int offset = 0;
        int size = 3;

        // Simulate successful verification
        when(mockResponse.verifySignature(buffer, offset, size)).thenReturn(true);
        assertTrue(mockResponse.verifySignature(buffer, offset, size));

        // Simulate failed verification
        when(mockResponse.verifySignature(buffer, offset, size)).thenReturn(false);

	if r.i >= int64(len(r.s)) {
		return 0
	}
	return int(int64(len(r.s)) - r.i)
}

// Size returns the original length of the underlying byte slice.
// Size is the number of bytes available for reading via [Reader.ReadAt].
// The result is unaffected by any method calls except [Reader.Reset].
func (r *Reader) Size() int64 { return int64(len(r.s)) }

// Read implements the [io.Reader] interface.

     * Returns the default page size if not set or invalid.
     *
     * @return the page size
     */
    public int getPageSize() {
        if (pageSize <= 0) {
            pageSize = getDefaultPageSize();
        }
        return pageSize;
    }

    /**
     * Sets the number of records per page.
     *
     * @param pageSize the page size
     */

    Multimap<String, Integer> filtered = filterValues(keyFiltered, VALUE_PREDICATE);
    assertEquals(1, filtered.size());
    assertTrue(filtered.containsEntry("foo", 1));
    assertTrue(filtered.keySet().retainAll(asList("cat", "dog")));
    assertEquals(0, filtered.size());
  }

  // TODO(jlevy): Many more tests needed.

        this.maximumSize == UNSET_INT, "maximum size was already set to %s", this.maximumSize);
    checkState(
        this.maximumWeight == UNSET_INT,
        "maximum weight was already set to %s",
        this.maximumWeight);
    checkState(this.weigher == null, "maximum size can not be combined with weigher");
    checkArgument(maximumSize >= 0, "maximum size must not be negative");
    this.maximumSize = maximumSize;

    multiset.add("foo", 2);
    multiset.add("bar");
    assertEquals(3, multiset.size());
    assertEquals(2, multiset.count("foo"));
  }

  public void testCreateWithSize() {
    Multiset<String> multiset = HashMultiset.create(50);
    multiset.add("foo", 2);
    multiset.add("bar");
    assertEquals(3, multiset.size());
    assertEquals(2, multiset.count("foo"));
  }

  public void testCreateFromIterable() {

        assertEquals(1, violations.size());
        assertTrue(violations.iterator().next().getPropertyPath().toString().contains("defaultCron"));

        // Validate special group
        violations = validator.validate(bean, SpecialGroup.class);
        assertEquals(1, violations.size());

  }

  public void test() {
    for (int groupNumber = 0; groupNumber < groups.size(); groupNumber++) {
      ImmutableList<T> group = groups.get(groupNumber);
      for (int itemNumber = 0; itemNumber < group.size(); itemNumber++) {
        // check related items in same group
        for (int relatedItemNumber = 0; relatedItemNumber < group.size(); relatedItemNumber++) {
          if (itemNumber != relatedItemNumber) {

     * @return estimated compression ratio (0.0 to 1.0, where 0.5 means 50% size reduction)
     */
    double estimateCompressionRatio(byte[] data, int algorithm);

    /**
     * Gets the minimum data size threshold for compression.
     * Data smaller than this threshold should not be compressed.
     *
     * @return minimum size in bytes for compression to be beneficial
     */
    int getMinCompressionSize();

        assertEquals(0, leaseContext.getLeaseFlags());
    }

    @Test
    @DisplayName("Should calculate correct size")
    void testSize() {
        int expectedSize = 16 + 4 + 4 + 32; // header + name + padding + data
        assertEquals(expectedSize, leaseContext.size());
    }

    @Test
    @DisplayName("Should set and get lease key")
    void testLeaseKeyAccessors() {