new char[] {'0', '1', '2', '3', '4', '5', '6'},
        -1,
        3,
        7,
        new char[] {'0', '1', '2', '4', '5', '6', '3'});
    testRotate(
        new char[] {'0', '1', '2', '3', '4', '5', '6'},
        0,
        3,
        7,
        new char[] {'0', '1', '2', '3', '4', '5', '6'});
    testRotate(
        new char[] {'0', '1', '2', '3', '4', '5', '6'},
        1,
        3,

    testRotate(new double[] {0, 1, 2, 3, 4, 5, 6}, -4, 3, 7, new double[] {0, 1, 2, 3, 4, 5, 6});
    testRotate(new double[] {0, 1, 2, 3, 4, 5, 6}, -3, 3, 7, new double[] {0, 1, 2, 6, 3, 4, 5});
    testRotate(new double[] {0, 1, 2, 3, 4, 5, 6}, -2, 3, 7, new double[] {0, 1, 2, 5, 6, 3, 4});
    testRotate(new double[] {0, 1, 2, 3, 4, 5, 6}, -1, 3, 7, new double[] {0, 1, 2, 4, 5, 6, 3});

    testRotate(new int[] {0, 1, 2, 3, 4, 5, 6}, -4, 3, 7, new int[] {0, 1, 2, 3, 4, 5, 6});
    testRotate(new int[] {0, 1, 2, 3, 4, 5, 6}, -3, 3, 7, new int[] {0, 1, 2, 6, 3, 4, 5});
    testRotate(new int[] {0, 1, 2, 3, 4, 5, 6}, -2, 3, 7, new int[] {0, 1, 2, 5, 6, 3, 4});
    testRotate(new int[] {0, 1, 2, 3, 4, 5, 6}, -1, 3, 7, new int[] {0, 1, 2, 4, 5, 6, 3});

    testRotate(new short[] {0, 1, 2, 3, 4, 5, 6}, -4, 3, 7, new short[] {0, 1, 2, 3, 4, 5, 6});
    testRotate(new short[] {0, 1, 2, 3, 4, 5, 6}, -3, 3, 7, new short[] {0, 1, 2, 6, 3, 4, 5});
    testRotate(new short[] {0, 1, 2, 3, 4, 5, 6}, -2, 3, 7, new short[] {0, 1, 2, 5, 6, 3, 4});
    testRotate(new short[] {0, 1, 2, 3, 4, 5, 6}, -1, 3, 7, new short[] {0, 1, 2, 4, 5, 6, 3});

        // Test write(byte[], int, int) method
        ContentOutputStream cos = new ContentOutputStream(10, Curl.tmpDir);
        byte[] data = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
        cos.write(data, 2, 3); // Write bytes at index 2, 3, 4
        assertTrue(cos.isInMemory());
        cos.close();
    }

    @Test

 */
@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);
    sink.putBytes(new byte[] {});
    sink.putBytes(new byte[] {8});
    HashCode unused = sink.hash();

    }

    public void test_readBytesWithOffset_delegatesToUnderlying() throws IOException {
        // Test that read(byte[], int, int) delegates to underlying stream
        byte[] data = "0123456789".getBytes();
        InputStream underlyingStream = new ByteArrayInputStream(data);
        IgnoreCloseInputStream stream = new IgnoreCloseInputStream(underlyingStream);

        byte[] buffer = new byte[10];

        CacheBuilder.newBuilder().concurrencyLevel(1).maximumSize(10).build(loader);
    CacheTesting.warmUp(cache, 0, 10);
    Set<Integer> keySet = cache.asMap().keySet();
    assertThat(keySet).containsExactly(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);

    // re-order
    getAll(cache, asList(0, 1, 2));
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).containsExactly(3, 4, 5, 6, 7, 8, 9, 0, 1, 2);

    // evict 3, 4, 5

     */
    @Test
    public void testIsNumver() throws Exception {
        assertFalse(StringUtil.isNumber(null));
        assertTrue(StringUtil.isNumber("0123456789"));
        assertFalse(StringUtil.isNumber("aaaBBBccc"));
        assertFalse(StringUtil.isNumber("０１２３４５６７８９"));
        assertFalse(StringUtil.isNumber(""));
        assertFalse(StringUtil.isNumber("01234abcdef"));
        assertFalse(StringUtil.isNumber("abcdef01234"));

        // Create a temporary file with test data
        File tempFile = File.createTempFile("test-", ".tmp");
        try (FileOutputStream fos = new FileOutputStream(tempFile)) {
            fos.write("0123456789".getBytes());
        }

        try (TemporaryFileInputStream stream = new TemporaryFileInputStream(tempFile)) {
            long skipped = stream.skip(5);
            assertEquals(5, skipped);