}

  @Test
  public void equivalent_nodeSetsDiffer() {
    network.addNode(N1);

    MutableNetwork<Integer, String> g2 = createNetwork(edgeType);
    g2.addNode(N2);

    assertThat(network).isNotEqualTo(g2);
  }

  // Node sets are the same, but edge sets differ.
  @Test
  public void equivalent_edgeSetsDiffer() {
    network.addEdge(N1, N2, E12);

class FileSourceTest {

    @Test
    void testFileSource() {
        NullPointerException e = assertThrows(
                NullPointerException.class,
                () -> new FileSource((File) null),
                "Should fail, since you must specify a file");
        assertEquals("file cannot be null", e.getMessage());
    }

    @Test
    void testGetInputStream() throws Exception {

@NullUnmarked
public class StandardSystemPropertyTest extends TestCase {

  public void testGetKeyMatchesString() {
    for (StandardSystemProperty property : StandardSystemProperty.values()) {
      String fieldName = property.name();
      String expected = Ascii.toLowerCase(fieldName).replaceAll("_", ".");
      assertEquals(expected, property.key());
    }
  }

  public void testGetValue() {

    @BeforeEach
    void setUp() {
        // Mock the SID object
        sidMock = mock(SID.class);
        // Create a new PacSidAttributes instance before each test
        pacSidAttributes = new PacSidAttributes(sidMock, attributes);
    }

    /**
     * Test method for {@link jcifs.pac.PacSidAttributes#PacSidAttributes(jcifs.smb.SID, int)}.
     */
    @Test
    void testConstructor() {

            }
            // If no credentials path, uses default credentials (GOOGLE_APPLICATION_CREDENTIALS env var)
        }

        this.storage = builder.build().getService();
    }

    @Override
    public void uploadObject(final String objectName, final InputStream inputStream, final long size, final String contentType) {
        try {
            final BlobId blobId = BlobId.of(bucket, objectName);

  }

  /** Set the OAuth session for this client. */
  public synchronized void initOauthSession(OAuthSession session) {
    this.session = session;
    this.notifyAll();
  }

  /** Waits for an OAuth session for this client to be set. */
  public synchronized void awaitAccessToken(Timeout timeout) throws InterruptedIOException {
    while (session == null) {

            return (boolean) getFieldValue("dataDone");
        }

        boolean isHasMore() {
            return hasMore;
        }

        void setErrorCode(int code) {
            errorCode = code;
        }

        void setHasMore(boolean val) {
            hasMore = val;
        }

        boolean getParametersDone() {
            return (boolean) getFieldValue("parametersDone");

        return aliases;
    }

    public Stream<MavenProject> projects() {
        return plan.keySet().stream();
    }

    public void addProject(MavenProject project, Map<String, BuildStep> steps) {
        plan.put(project, steps);
    }

    public void addStep(MavenProject project, String name, BuildStep step) {
        plan.get(project).put(name, step);
    }

    public Stream<BuildStep> allSteps() {

    assertEquals(bimap3, emptyBimap);
  }

  @GwtIncompatible // keyType
  public void testKeyType() {
    EnumBiMap<Currency, Country> bimap = EnumBiMap.create(Currency.class, Country.class);
    assertEquals(Currency.class, bimap.keyType());
  }

  @GwtIncompatible // valueType
  public void testValueType() {
    EnumBiMap<Currency, Country> bimap = EnumBiMap.create(Currency.class, Country.class);

    }
  }

  public void test_useForNull_skipNulls() {
    Joiner j = Joiner.on("x").useForNull("y");
    assertThrows(UnsupportedOperationException.class, j::skipNulls);
  }

  public void test_skipNulls_useForNull() {
    Joiner j = Joiner.on("x").skipNulls();
    assertThrows(UnsupportedOperationException.class, () -> j.useForNull("y"));
  }

  public void test_useForNull_twice() {