return yStats.snapshot();
  }

  /**
   * Returns the population covariance of the values. The count must be non-zero.
   *
   * <p>This is guaranteed to return zero if the dataset contains a single pair of finite values. It
   * is not guaranteed to return zero when the dataset consists of the same pair of values multiple
   * times, due to numerical errors.
   *
   * <h3>Non-finite values</h3>
   *

        int expectedSize = 24 + 2 * defaultDialects.length;
        assertEquals(expectedSize, request.size());
    }

    @Test
    @DisplayName("Test size calculation with single dialect")
    void testSizeWithSingleDialect() {
        int[] singleDialect = new int[] { 0x0302 };
        ValidateNegotiateInfoRequest request =

    /**
     * Flags type
     */
    public static final int MsvAvFlags = 0x6;

    /**
     * Timestamp type
     */
    public static final int MsvAvTimestamp = 0x7;

    /**
     * Single host type
     */
    public static final int MsvAvSingleHost = 0x08;

    /**
     * Target name type
     */
    public static final int MsvAvTargetName = 0x09;

    /**
     * Channel bindings type

import org.apache.commons.lang3.StringUtils;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.dict.DictionaryItem;

/**
 * Dictionary item for protected words.
 * This class represents a single protected word entry in the dictionary.
 */
public class ProtwordsItem extends DictionaryItem {
    private final String input;

    private String newInput;

    /**
     * Constructor for ProtwordsItem.

    assertEquals(20, counter.skip(30));
    assertEquals(20, counter.getCount());
    assertEquals(0, counter.skip(20));
    assertEquals(20, counter.getCount());

    // Test reading a single byte while we're in the right state
    assertEquals(-1, counter.read());
    assertEquals(20, counter.getCount());
  }

  public void testReadArrayEOF() throws IOException {

import static org.junit.jupiter.api.Assertions.assertTrue;

import org.junit.jupiter.api.Test;
import org.mockito.Mockito;

/**
 * Tests for {@link SmbFilenameFilter}. Since the interface only defines
 * a single method, the tests simply ensure that the lambda expression
 * correctly implements the method and that any exception is propagated.
 */
class SmbFilenameFilterTest {

    @Test

* Keep commits discrete. Avoid including multiple unrelated changes in a single commit.
* Keep commits self-contained. Avoid spreading a single change across multiple commits. A single commit should make sense in isolation.

### Testing changes

After making changes, you can test your code in 2 ways:

#### Run tests

  /**
   * Device Control 1. Characters for the control of ancillary devices associated with data
   * processing or telecommunication systems, more especially switching devices "on" or "off." (If a
   * single "stop" control is required to interrupt or turn off ancillary devices, DC4 is the
   * preferred assignment.)
   *
   * @since 8.0
   */
  public static final byte DC1 = 17; // aka XON

  /**

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import java.util.Map;

/**
 * An implementation of {@link ImmutableTable} that holds a single cell.
 *
 * @author Gregory Kick
 */
@GwtCompatible
final class SingletonImmutableTable<R, C, V> extends ImmutableTable<R, C, V> {
  final R singleRowKey;
  final C singleColumnKey;
  final V singleValue;

        String[] roles = { "admin", "user", "manager" };
        FessUser user = new TestFessUser("testuser", roles, new String[] {}, new String[] {});
        assertArrayEquals(roles, user.getRoleNames());

        // Test with single role
        roles = new String[] { "user" };
        user = new TestFessUser("testuser", roles, new String[] {}, new String[] {});
        assertArrayEquals(roles, user.getRoleNames());

        // Test with empty roles