private void doRandomForceMerge() throws IOException {
if (doRandomForceMerge) {
final int segCount = w.getSegmentCount();
if (r.nextBoolean() || segCount == 0) {
// full forceMerge
if (LuceneTestCase.VERBOSE) {
System.out.println("RIW: doRandomForceMerge(1)");
}
w.forceMerge(1);
} else {
// partial forceMerge
final int limit = _TestUtil.nextInt(r, 1, segCount);
if (LuceneTestCase.VERBOSE) {
System.out.println("RIW: doRandomForceMerge(" + limit + ")");
}
w.forceMerge(limit);
assert !doRandomForceMergeAssert || w.getSegmentCount() <= limit
: "limit=" + limit + " actual=" + w.getSegmentCount();
}
}
}
