String[] names2 = invokerAssistant.assistClientInvokeNames();
        assertSame(names1, names2);

        // Test assistByPassInvokeNames consistency
        String[] bypass1 = invokerAssistant.assistByPassInvokeNames();
        String[] bypass2 = invokerAssistant.assistByPassInvokeNames();
        assertSame(bypass1, bypass2);

        // Test assistBehaviorExceptionThrower returns new instance each time

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

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

/**

  @IgnoreJRERequirement // TODO: b/288085449 - Remove this once we use library-desugaring scents.
  public void testAdvance() {
    FakeTicker ticker = new FakeTicker();
    assertEquals(0, ticker.read());
    assertSame(ticker, ticker.advance(10));
    assertEquals(10, ticker.read());
    ticker.advance(1, MILLISECONDS);
    assertEquals(1000010L, ticker.read());
    ticker.advance(Duration.ofMillis(1));

    assertSame(
        "copyOf(ImmutableSetMultimap) should not create a new instance",
        setMultimap,
        setMultimapCopy);

    ImmutableListMultimap<String, String> listMultimap = ImmutableListMultimap.of("k1", "v1");
    ImmutableMultimap<String, String> listMultimapCopy = ImmutableMultimap.copyOf(listMultimap);
    assertSame(

        assertTrue(corsHandlerFactory.wasGetCalled());
        assertTrue(handler.wasProcessCalled());
        assertEquals(origin, handler.getLastOrigin());
        assertSame(mockRequest, handler.getLastRequest());
        assertSame(mockResponse, handler.getLastResponse());
        assertEquals(0, mockResponse.getStatus()); // Status not set for non-OPTIONS
    }

/**
 * Unit tests for {@link Runnables}.
 *
 * @author Olivier Pernet
 */
@GwtCompatible
@NullUnmarked
public class RunnablesTest extends TestCase {
  public void testDoNothingRunnableIsSingleton() {
    assertSame(Runnables.doNothing(), Runnables.doNothing());
  }

            .put("foo", 'o')
            .put("foo", 'o')
            .put("poo", 'p')
            .put("poo", 'o')
            .put("poo", 'o')
            .build();
    assertSame(multimap.inverse(), multimap.inverse());
    assertSame(multimap, multimap.inverse().inverse());
  }

  private static <K, V> void assertMultimapEquals(
      Multimap<K, V> multimap, Object... alternatingKeysAndValues) {

    assertSame(sb1FromIterable, joiner.appendTo(sb1FromIterable, set));
    assertEquals(0, sb1FromIterable.length());

    StringBuilder sb1FromIterator = new StringBuilder();
    assertSame(sb1FromIterator, joiner.appendTo(sb1FromIterator, set));
    assertEquals(0, sb1FromIterator.length());

    StringBuilder sb2 = new StringBuilder();
    assertSame(sb2, joiner.appendTo(sb2, array));

import static org.junit.jupiter.api.Assertions.assertFalse;
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.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anySet;

        assertSame(innerMap, result);
    }

    // Test getDataMap with regular Map
    public void test_getDataMapWithRegularMap() {
        Map<String, Object> regularMap = new HashMap<>();
        regularMap.put("key1", "value1");

        Map<String, Object> result = DataStoreParams.getDataMap(regularMap);
        assertSame(regularMap, result);
    }