static String reason(BitDocIdSet actual, BitDocIdSet expected, IndexSearcher indexSearcher)
throws IOException {
StringBuilder builder = new StringBuilder();
builder.append("expected cardinality:").append(expected.bits().cardinality()).append('\n');
DocIdSetIterator iterator = expected.iterator();
for (int doc = iterator.nextDoc();
doc != DocIdSetIterator.NO_MORE_DOCS;
doc = iterator.nextDoc()) {
builder
.append("Expected doc[")
.append(doc)
.append("] with id value ")
.append(indexSearcher.doc(doc).get(UidFieldMapper.NAME))
.append('\n');
}
builder.append("actual cardinality: ").append(actual.bits().cardinality()).append('\n');
iterator = actual.iterator();
for (int doc = iterator.nextDoc();
doc != DocIdSetIterator.NO_MORE_DOCS;
doc = iterator.nextDoc()) {
builder
.append("Actual doc[")
.append(doc)
.append("] with id value ")
.append(indexSearcher.doc(doc).get(UidFieldMapper.NAME))
.append('\n');
}
return builder.toString();
}
