assertEquals(testBytes[i], buffer[i + 2]);
        }
    }

    @Test
    @DisplayName("Should implement equals correctly")
    void testEquals() {
        byte[] testBytes1 = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10 };
        byte[] testBytes2 = Arrays.copyOf(testBytes1, 16);

var testString string // test data for write tests
var testBytes []byte  // test data; same as testString but as a slice.

type negativeReader struct{}

func (r *negativeReader) Read([]byte) (int, error) { return -1, nil }

func init() {
	testBytes = make([]byte, N)
	for i := 0; i < N; i++ {
		testBytes[i] = 'a' + byte(i%26)
	}
	testString = string(testBytes)
}

// Verify that contents of buf match the string s.

  @GwtIncompatible // java.nio.charset.Charset
  public void testIsWellFormed_1Byte() {
    testBytes(1, EXPECTED_ONE_BYTE_ROUNDTRIPPABLE_COUNT);
  }

  /** Tests that round tripping of all two byte permutations work. */
  @GwtIncompatible // java.nio.charset.Charset
  public void testIsWellFormed_2Bytes() {
    testBytes(2, EXPECTED_TWO_BYTE_ROUNDTRIPPABLE_COUNT);
  }

import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for AbstractStreamingHasher.
 *
 * @author Dimitris Andreou
 */
@NullUnmarked
public class AbstractStreamingHasherTest extends TestCase {
  public void testBytes() {
    Sink sink = new Sink(4); // byte order insignificant here
    byte[] expected = {1, 2, 3, 4, 5, 6, 7, 8};
    sink.putByte((byte) 1);
    sink.putBytes(new byte[] {2, 3, 4, 5, 6});
    sink.putByte((byte) 7);

            byte[] buffer = new byte[100];
            // Create "Test\0" in UTF-16LE with proper null terminator
            byte[] testBytes = Strings.getUNIBytes("Test");
            System.arraycopy(testBytes, 0, buffer, 0, 8);
            buffer[8] = 0; // null terminator low byte
            buffer[9] = 0; // null terminator high byte

class DocsTestProject(
    model: CIBuildModel,
    stage: Stage,
    val os: Os,
    testJava: JvmCategory,
    testTypes: List<DocsTestType>,
) : Project({
        id(asDocsTestId(model, os))
        name = "Docs Test - ${testJava.version.toCapitalized()} ${os.asName()}"
    }) {
    val docsTests = testTypes.map { DocsTest(model, stage, os, testJava, it) }

    init {
        docsTests.forEach(this::buildType)
    }
}

     */
    public void testEncodeDecode_RoundTrip() throws Exception {
        // Test with ASCII text
        final String text = "Hello, World!";
        final byte[] textBytes = text.getBytes("UTF-8");
        final String encoded = Base64Util.encode(textBytes);
        final byte[] decoded = Base64Util.decode(encoded);
        assertEquals("Round trip should preserve data", text, new String(decoded, "UTF-8"));

        @Test
        @DisplayName("Should not modify buffer beyond encoded area")
        void testEncodeDoesNotModifyBeyondArea() {
            // Given
            byte testByte = (byte) 0xFF;
            java.util.Arrays.fill(buffer, testByte);
            SrvCopychunk chunk = new SrvCopychunk(1024, 2048, 4096);

            // When
            chunk.encode(buffer, startIndex);

            // Then

        }

        @Test
        @DisplayName("Should not modify buffer beyond encoded area")
        void testEncodeDoesNotModifyBeyondArea() {
            // Given
            byte testByte = (byte) 0xEE;
            Arrays.fill(buffer, testByte);
            SrvCopychunk chunk = new SrvCopychunk(1, 2, 3);
            SrvCopychunkCopy copy = new SrvCopychunkCopy(sourceKey, chunk);
            int expectedSize = HEADER_SIZE + CHUNK_SIZE;