// more excruciating tests! Hooray!

    assertSame(CharMatcher.any(), CharMatcher.none().negate());
    assertSame(CharMatcher.none(), CharMatcher.any().negate());

    assertSame(WHATEVER, CharMatcher.any().and(WHATEVER));
    assertSame(CharMatcher.any(), CharMatcher.any().or(WHATEVER));

    assertSame(CharMatcher.none(), CharMatcher.none().and(WHATEVER));
    assertSame(WHATEVER, CharMatcher.none().or(WHATEVER));
  }

import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyInt;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyBoolean;

        List<Rule> rules = ruleManager.getRules();
        assertEquals(3, rules.size());

        // All should be the same instance
        assertSame(testRule, rules.get(0));
        assertSame(testRule, rules.get(1));
        assertSame(testRule, rules.get(2));
    }

    /**
     * Test property changes after registration
     */
    public void test_propertyChangesAfterRegistration() {

import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.ArgumentMatchers.eq;

    Converter<String, String> stringIdentityConverter = Converter.identity();

    assertSame(stringIdentityConverter, stringIdentityConverter.reverse());
    assertSame(STR_TO_LONG, stringIdentityConverter.andThen(STR_TO_LONG));

    assertSame(STR_VAL, stringIdentityConverter.convert(STR_VAL));
    assertSame(STR_VAL, stringIdentityConverter.reverse().convert(STR_VAL));

    for (LoadingCache<Key, String> cache : caches()) {
      Key key1 = new Key(1);
      String value1 = key1.toString();
      Key key2 = new Key(2);
      String value2 = key2.toString();
      assertSame(value1, cache.getUnchecked(key1));
      assertSame(value2, cache.getUnchecked(key2));
      assertEquals(ImmutableSet.of(key1, key2), cache.asMap().keySet());
      assertThat(cache.asMap().values()).containsExactly(value1, value2);
      assertEquals(

        assertSame(jobExecutor, execJob.jobExecutor);
        assertSame(execJob, result);
    }

    // Test sessionId setter
    public void test_sessionId() {
        String testSessionId = "test-session-123";
        ExecJob result = execJob.sessionId(testSessionId);
        assertEquals(testSessionId, execJob.sessionId);
        assertSame(execJob, result);
    }

        response.setResults(entries);

        FileEntry[] retrievedEntries = response.getResults();
        assertSame(entries, retrievedEntries);
        assertEquals(2, retrievedEntries.length);
        assertSame(mockFileEntry1, retrievedEntries[0]);
        assertSame(mockFileEntry2, retrievedEntries[1]);
    }

    @Test
    @DisplayName("Test nextElement method")
    void testNextElement() {

package jcifs;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Properties;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;