1 files changed, 15 insertions, 3 deletions
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter18Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter18Test.java
index 8ac98d72..369a0c39 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter18Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter18Test.java
@@ -4,8 +4,8 @@ import com.seaofnodes.simple.evaluator.Evaluator;
 import com.seaofnodes.simple.node.StopNode;
 import org.junit.Test;
 import org.junit.Ignore;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.fail;
+
+import static org.junit.Assert.*;
 
 public class Chapter18Test {
 
@@ -30,8 +30,20 @@ return x2;
 """);
         StopNode stop = parser.parse().iterate();
         assertEquals("return null;", stop.toString());
-        assertEquals(null, Evaluator.evaluate(stop, 0));
+        assertNull( Evaluator.evaluate( stop, 0 ) );
     }
 
+    @Ignore @Test
+    public void testFcn0() {
+        Parser parser = new Parser("""
+{int -> int}? sq = { int x ->
+    x*x
+};
+return sq;
+""");
+        StopNode stop = parser.parse().iterate();
+        assertEquals("return fcn;", stop.toString());
+        assertEquals(1L, Evaluator.evaluate(stop, 0));
+    }
 
 }