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diff --git a/testutil/src/main/java/com/yahoo/test/PartialOrderTester.java b/testutil/src/main/java/com/yahoo/test/PartialOrderTester.java
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+++ b/testutil/src/main/java/com/yahoo/test/PartialOrderTester.java
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+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.test;
+
+import static org.junit.Assert.assertThat;
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.Matchers.lessThanOrEqualTo;
+import static org.hamcrest.Matchers.greaterThanOrEqualTo;
+
+/**
+ * PartialOrderTester implements a partial order test for OrderTester
+ *
+ * Usage: see {@link com.yahoo.test.TotalOrderTester}
+ *
+ * @author Vegard Sjonfjell
+ */
+
+public class PartialOrderTester<T extends Comparable<T>> extends OrderTester<T> {
+    protected void lessTest(T a, T b) throws AssertionError {
+        assertThat(a + " must be less than or equal to " + b, a.compareTo(b), lessThanOrEqualTo(0));
+    }
+
+    protected void greaterTest(T a, T b) throws AssertionError {
+        assertThat(a + " must be greater than or equal to " + b, a.compareTo(b), greaterThanOrEqualTo(0));
+    }
+
+    protected void equalTest(T a, T b) throws AssertionError {
+        assertThat(a + " must be compared equal to " + b, a.compareTo(b), is(0));
+    }
+}