assertEquals(defaultThread.isDaemon(), thread.isDaemon());
    assertEquals(defaultThread.getPriority(), thread.getPriority());
    assertSame(defaultThread.getThreadGroup(), thread.getThreadGroup());
    assertSame(defaultThread.getUncaughtExceptionHandler(), thread.getUncaughtExceptionHandler());

    assertFalse(completed);
    thread.start();
    thread.join();
    assertTrue(completed);

            assertNotNull(copySubj);
            assertSame(cachedOrig, copySubj, "Clone should share the cached Subject reference");

            // Refreshing the original must not clear the clone's cached subject
            orig.refresh();
            // Clone should retain its cached Subject
            assertSame(copySubj, copy.getSubject(), "Clone should retain its cached Subject");
        } else {

    assertFalse(Strings.isNullOrEmpty("a"));
  }

  public void testPadStart_noPadding() {
    assertSame("", Strings.padStart("", 0, '-'));
    assertSame("x", Strings.padStart("x", 0, '-'));
    assertSame("x", Strings.padStart("x", 1, '-'));
    assertSame("xx", Strings.padStart("xx", 0, '-'));
    assertSame("xx", Strings.padStart("xx", 2, '-'));
  }

  public void testPadStart_somePadding() {

    original.put(1, "foo", 'a');
    assertSame(original.columnKeySet(), transpose.rowKeySet());
    assertSame(original.rowKeySet(), transpose.columnKeySet());
    assertSame(original.columnMap(), transpose.rowMap());
    assertSame(original.rowMap(), transpose.columnMap());
    assertSame(original.values(), transpose.values());
    assertEquals(original.row(1), transpose.column(1));

    for (Entry<Object, Object> entry : result.entrySet()) {
      Object key = entry.getKey();
      Object value = entry.getValue();
      assertSame(value, result.get(key));
      assertNull(result.get(value));
      assertSame(value, cache.asMap().get(key));
      assertSame(key, cache.asMap().get(value));
    }
  }

  public void testBulkLoad_clobber() throws ExecutionException {
    Object extraKey = new Object();

import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.Mockito.when;

import java.net.InetAddress;
import java.net.UnknownHostException;

import org.junit.jupiter.api.DisplayName;

        assertSame(mirrorA, mirrorSelector.getMirror(getRepo("a", "http://a.a"), mirrors));

        assertSame(mirrorB, mirrorSelector.getMirror(getRepo("b", "http://a.a"), mirrors));

        assertSame(mirrorC2, mirrorSelector.getMirror(getRepo("c", "http://c.c"), mirrors));

        assertSame(mirrorC, mirrorSelector.getMirror(getRepo("d", "http://d"), mirrors));

        String msg = "auth failed";

        // Act
        SmbAuthException ex = new SmbAuthException(msg, mockCause);

        // Assert
        assertEquals(msg, ex.getMessage());
        assertSame(mockCause, ex.getCause());
        assertSame(mockCause, ex.getRootCause());
        assertEquals(NtStatus.NT_STATUS_UNSUCCESSFUL, ex.getNtStatus());

        // Verify: constructor should not have interacted with the cause

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
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.Mockito.verifyNoInteractions;

import org.junit.jupiter.api.DisplayName;

    // 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));
  }