@Test
public void increment() {
range.incrementBy(2);
Iterator<Long> iterator = range.iterator();
assertThat(iterator.hasNext(), is(true));
assertThat(iterator.next(), is(1L));
assertThat(iterator.hasNext(), is(false));
}
@Test(expectedExceptions = NoSuchElementException.class)
public void overflow() {
Iterator<Long> iterator = range.iterator();
for (int i = 0; i < 4; i++) {
iterator.next();
}
}
@Test
public void singleton() {
range = new LongRange(0L, 1L);
Iterator<Long> iterator = range.iterator();
assertThat(iterator.hasNext(), is(true));
assertThat(iterator.next(), is(0L));
assertThat(iterator.hasNext(), is(false));
}
@Test
public void check() {
Iterator<Long> iterator = range.iterator();
assertThat(iterator.hasNext(), is(true));
assertThat(iterator.next(), is(1L));
assertThat(iterator.hasNext(), is(true));
assertThat(iterator.next(), is(2L));
assertThat(iterator.hasNext(), is(false));
}
@Test
public void empty() {
range = new LongRange(5, 4);
assertThat(range.iterator().hasNext(), is(false));
}
@Test(expectedExceptions = UnsupportedOperationException.class)
public void remove() {
range.iterator().remove();
}
