assertEquals(17, JvmUtil.getJavaVersion());

        System.setProperty("java.version", "8.0.332");
        assertEquals(8, JvmUtil.getJavaVersion());

        // Edge case: version starts with 1 but not old format
        System.setProperty("java.version", "18.0.1");
        assertEquals(18, JvmUtil.getJavaVersion());

        // Test with extra parts

    private var done: Boolean = false

    /**
     * Prevents this editor from completing normally. This is necessary either when the edit causes
     * an I/O error, or if the target entry is evicted while this editor is active. In either case
     * we delete the editor's created files and prevent new files from being created. Note that once

   * authenticator. This gives the authenticator the option to customize the CONNECT request. It can
   * decline to do so by returning null, in which case OkHttp will use it as-is.
   */
  @Throws(IOException::class)
  private fun createTunnelRequest(route: Route): Request {
    val proxyConnectRequest =
      Request
        .Builder()

        annotations = new ArrayList<>();
        for (Annotation a : classOrMethod.getDeclaredAnnotations()) {
          /*
           * We avoid reflecting on NullMarked because its @Target(..., MODULE) causes problems
           * under JDK 8.
           */
          if (!(a instanceof NullMarked)
              && a.annotationType().isAnnotationPresent(TesterAnnotation.class)) {
            annotations.add(a);

        sut.close();

        verify(handle, never()).close(anyLong());
    }

    // Invalid input: constructing with null handle and invoking watch() NPEs
    @Test
    @DisplayName("Null handle causes NPE on watch() (invalid input)")
    void constructor_nullHandle_watch_throwsNPE() {
        SmbWatchHandleImpl sut = new SmbWatchHandleImpl(null, 0, false);

        assertThrows(NullPointerException.class, () -> {

import org.codelibs.fess.unit.UnitFessTestCase;

public class SystemUtilTest extends UnitFessTestCase {

    public void test_getSearchEngineHttpAddress_null() {
        // Clear the system property to test null case
        String originalValue = System.getProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);
        System.clearProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);

        try {

        assertEquals(0, tree.connectionState);
    }

    @Test
    void testMatches() {
        SmbTree tree = new SmbTree(session, "testShare", "testService");

        // Test matching share and service (case insensitive)
        assertTrue(tree.matches("testShare", "testService"));
        assertTrue(tree.matches("TESTSHARE", "testService"));
        assertTrue(tree.matches("testshare", "TESTSERVICE"));

                    ExceptionWithGoodAndBadConstructor.class,
                    1,
                    SECONDS));
    assertThat(expected).hasCauseThat().isSameInstanceAs(CHECKED_EXCEPTION);
  }

  // Edge case tests of the exception-construction code through untimed get():

  @SuppressWarnings("FuturesGetCheckedIllegalExceptionType")
  public void testGetCheckedUntimed_exceptionClassIsRuntimeException() {
    assertThrows(

 * to the methods of the delegate. For example, overriding {@link #add} alone <i>will not</i> change
 * the behavior of {@link #addAll}, which can lead to unexpected behavior. In this case, you should
 * override {@code addAll} as well, either providing your own implementation, or delegating to the
 * provided {@code standardAddAll} method.
 *

        byte[] copiedFileId = new byte[16];
        System.arraycopy(buffer, 8, copiedFileId, 0, 16);
        assertArrayEquals(newFileId, copiedFileId);
    }

    @Test
    @DisplayName("Test edge case with minimum buffer size")
    void testMinimumBufferSize() {
        byte[] buffer = new byte[24]; // Exact size needed

        int written = request.writeBytesWireFormat(buffer, 0);