1 files changed, 4 insertions, 3 deletions
diff --git a/src/test/java/com/seaofnodes/simple/Chapter13Test.java b/src/test/java/com/seaofnodes/simple/Chapter13Test.java
index 6bf45a22..a19f85e3 100644
--- a/src/test/java/com/seaofnodes/simple/Chapter13Test.java
+++ b/src/test/java/com/seaofnodes/simple/Chapter13Test.java
@@ -130,15 +130,15 @@ return n.i;
 
     @Test
     public void testNullRef4() {
-        CodeGen code = new CodeGen("-null-5/null-5;");
+        CodeGen code = new CodeGen("return -null-5/null-5;");
         try { code.parse().opto().typeCheck(); fail(); }
-        catch( Exception e ) { assertEquals("Cannot 'Add' null",e.getMessage()); }
+        catch( Exception e ) { assertEquals("Cannot '+' null",e.getMessage()); }
     }
 
     @Test public void testNullRef5() {
         CodeGen code = new CodeGen("return null+42;");
         try { code.parse().opto().typeCheck(); fail(); }
-        catch( Exception e ) { assertEquals("Cannot 'Add' null",e.getMessage()); }
+        catch( Exception e ) { assertEquals("Cannot '+' null",e.getMessage()); }
     }
 
     @Test
@@ -146,6 +146,7 @@ return n.i;
         CodeGen code = new CodeGen(
 """
 struct S{};
+return 0;
 """);
         code.parse().opto();
         assertEquals("return 0;", code.print());