Fixed problem with load factor in immutable sets

drv/Set.drv

@@ -60,7 +60,7 @@ public interface SET KEY_GENERIC extends COLLECTION KEY_GENERIC, Set<KEY_GENERIC
 	/**
 	 * Returns a type-specific spliterator on the elements of this set.
 	 *
-	 * <p>Set spliterators must report at least {@link Spliterator#DISTINCT}.
+	 * <p>Set spliterators must report at least {@link Spliterator.UNIQUE}.
 	 *
 	 * <p>See {@link java.util.Set#spliterator()} for more documentation on the requirements
 	 * of the returned spliterator.
@@ -74,7 +74,7 @@ public interface SET KEY_GENERIC extends COLLECTION KEY_GENERIC, Set<KEY_GENERIC
 	 * @implSpec The default implementation returns a late-binding spliterator (see
 	 * {@link Spliterator} for documentation on what binding policies mean)
 	 * that wraps this instance's type specific {@link #iterator}.
-	 * <p>Additionally, it reports {@link Spliterator#SIZED} and {@link Spliterator#DISTINCT}.
+	 * <p>Additionally, it reports {@link Spliterator#SIZED} and {@link Spliterator#UNIQUE}.
 	 *
 	 * @implNote As this default implementation wraps the iterator, and {@link java.util.Iterator}
 	 * is an inherently linear API, the returned spliterator will yield limited performance gains

test/it/unimi/dsi/fastutil/longs/LongSetTest.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2017-2021 Sebastiano Vigna
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package it.unimi.dsi.fastutil.longs;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+public class LongSetTest {
+
+	@Test
+	public void test4() {
+		assertEquals(new LongOpenHashSet(new long[] { 0, 1, 2, 3, 4 }), LongSet.of(0, 1, 2, 3, 4));
+	}
+}