diff --git a/tests/baz/1.0/IBaz.hal b/tests/baz/1.0/IBaz.hal
index 9a9e754..00fe568 100644
--- a/tests/baz/1.0/IBaz.hal
+++ b/tests/baz/1.0/IBaz.hal
@@ -70,6 +70,9 @@
 
     struct StructWithInterface {
         int32_t number;
+        int8_t[7] array;
+        string oneString;
+        vec<string> vectorOfStrings;
         IBase dummy;
     };
     oneway doThis(float param);
diff --git a/tests/safeunion/1.0/ISafeUnion.hal b/tests/safeunion/1.0/ISafeUnion.hal
index fedd63b..e56022f 100644
--- a/tests/safeunion/1.0/ISafeUnion.hal
+++ b/tests/safeunion/1.0/ISafeUnion.hal
@@ -66,6 +66,8 @@
         uint32_t a;
         int8_t[7] b;
         IOtherInterface c;
+        string d;
+        vec<string> e;
     };
 
     newLargeSafeUnion() generates (LargeSafeUnion myUnion);
@@ -86,4 +88,6 @@
     setInterfaceA(InterfaceTypeSafeUnion myUnion, uint32_t a) generates (InterfaceTypeSafeUnion myUnion);
     setInterfaceB(InterfaceTypeSafeUnion myUnion, int8_t[7] b) generates (InterfaceTypeSafeUnion myUnion);
     setInterfaceC(InterfaceTypeSafeUnion myUnion, IOtherInterface c) generates (InterfaceTypeSafeUnion myUnion);
+    setInterfaceD(InterfaceTypeSafeUnion myUnion, string d) generates (InterfaceTypeSafeUnion myUnion);
+    setInterfaceE(InterfaceTypeSafeUnion myUnion, vec<string> e) generates (InterfaceTypeSafeUnion myUnion);
 };
diff --git a/tests/safeunion/1.0/default/SafeUnion.cpp b/tests/safeunion/1.0/default/SafeUnion.cpp
index 7047d16..11b2e36 100644
--- a/tests/safeunion/1.0/default/SafeUnion.cpp
+++ b/tests/safeunion/1.0/default/SafeUnion.cpp
@@ -191,6 +191,26 @@
     return Void();
 }
 
+Return<void> SafeUnion::setInterfaceD(const ::android::hardware::tests::safeunion::V1_0::ISafeUnion::InterfaceTypeSafeUnion& myUnion, const hidl_string& d, setInterfaceD_cb _hidl_cb) {
+    LOG(INFO) << "SERVER(SafeUnion) setInterfaceD(myUnion, " << toString(d) << ")";
+
+    InterfaceTypeSafeUnion myNewUnion = myUnion;
+    myNewUnion.d(d);
+
+    _hidl_cb(myNewUnion);
+    return Void();
+}
+
+Return<void> SafeUnion::setInterfaceE(const ::android::hardware::tests::safeunion::V1_0::ISafeUnion::InterfaceTypeSafeUnion& myUnion, const hidl_vec<hidl_string>& e, setInterfaceE_cb _hidl_cb) {
+    LOG(INFO) << "SERVER(SafeUnion) setInterfaceE(myUnion, " << toString(e) << ")";
+
+    InterfaceTypeSafeUnion myNewUnion = myUnion;
+    myNewUnion.e(e);
+
+    _hidl_cb(myNewUnion);
+    return Void();
+}
+
 ISafeUnion* HIDL_FETCH_ISafeUnion(const char* /* name */) {
     return new SafeUnion();
 }
diff --git a/tests/safeunion/1.0/default/SafeUnion.h b/tests/safeunion/1.0/default/SafeUnion.h
index 07d88d2..e900fce 100644
--- a/tests/safeunion/1.0/default/SafeUnion.h
+++ b/tests/safeunion/1.0/default/SafeUnion.h
@@ -52,6 +52,8 @@
     Return<void> setInterfaceA(const InterfaceTypeSafeUnion& myUnion, uint32_t a, setInterfaceA_cb _hidl_cb) override;
     Return<void> setInterfaceB(const InterfaceTypeSafeUnion& myUnion, const hidl_array<int8_t, 7>& b, setInterfaceB_cb _hidl_cb) override;
     Return<void> setInterfaceC(const InterfaceTypeSafeUnion& myUnion, const sp<::android::hardware::tests::safeunion::V1_0::IOtherInterface>& c, setInterfaceC_cb _hidl_cb) override;
+    Return<void> setInterfaceD(const InterfaceTypeSafeUnion& myUnion, const hidl_string& d, setInterfaceD_cb _hidl_cb) override;
+    Return<void> setInterfaceE(const InterfaceTypeSafeUnion& myUnion, const hidl_vec<hidl_string>& e, setInterfaceE_cb _hidl_cb) override;
 };
 
 extern "C" ISafeUnion* HIDL_FETCH_ISafeUnion(const char* name);