diff --git a/tests/baz/1.0/IBase.hal b/tests/baz/1.0/IBase.hal
index 9e8c64151e..3f18d41190 100644
--- a/tests/baz/1.0/IBase.hal
+++ b/tests/baz/1.0/IBase.hal
@@ -58,6 +58,12 @@ interface IBase {
         ThreeStrings[5] s;
     };
 
+    typedef uint8_t[6] MacAddress;
+
+    struct VectorOfArray {
+        vec<MacAddress> addresses;
+    };
+
     someBaseMethod();
 
     someBoolMethod(bool x) generates (bool y);
@@ -68,6 +74,8 @@ interface IBase {
     someMethodWithFooArrays(Foo[2] fooInput) generates (Foo[2] fooOutput);
     someMethodWithFooVectors(vec<Foo> fooInput) generates (vec<Foo> fooOutput);
 
+    someMethodWithVectorOfArray(VectorOfArray in) generates (VectorOfArray out);
+
     transpose(StringMatrix5x3 in) generates (StringMatrix3x5 out);
     transpose2(ThreeStrings[5] in) generates (FiveStrings[3] out);
 };