final EnumerationIterator<String> itr = new EnumerationIterator<String>(vector.elements());
        itr.remove();
    }

    /**
     * @throws Exception
     */
    @Test
    public void testNext() throws Exception {
        final EnumerationIterator<String> itr = new EnumerationIterator<String>(new Vector<String>().elements());
        assertThat(itr.hasNext(), is(not(true)));
    }

    /**

        assertThat(emptyIterator.hasNext(), is(false));
    }

    /**
     * Test method for {@link org.codelibs.core.collection.EmptyIterator#next()}.
     */
    @Test
    public void testNext() {
        exception.expect(ClUnsupportedOperationException.class);
        exception.expectMessage(is("next"));
        final EmptyIterator<String> emptyIterator = new EmptyIterator<String>();
        emptyIterator.next();

    /**
     * @see org.junit.rules.ExpectedException
     */
    @Rule
    public ExpectedException exception = ExpectedException.none();

    /**
     *
     */
    @Test
    public void testNext() {
        final ArrayIterator<String> itr = new ArrayIterator<String>("a", "b", "c");
        assertThat(itr.next(), equalTo("a"));
        assertThat(itr.next(), equalTo("b"));
        assertThat(itr.next(), equalTo("c"));

        // Then
        assertEquals(expiration, result);
        verify(mockReferralData).getExpiration();
    }

    @Test
    @DisplayName("Should get next referral")
    void testNext() {
        // Given
        DfsReferralData nextReferral = mock(DfsReferralData.class);
        when(mockReferralData.next()).thenReturn(nextReferral);

        // When

            assertDoesNotThrow(() -> concreteImplementation.stripPathConsumed(0));
        }

        @Test
        @DisplayName("Should return next referral data")
        void testNext() {
            // Test with mock
            when(mockReferralData.next()).thenReturn(mockReferralData);
            DfsReferralDataInternal next = mockReferralData.next();
            assertSame(mockReferralData, next);

            assertEquals(second, third.next());
            assertEquals(referralData, second.next());
        }

        @Test
        @DisplayName("Should handle next() correctly")
        void testNext() {
            DfsReferralDataImpl second = new DfsReferralDataImpl();
            referralData.append(second);

            DfsReferralDataImpl next = referralData.next();
            assertSame(second, next);

	// utf8.RuneError.
	for _, r := range []rune{-1, utf8.MaxRune + 1} {
		var buf Buffer
		buf.WriteRune(r)
		check(t, fmt.Sprintf("TestWriteInvalidRune (%d)", r), &buf, "\uFFFD")
	}
}

func TestNext(t *testing.T) {
	b := []byte{0, 1, 2, 3, 4}
	tmp := make([]byte, 5)
	for i := 0; i <= 5; i++ {
		for j := i; j <= 5; j++ {
			for k := 0; k <= 6; k++ {
				// 0 <= i <= j <= 5; 0 <= k <= 6