Object key = new Object();
    Object value = new Object();
    LoadingCache<Object, Object> cache =
        builder.build(CacheLoader.from(Suppliers.ofInstance(value)));
    assertSame(value, cache.getUnchecked(key));
    assertEquals(0, cache.size());
    assertFalse(cache.asMap().containsKey(key));
  }

  public void testCacheBuilderFrom_string() {
    CacheBuilder<?, ?> fromString =

import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

        assertNotNull(resultData.getData());
        assertEquals("test data", new String(resultData.getData()));
        assertEquals(1, testTransformer.getTransformCallCount());
        assertSame(responseData, testTransformer.getLastResponseData());
    }

    /**
     * Test transform with null ResponseData
     */
    public void test_transform_nullResponseData() {

    assertTrue(asList(entrySetToArray1).containsAll(entrySet));

    Entry<?, ?>[] entrySetToArray2 = new Entry<?, ?>[map.size() + 2];
    entrySetToArray2[map.size()] = mapEntry("foo", 1);
    assertSame(entrySetToArray2, entrySet.toArray(entrySetToArray2));
    assertNull(entrySetToArray2[map.size()]);
    assertTrue(asList(entrySetToArray2).containsAll(entrySet));

    Object[] valuesToArray1 = valueCollection.toArray();

        StackTraceElement[] originalStackTrace = exception.getStackTrace();
        Throwable result = exception.fillInStackTrace();
        StackTraceElement[] newStackTrace = exception.getStackTrace();

        assertSame(exception, result);
        assertNotNull(newStackTrace);
        assertTrue(newStackTrace.length > 0);
    }

    public void test_getLocalizedMessage() {
        // Test getLocalizedMessage method

import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.lenient;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.lang.reflect.Field;

        // Test that getName() caches the result after first call
        String firstName = rankFusionSearcher.getName();
        String secondName = rankFusionSearcher.getName();
        assertSame(firstName, secondName);
        assertEquals("test_rank_fusion", firstName);
    }

    public void test_getName_customSearcherClass() {
        // Test with different searcher implementation

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.mock;
import static org.mockito.Mockito.spy;

            + "): "
            + Arrays.toString(actual),
        arrayEquals(expected, actual));
  }

  private static boolean arrayEquals(Object[] array1, Object[] array2) {
    assertSame(array1.getClass(), array2.getClass());
    return Arrays.equals(array1, array2);
  }

  private static void doTestNewArrayEquals(Object[] expected, int length) {

    Iterator<String> mod = Lists.newArrayList("a", "b", "c").iterator();
    UnmodifiableIterator<String> unmod = Iterators.unmodifiableIterator(mod);
    assertNotSame(mod, unmod);
    assertSame(unmod, Iterators.unmodifiableIterator(unmod));
    assertSame(unmod, Iterators.unmodifiableIterator((Iterator<String>) unmod));
  }

  @SuppressWarnings({"deprecation", "InlineMeInliner"}) // test of a deprecated method