// Simulate the shutdown hook being run
        spyContext.run();

        assertTrue(spyContext.isCloseCalled()); // Verify close() was called
        // We can't directly assert on log.warn, but we've covered the path
    }

            CollectionFeature.GENERAL_PURPOSE,
            CollectionFeature.ALLOWS_NULL_VALUES,
            CollectionFeature.KNOWN_ORDER,
            CollectionSize.ANY)
        .skipCollectionTests() // already covered in TestsForListsInJavaUtil
        .suppressing(suppressForLinkedList())
        .createTestSuite();
  }

  public Test testsForArrayBlockingQueue() {
    return QueueTestSuiteBuilder.using(

        assertTrue(exception instanceof CIFSException, "NbtException should be an instance of CIFSException");
    }

    /**
     * Test the getErrorString method with various error classes and codes to ensure all branches are covered.
     */
    @ParameterizedTest
    @MethodSource("provideErrorClassAndCodeForGetErrorString")
    @DisplayName("getErrorString should return correct messages for all defined error classes and codes")

    /**
     * Checks whether a connection can be reused for the given configuration.
     *
     * @param tc the CIFS context to check compatibility with
     * @param forceSigning whether signing is being forced
     * @return whether a connection can be reused for this config
     */
    boolean canReuse(CIFSContext tc, boolean forceSigning);

import com.google.caliper.Param;
import org.jspecify.annotations.NullUnmarked;

/**
 * Benchmarks against the Apache Commons Math utilities.
 *
 * <p>Note: the Apache benchmarks are not open sourced to avoid the extra dependency.
 *
 * @author Louis Wasserman
 */
@NullUnmarked
public class ApacheBenchmark {
  private enum Impl {
    GUAVA {
      @Override
      public double factorialDouble(int n) {

import com.google.caliper.Param;
import org.jspecify.annotations.NullUnmarked;

/**
 * Benchmarks against the Apache Commons Math utilities.
 *
 * <p>Note: the Apache benchmarks are not open sourced to avoid the extra dependency.
 *
 * @author Louis Wasserman
 */
@NullUnmarked
public class ApacheBenchmark {
  private enum Impl {
    GUAVA {
      @Override
      public double factorialDouble(int n) {

            CollectionFeature.GENERAL_PURPOSE,
            CollectionFeature.ALLOWS_NULL_VALUES,
            CollectionFeature.KNOWN_ORDER,
            CollectionSize.ANY)
        .skipCollectionTests() // already covered in TestsForListsInJavaUtil
        .suppressing(suppressForLinkedList())
        .createTestSuite();
  }

  public Test testsForArrayBlockingQueue() {
    return QueueTestSuiteBuilder.using(

There have been many tools created before that have helped inspire its creation.

I have been avoiding the creation of a new framework for several years. First I tried to solve all the features covered by **FastAPI** using many different frameworks, plug-ins, and tools.

    public Set<K> keySet() {
      /*
       * We can't use StandardKeySet, as NavigableMapTestSuiteBuilder assumes that our keySet is a
       * NavigableSet. We test StandardKeySet in the superclass, so it's still covered.
       */
      return navigableKeySet();
    }

    @Override
    public Collection<V> values() {
      return new StandardValues();
    }

    @Override
    public String toString() {

        // sure interpolation of the directories below uses translated paths.
        // Afterward, we'll double back and translate any paths that weren't covered during interpolation via the
        // code below...
        translatedPrefixes.add("build.directory");
        translatedPrefixes.add("build.outputDirectory");
        translatedPrefixes.add("build.testOutputDirectory");