private void assertIntersection(String expected, String... types) {
Set<JetType> typesToIntersect = new LinkedHashSet<JetType>();
for (String type : types) {
typesToIntersect.add(makeType(type));
}
JetType result = TypeUtils.intersect(JetTypeChecker.DEFAULT, typesToIntersect);
// assertNotNull("Intersection is null for " + typesToIntersect, result);
assertEquals(makeType(expected), result);
}
