1 files changed, 34 insertions, 0 deletions
diff --git a/src/test/java/com/thinkaurelius/titan/diskstorage/cassandra/UUIDTest.java b/src/test/java/com/thinkaurelius/titan/diskstorage/cassandra/UUIDTest.java
new file mode 100644
index 0000000..356e8ce
--- /dev/null
+++ b/src/test/java/com/thinkaurelius/titan/diskstorage/cassandra/UUIDTest.java
@@ -0,0 +1,34 @@
+package com.thinkaurelius.titan.diskstorage.cassandra;
+
+import org.apache.cassandra.db.marshal.TimeUUIDType;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+import com.thinkaurelius.titan.testcategory.StandaloneTests;
+
+import java.nio.ByteBuffer;
+import java.util.UUID;
+
+import static org.junit.Assert.assertEquals;
+
+@Category({StandaloneTests.class})
+public class UUIDTest {
+    public static final String z = "00000000-0000-1000-0000-000000000000";
+    public static final String v = "9451e273-7753-11e0-92df-e700f669bcfc";
+
+    @Test
+    public void timeUUIDComparison() {
+        TimeUUIDType ti = TimeUUIDType.instance;
+
+        UUID zu = UUID.fromString(z);
+        UUID vu = UUID.fromString(v);
+
+        ByteBuffer zb = ti.decompose(zu);
+        ByteBuffer vb = ti.decompose(vu);
+
+        assertEquals(-1, ti.compare(zb, vb));
+        assertEquals(1, zu.compareTo(vu));
+        assertEquals(1, ti.compare(vb, zb));
+        assertEquals(-1, vu.compareTo(zu));
+    }
+}