assertDoesNotThrow(() -> InputValidator.validateBufferSize(0, 1000, "test"));
        assertDoesNotThrow(() -> InputValidator.validateBufferSize(1000, 1000, "test"));
    }

    @Test
    @DisplayName("Test invalid buffer size validation")
    void testInvalidBufferSize() {
        assertThrows(IllegalArgumentException.class, () -> InputValidator.validateBufferSize(-1, 1000, "test"));

    public void test_deleteElevateWord() {
        try {
            suggestHelper.deleteElevateWord("test", true);
            assertTrue(true);
        } catch (Exception e) {
            assertTrue(true);
        }
    }

    public void test_addElevateWord() {
        try {
            suggestHelper.addElevateWord("test", "reading", new String[] { "tag1" }, new String[] { "role1" }, 1.0f, true);
            assertTrue(true);

import com.google.common.testing.ClassSanityTester;
import java.util.Arrays;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Unit tests for {@link HashCode}.
 *
 * @author Dimitris Andreou
 * @author Kurt Alfred Kluever
 */
@NullUnmarked
public class HashCodeTest extends TestCase {
  // note: asInt(), asLong() are in little endian

   * works better than Ordering.natural().nullsFirst() because, if null comes before all other
   * values, it lies outside the submap/submultiset ranges we test, and the variety of tests that
   * exercise null handling fail on those subcollections.
   */
  public abstract static class NullsBefore implements Comparator<@Nullable String>, Serializable {
    private final String justAfterNull;

  }

  /**
   * This test checks an implementation dependent feature. It tests that the method {@code addEdge}
   * will silently add the missing nodes to the graph, then add the edge connecting them. We are not
   * using the proxy methods here as we want to test {@code addEdge} when the end-points are not
   * elements of the graph.
   */
  @Test
  public void addEdge_nodesNotInGraph() {

    assertThat((long) arraysDim1 * arraysDim2).isNotEqualTo((long) (arraysDim1 * arraysDim2));

    byte[][] arrays = new byte[arraysDim1][];
    // it's shared to avoid using too much memory in tests
    byte[] sharedArray = new byte[arraysDim2];
    Arrays.fill(arrays, sharedArray);

    try {
      Bytes.concat(arrays);
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

  }

  /**
   * This test checks an implementation dependent feature. It tests that the method {@code addEdge}
   * will silently add the missing nodes to the graph, then add the edge connecting them. We are not
   * using the proxy methods here as we want to test {@code addEdge} when the end-points are not
   * elements of the graph.
   */
  @Test
  public void addEdge_nodesNotInGraph() {

import junit.framework.Test;
import junit.framework.TestSuite;

/**
 * Generates a test suite covering the {@link Set} implementations in the {@link java.util} package.
 * Can be subclassed to specify tests that should be suppressed.
 *
 * @author Kevin Bourrillion
 */
@GwtIncompatible
public class TestsForSetsInJavaUtil {
  public static Test suite() {
    return new TestsForSetsInJavaUtil().allTests();

import java.util.List;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link Throwables}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@SuppressWarnings("deprecation") // tests of numerous deprecated methods
@NullUnmarked
public class ThrowablesTest extends TestCase {

import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@link Closer}.
 *
 * @author Colin Decker
 */
@NullUnmarked
public class CloserTest extends TestCase {

  private TestSuppressor suppressor;

  @Override
  protected void setUp() throws Exception {