add method removeAll

primitiveCollections/src/main/java/org/lucares/collections/IntList.java

@@ -23,7 +23,6 @@ public final class IntList implements Serializable, Cloneable {
 	// TODO add retainAll for sorted lists
 	// TODO add removeAll for sorted lists
 	// TODO add removeIf
-	// TODO add removeRange
 	// TODO add replace
 	// TODO add lastIndexOf
 	// TODO remove bounds checks that are handled by java, e.g. negative indices
@@ -83,6 +82,19 @@ public final class IntList implements Serializable, Cloneable {
 		index = intList.size();
 	}
 
+	/**
+	 * Create a new {@link IntList} with a copy of the given elements.
+	 *
+	 * @param values
+	 *            the values
+	 * @return the list
+	 */
+	public static IntList of(final int... values) {
+		final IntList result = new IntList(values.length);
+		result.addAll(values);
+		return result;
+	}
+
 	/**
 	 * Returns {@code true} if this list contains no elements.
 	 *
@@ -228,6 +240,27 @@ public final class IntList implements Serializable, Cloneable {
 		index = index - (toIndex - fromIndex);
 	}
 
+	/**
+	 * Remove all elements that contained in the specified list.
+	 *
+	 * @param remove
+	 *            the elements to remove
+	 */
+	public void removeAll(final IntList remove) {
+
+		final int size = index;
+		int insertPosition = 0;
+		for (int i = 0; i < size; i++) {
+			final int current = data[i];
+			if (remove.indexOf(current) < 0) {
+				// keep current element
+				data[insertPosition] = current;
+				insertPosition++;
+			}
+		}
+		index = insertPosition;
+	}
+
 	/**
 	 * Replaces all values in the list by applying {@code operator}.
 	 *

primitiveCollections/src/test/java/org/lucares/collections/IntListTest.java

@@ -632,4 +632,34 @@ public class IntListTest {
 		list.replaceAll(i -> i * 3);
 		Assert.assertArrayEquals(new int[0], list.toArray());
 	}
+
+	@Test
+	public void removeAll() {
+		final IntList list = IntList.of(-2, -1, 0, 1, 2, 3, 4, 5, 6);
+		final IntList remove = IntList.of(-1, 2, 4, 5);
+
+		list.removeAll(remove);
+		Assert.assertArrayEquals(new int[] { -2, 0, 1, 3, 6 }, list.toArray());
+		Assert.assertArrayEquals(new int[] { -1, 2, 4, 5 }, remove.toArray());
+	}
+
+	@Test
+	public void removeEmptyList() {
+		final IntList list = IntList.of(1, 2, 3, 4, 5, 6);
+		final IntList remove = new IntList();
+
+		list.removeAll(remove);
+		Assert.assertArrayEquals(new int[] { 1, 2, 3, 4, 5, 6 }, list.toArray());
+		Assert.assertArrayEquals(new int[] {}, remove.toArray());
+	}
+
+	@Test
+	public void removeAllFromEmptyList() {
+		final IntList list = new IntList();
+		final IntList remove = IntList.of(1);
+
+		list.removeAll(remove);
+		Assert.assertArrayEquals(new int[] {}, list.toArray());
+		Assert.assertEquals(0, list.size());
+	}
 }