diff --git a/src/test/java/org/mobilitydb/spark/GeneratedSqlSurfaceTest.java b/src/test/java/org/mobilitydb/spark/GeneratedSqlSurfaceTest.java
index 6668daf0..933eabd0 100644
--- a/src/test/java/org/mobilitydb/spark/GeneratedSqlSurfaceTest.java
+++ b/src/test/java/org/mobilitydb/spark/GeneratedSqlSurfaceTest.java
@@ -157,6 +157,13 @@ void arraysCrossAsSparkArrays() {
                 + near + "))"));
         assertThrows(Exception.class,
                 () -> scalar("SELECT intset_out(set(array(1, CAST(NULL AS INT))))"));
+        // An array of fixed-size values reaches MEOS as the contiguous C array it reads
+        assertEquals("{[1, 3), [5, 7)}", scalar("SELECT intspanset_out(spanset(array("
+                + "intspan_in('[5, 7)'), intspan_in('[1, 3)'))))"));
+        assertEquals(2, scalar("SELECT numValues(set(array(npoint_in('NPoint(1, 0.5)'), "
+                + "npoint_in('NPoint(2, 0.3)'), npoint_in('NPoint(1, 0.5)'))))"));
+        assertEquals(2, scalar("SELECT numValues(set(array(cbuffer_in('Cbuffer(Point(1 1), 0.5)'), "
+                + "cbuffer_in('Cbuffer(Point(2 2), 1)'))))"));
     }
 
     @Test