diff --git a/pom.xml b/pom.xml
index 9b993a7e91..cd58814c9c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -524,6 +524,12 @@
1.15
true
+
+ com.google.guava
+ guava-testlib
+ 31.1-jre
+ test
+
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index 6d2dadae46..e8e1057c40 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -143,6 +143,9 @@
Add github/codeql-action.
+
+ Integrate Guava testlib tests.
+
Bump actions/setup-java from 1.4.0 to 3 #174 #177 #186 #224 #298.
diff --git a/src/test/java/org/apache/commons/collections4/GuavaTestlibTest.java b/src/test/java/org/apache/commons/collections4/GuavaTestlibTest.java
new file mode 100644
index 0000000000..78685ea50c
--- /dev/null
+++ b/src/test/java/org/apache/commons/collections4/GuavaTestlibTest.java
@@ -0,0 +1,125 @@
+/*
+ * 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.collections4;
+
+import java.util.List;
+import java.util.Map;
+import java.util.function.Supplier;
+
+import org.apache.commons.collections4.list.TreeList;
+import org.apache.commons.collections4.map.HashedMap;
+import org.apache.commons.collections4.map.LRUMap;
+import org.apache.commons.collections4.map.LinkedMap;
+import org.apache.commons.collections4.map.ReferenceMap;
+
+import com.google.common.collect.testing.ListTestSuiteBuilder;
+import com.google.common.collect.testing.MapTestSuiteBuilder;
+import com.google.common.collect.testing.TestStringListGenerator;
+import com.google.common.collect.testing.TestStringMapGenerator;
+import com.google.common.collect.testing.features.CollectionFeature;
+import com.google.common.collect.testing.features.CollectionSize;
+import com.google.common.collect.testing.features.Feature;
+import com.google.common.collect.testing.features.ListFeature;
+import com.google.common.collect.testing.features.MapFeature;
+
+import junit.framework.Test;
+import junit.framework.TestCase;
+import junit.framework.TestSuite;
+
+/**
+ * This test uses Google's Guava Testlib testing libraries to validate the
+ * contract of collection classes in Commons Collections. This was introduced
+ * after COLLECTIONS-802, where the issue reported was found with Testlib.
+ *
+ * @since 4.5.0
+ * @see https://github.com/google/guava/tree/master/guava-testlib
+ * @see https://issues.apache.org/jira/browse/COLLECTIONS-802
+ */
+public final class GuavaTestlibTest extends TestCase {
+
+ public static Test suite() {
+ TestSuite test = new TestSuite();
+ // Map
+ test.addTest(suiteMap("HashedMap", HashedMap::new));
+ test.addTest(suiteMap("LinkedMap", LinkedMap::new));
+ test.addTest(suiteMap("LRUMap", LRUMap::new));
+ test.addTest(suiteMap("ReferenceMap", ReferenceMap::new));
+ // List
+ test.addTest(suiteList("TreeList", TreeList::new));
+ // TODO: In COLLECTIONS-811 we enabled the list tests for TreeList, but these other two types did not
+ // pass the tests. Someone needs to confirm if it is a bug in the code, or we need to change the
+ // test features.
+ // test.addTest(suiteList("GrowthList", GrowthList::new, CollectionFeature.SERIALIZABLE));
+ // test.addTest(suiteList("CursorableLinkedList", CursorableLinkedList::new, CollectionFeature.SERIALIZABLE));
+ return test;
+ }
+
+ /**
+ * Programmatically create a JUnit (3, 4) Test Suite for Guava testlib tests with Maps.
+ * @param name name of the test
+ * @param factory factory to create new Maps
+ * @return a JUnit 3, 4 Test Suite
+ */
+ private static Test suiteMap(String name, Supplier