Publish

1 files changed, 17 insertions, 0 deletions

diff --git a/predicate-search-core/src/test/java/com/yahoo/document/predicate/PredicateOperatorTest.java b/predicate-search-core/src/test/java/com/yahoo/document/predicate/PredicateOperatorTest.java
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index 00000000000..b6de0bf3514
--- /dev/null
+++ b/predicate-search-core/src/test/java/com/yahoo/document/predicate/PredicateOperatorTest.java
@@ -0,0 +1,17 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.document.predicate;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertTrue;
+
+/**
+ * @author <a href="mailto:simon@yahoo-inc.com">Simon Thoresen Hult</a>
+ */
+public class PredicateOperatorTest {
+
+    @Test
+    public void requireThatOperatorIsAPredicate() {
+        assertTrue(Predicate.class.isAssignableFrom(PredicateOperator.class));
+    }
+}