+ "sollicitudin quam. Praesent neque elit, sodales quis vestibulum vel, pellentesque nec "
          + "erat. Proin cursus commodo lacus eget congue. Aliquam erat volutpat. Fusce ut leo sed "
          + "risus tempor vehicula et a odio. Nam aliquet dolor viverra libero rutrum accumsan "
          + "quis in augue. Suspendisse id dui in lorem tristique placerat eget vel risus. Sed "

  public void testOr_T_present() {
    assertEquals("a", Optional.of("a").or("default"));
  }

  public void testOr_T_absent() {
    assertEquals("default", Optional.absent().or("default"));
  }

  @SuppressWarnings("OptionalOfRedundantMethod") // Unit tests for Optional
  public void testOr_supplier_present() {

          + "sollicitudin quam. Praesent neque elit, sodales quis vestibulum vel, pellentesque nec "
          + "erat. Proin cursus commodo lacus eget congue. Aliquam erat volutpat. Fusce ut leo sed "
          + "risus tempor vehicula et a odio. Nam aliquet dolor viverra libero rutrum accumsan "
          + "quis in augue. Suspendisse id dui in lorem tristique placerat eget vel risus. Sed "

    }

    @Test
    void testEquals() {
        ToolchainModel tm1 = new ToolchainModel();
        tm1.setType("jdk");
        tm1.addProvide("version", "1.5");
        tm1.addProvide("vendor", "sun");
        Xpp3Dom configuration1 = new Xpp3Dom("configuration");
        Xpp3Dom jdkHome1 = new Xpp3Dom("jdkHome");
        jdkHome1.setValue("${env.JAVA_HOME}");
        configuration1.addChild(jdkHome1);

  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testOr_serializationNoArgs() {
    checkSerialization(Predicates.or());
  }

  public void testOr_applyOneArg() {
    assertEvalsToTrue(Predicates.or(TRUE));
    assertEvalsToFalse(Predicates.or(FALSE));
  }

  public void testOr_equalityOneArg() {
    new EqualsTester()

  /** Java Runtime Environment vendor. */
  JAVA_VENDOR("java.vendor"),

  /** Java vendor URL. */
  JAVA_VENDOR_URL("java.vendor.url"),

  /** Java installation directory. */
  JAVA_HOME("java.home"),

  /** Java Virtual Machine specification version. */
  JAVA_VM_SPECIFICATION_VERSION("java.vm.specification.version"),

  /** Java Virtual Machine specification vendor. */