String converts to Object

Author: jfirebaugh

include/jni/string.hpp

@@ -10,7 +10,7 @@
 
 namespace jni
    {
-    struct StringTag { static constexpr auto Name() { return "java/lang/String"; } };
+    struct StringTag : public ObjectTag { static constexpr auto Name() { return "java/lang/String"; } };
 
     template <>
     struct UntaggedObjectType<StringTag> { using Type = jstring; };

test/high_level.cpp

@@ -127,6 +127,7 @@ int main()
     jni::Object<Base> base(derived);
     base = derived;
     (void)[] () -> jni::Object<Base> { return jni::Object<Derived>(); };
+    (void)[] () -> jni::Object<> { return jni::String(); };
 
     /// Constructor