*       edition, Item 17).
 *   <li>Has the value-based (not identity-based) {@link #equals}, {@link #hashCode}, and {@link
 *       #toString} behavior you expect.
 *   <li>Offers useful operations beyond just {@code get} and {@code length}, so you don't have to
 *       hunt through classes like {@link Arrays} and {@link Doubles} for them.

 *       edition, Item 17).
 *   <li>Has the value-based (not identity-based) {@link #equals}, {@link #hashCode}, and {@link
 *       #toString} behavior you expect.
 *   <li>Offers useful operations beyond just {@code get} and {@code length}, so you don't have to
 *       hunt through classes like {@link Arrays} and {@link Ints} for them.

        Path nonExistentPath = tempDir.resolve("nonexistent.properties");
        System.setProperty("jcifs.properties", nonExistentPath.toString());

        // Expect no exception to be thrown, but an error logged (which we can't directly assert here)
        assertDoesNotThrow(() -> SingletonContext.init(null));
        assertNotNull(SingletonContext.getInstance()); // Should still initialize

  /** Tests that the {@link Future#get(long, TimeUnit)} method times out correctly. */
  public void testTimeoutOnGetWorksCorrectly() throws InterruptedException, ExecutionException {

    // The task thread waits for the latch, so we expect a timeout here.
    try {
      future.get(20, MILLISECONDS);
      fail("Should have timed out trying to get the value.");
    } catch (TimeoutException expected) {
    } finally {
      latch.countDown();
    }

     * ({@code project.build.outputDirectory} or {@code project.build.testOutputDirectory}),
     * not the project base directory. Maven 3 plugins (like maven-resources-plugin) expect to receive
     * the relative path and perform the resolution themselves.
     * </p>
     * <p>
     * <strong>Effect on Module and Target Version:</strong>

       * Reference iterator returned a value, so we should expect the
       * same value from the target
       */
      assertEquals(referenceReturnValue, targetReturnValue);

      return;
    }

    if (targetException == null) {
      fail("Target failed to throw " + referenceException);
    }

    /*
     * Reference iterator threw an exception, so we should expect an acceptable
     * exception from the target.

    // sepLoader is the loader that we will use to load the parallel FinalizableReferenceQueue (FRQ)
    // and friends, and that we will eventually expect to see garbage-collected. The assumption
    // is that the ClassLoader of this test is a URLClassLoader, and that it loads FRQ itself
    // rather than delegating to a parent ClassLoader. If this assumption is violated the test will

     */
    Collection<Phase> phases();

    /**
     * Collection of main phases for this lifecycle used with the Maven 3 builders.
     * Those builders do not operate on a graph, but on the list and expect a slightly
     * different ordering (mainly unit test being executed before packaging).
     *
     * @return the collection of phases in Maven 3 compatible ordering
     */
    default Collection<Phase> v3phases() {

    void createContext_edge_parameters_ok() throws Exception {
        TestCredentials creds = new TestCredentials("D", false, false, new Subject(), false);
        // Intentionally pass null/empty values for optional parameters; expect no exception
        SSPContext ctx1 = creds.createContext(mockContext, null, "", null, false);
        assertNotNull(ctx1);
    }

    @Nested
    @DisplayName("getSubject edge cases")
    class SubjectTests {

      }
    }
  }

  // Relies on the correctness of isPowerOfTwo(BigInteger).
  public void testLog2Exact() {
    for (BigInteger x : POSITIVE_BIGINTEGER_CANDIDATES) {
      // We only expect an exception if x was not a power of 2.
      boolean isPowerOf2 = BigIntegerMath.isPowerOfTwo(x);
      try {
        assertEquals(x, ZERO.setBit(BigIntegerMath.log2(x, UNNECESSARY)));
        assertTrue(isPowerOf2);