@Test
public void intervalsDoNotIntersectWhenContainedIntervalsDoNotIntersectOtherWayRound() {
CompoundInterval ci = new CompoundInterval(DEFAULT_END, DEFAULT_END + 1, null);
ci.add(new MappedBasicInterval(DEFAULT_END + 1, DEFAULT_END + 2, null));
ci.add(new MappedBasicInterval(DEFAULT_END + 3, DEFAULT_END + 4, null));
CompoundInterval other = new CompoundInterval(1, DEFAULT_END, null);
other.add(new MappedBasicInterval(DEFAULT_END + 2, DEFAULT_END + 3, null));
other.add(new MappedBasicInterval(DEFAULT_END + 5, DEFAULT_END + 7, null));
assertThat(ci.intersects(other), is(false));
}
@Test
public void intervalsDoNotIntersectWhenFirstIntervalIsHigherThanTheOther() {
CompoundInterval ci = new CompoundInterval(DEFAULT_END + 4, DEFAULT_END + 6, null);
CompoundInterval other = createCompoundIntervalWithoutRegister();
assertThat(ci.intersects(other), is(false));
}
@Test
public void compoundIntervalsDoNotIntersectWithEmptyIntervals() {
CompoundInterval ci = createCompoundIntervalWithoutRegister();
assertThat(ci.intersects(new CompoundInterval(null)), is(false));
}
@Test
public void registersDoNotMatterForIntersection() {
CompoundInterval ci = new CompoundInterval(DEFAULT_BEGIN, DEFAULT_END, new Register(-1));
CompoundInterval otherCi = new CompoundInterval(DEFAULT_BEGIN, DEFAULT_END, new Register(-2));
assertThat(ci.intersects(otherCi), is(true));
}
@Test
public void nonEmptyCompoundIntervalsIntersectWithThemselves() {
CompoundInterval ci = createCompoundIntervalWithoutRegister();
assertThat(ci.intersects(ci), is(true));
}
@Test
public void emptyCompoundIntervalsDoNotIntersectWithAnything() {
CompoundInterval empty = new CompoundInterval(null);
assertThat(empty.intersects(new CompoundInterval(null)), is(false));
}
