@NullMarked
public class SingletonImmutableTableTest extends AbstractImmutableTableTest {
  private final ImmutableTable<Character, Integer, String> testTable =
      new SingletonImmutableTable<>('a', 1, "blah");

  public void testHashCode() {
    assertEquals(Objects.hash('a', 1, "blah"), testTable.hashCode());
  }

  public void testCellSet() {
    assertEquals(ImmutableSet.of(immutableCell('a', 1, "blah")), testTable.cellSet());
  }

        assertFalse(instance1.equals(null)); // Should not be equal to null
    }

    /**
     * Test of hashCode method, of class SmbShareInfo.
     */
    @Test
    void testHashCode() {
        SmbShareInfo instance1 = new SmbShareInfo("SHARE1", 0, "remark1");
        SmbShareInfo instance2 = new SmbShareInfo("SHARE1", 1, "remark2");

    assertFalse(Objects.equal(s1, null));
    assertFalse(Objects.equal(null, s1));
    assertFalse(Objects.equal("foo", "bar"));
    assertFalse(Objects.equal("1", 1));
  }

  public void testHashCode() throws Exception {
    int h1 = Objects.hashCode(1, "two", 3.0);
    int h2 = Objects.hashCode(Integer.valueOf(1), new String("two"), Double.valueOf(3.0));
    // repeatable
    assertEquals(h1, h2);

        assertNotEquals(key1, "not a lease key");
        assertEquals(key1, key1); // reflexive
    }

    @Test
    @DisplayName("Should implement hashCode correctly")
    void testHashCode() {
        byte[] testBytes1 = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10 };
        byte[] testBytes2 = Arrays.copyOf(testBytes1, 16);

// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class MapHashCodeTester<K, V> extends AbstractMapTester<K, V> {
  public void testHashCode() {
    int expectedHashCode = 0;
    for (Entry<K, V> entry : getSampleEntries()) {
      expectedHashCode += hash(entry);
    }
    assertEquals(

    assertThat(((SynchronizedSet<?>) entrySet).mutex).isSameInstanceAs(mutex);
  }

  public void testEquals() {
    boolean unused = create().equals(new HashMap<String, Integer>());
  }

  public void testHashCode() {
    int unused = create().hashCode();
  }

  public void testToString() {
    String unused = create().toString();
  }

  public void testSerialization() {

        assertVersionOlder("1.0-RC1", "1.0-SNAPSHOT");
        assertVersionOlder("1.0-rc1", "1.0-SNAPSHOT");
        assertVersionOlder("1.0-rc-1", "1.0-SNAPSHOT");
    }

    @Test
    void testHashCode() {
        ArtifactVersion v1 = newArtifactVersion("1");
        ArtifactVersion v2 = newArtifactVersion("1.0");
        assertTrue(v1.equals(v2), "Expected " + v1 + " to equal " + v2);

    assertFalse(entry(NK, 1).equals(control("bar", 1)));
    assertFalse(entry(NK, 1).equals(new Object()));
    assertFalse(entry(NK, 1).equals(null));
  }

  public void testHashCode() {
    assertEquals(control("foo", 1).hashCode(), entry("foo", 1).hashCode());
    assertEquals(control("bar", 2).hashCode(), entry("bar", 2).hashCode());
  }

  public void testHashCodeNull() {

        assertFalse(info.equals(null));
        assertFalse(info.equals(new Object()));
    }

    @Test
    @DisplayName("Test hashCode method")
    void testHashCode() {
        SmbShareInfo info1 = new SmbShareInfo(TEST_NET_NAME, 0, TEST_REMARK);
        SmbShareInfo info2 = new SmbShareInfo(TEST_NET_NAME, 1, "Different");

        // Same netName should have same hashCode

        .addEqualityGroup(table, hashCopy, reordered)
        .addEqualityGroup(smaller)
        .addEqualityGroup(swapOuter)
        .addEqualityGroup(swapValues)
        .testEquals();
  }

  public void testHashCode() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    int expected =
        Objects.hash("foo", 1, 'a') + Objects.hash("bar", 1, 'b') + Objects.hash("foo", 3, 'c');