Examples with LongHash org.h2.dev.hash.MinimalPerfectHash.LongHash used on opensource projects

Example 1 with LongHash

use of org.h2.dev.hash.MinimalPerfectHash.LongHash in project h2database by h2database.

the class TestPerfectHash method testMinimal.

private int testMinimal(int size) {
    Random r = new Random(size);
    HashSet<Long> set = new HashSet<>(size);
    while (set.size() < size) {
        set.add((long) r.nextInt());
    }
    LongHash hf = new LongHash();
    byte[] desc = MinimalPerfectHash.generate(set, hf);
    int max = testMinimal(desc, set, hf);
    assertEquals(size - 1, max);
    return desc.length * 8;
}