // Then

  val tag: Long,
  /** Encode and decode the value once tags are handled. */
  private val codec: Codec<T>,
  /** True if the default value should be used if this value is absent during decoding. */
  val isOptional: Boolean = false,
  /** The value to return if this value is absent. Undefined unless this is optional. */
  val defaultValue: T? = null,