+
+ checkInterfaces(x, "x");
+ checkInterfaces(y, "y");
+ checkInterfaces(z, "z");
+ checkInterfaces(u, "u");
+ checkInterfaces(v, "v");
+ }
+
+ public static void checkInterfaces(Object y, String name) {
+ checkInstance(y instanceof Object, name, "Object");
+ checkInstance(y instanceof i1, name, "i1");
+ checkInstance(y instanceof i2, name, "i2");
+ checkInstance(y instanceof i3, name, "i3");
+ checkInstance(y instanceof i4, name, "i4");
+ checkInstance(y instanceof i5, name, "i5");
+ checkInstance(y instanceof i6, name, "i6");
+ checkInstance(y instanceof i7, name, "i7");
+ checkInstance(y instanceof i8, name, "i8");