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diff --git a/src/test/java/org/apache/commons/lang3/ArraySorterTest.java b/src/test/java/org/apache/commons/lang3/ArraySorterTest.java
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+++ b/src/test/java/org/apache/commons/lang3/ArraySorterTest.java
@@ -0,0 +1,100 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.commons.lang3;
+
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+
+import java.util.Arrays;
+
+import org.junit.jupiter.api.Test;
+
+public class ArraySorterTest extends AbstractLangTest {
+
+    @Test
+    public void testSortByteArray() {
+        final byte[] array1 = {2, 1};
+        final byte[] array2 = array1.clone();
+        Arrays.sort(array1);
+        assertArrayEquals(array1, ArraySorter.sort(array2));
+    }
+
+    @Test
+    public void testSortCharArray() {
+        final char[] array1 = {2, 1};
+        final char[] array2 = array1.clone();
+        Arrays.sort(array1);
+        assertArrayEquals(array1, ArraySorter.sort(array2));
+    }
+
+    @Test
+    public void testSortComparable() {
+        final String[] array1 = ArrayUtils.toArray("foo", "bar");
+        final String[] array2 = array1.clone();
+        Arrays.sort(array1);
+        assertArrayEquals(array1, ArraySorter.sort(array2, String::compareTo));
+    }
+
+    @Test
+    public void testSortDoubleArray() {
+        final double[] array1 = {2, 1};
+        final double[] array2 = array1.clone();
+        Arrays.sort(array1);
+        assertArrayEquals(array1, ArraySorter.sort(array2));
+    }
+
+    @Test
+    public void testSortFloatArray() {
+        final float[] array1 = {2, 1};
+        final float[] array2 = array1.clone();
+        Arrays.sort(array1);
+        assertArrayEquals(array1, ArraySorter.sort(array2));
+    }
+
+    @Test
+    public void testSortIntArray() {
+        final int[] array1 = {2, 1};
+        final int[] array2 = array1.clone();
+        Arrays.sort(array1);
+        assertArrayEquals(array1, ArraySorter.sort(array2));
+    }
+
+    @Test
+    public void testSortLongArray() {
+        final long[] array1 = {2, 1};
+        final long[] array2 = array1.clone();
+        Arrays.sort(array1);
+        assertArrayEquals(array1, ArraySorter.sort(array2));
+    }
+
+    @Test
+    public void testSortObjects() {
+        final String[] array1 = ArrayUtils.toArray("foo", "bar");
+        final String[] array2 = array1.clone();
+        Arrays.sort(array1);
+        assertArrayEquals(array1, ArraySorter.sort(array2));
+    }
+
+    @Test
+    public void testSortShortArray() {
+        final short[] array1 = {2, 1};
+        final short[] array2 = array1.clone();
+        Arrays.sort(array1);
+        assertArrayEquals(array1, ArraySorter.sort(array2));
+    }
+
+}