--- /dev/null
+class C {}
+class D extends C implements I {}
+interface I {}
+interface J extends I {}
+
+public class Class_1
+{
+ static void printIsAssignableFrom(Class a, Class b, boolean c)
+ {
+ // The field 'c' can be viewed to see the expected value.
+ System.out.println(a.isAssignableFrom(b));
+ }
+
+ public static void main (String arg[])
+ {
+ System.out.println("Testing class `Class_1'...");
+ printIsAssignableFrom(C.class, Object.class, false);
+ printIsAssignableFrom(C.class, C.class, true);
+ printIsAssignableFrom(C.class, D.class, true);
+ printIsAssignableFrom(D.class, C.class, false);
+
+ printIsAssignableFrom(Object.class, int[].class, true);
+ printIsAssignableFrom(int[].class, int[].class, true);
+ printIsAssignableFrom(C[].class, D.class, false);
+ printIsAssignableFrom(C[].class, D[].class, true);
+ // Known compiler limitation prevents next case from compiling.
+ // printIsAssignableFrom(C[].class, C[][].class, false);
+ System.out.println("printIsAssignableFrom(C[].class, C[][].class, false);" +
+ " case uncompilable due to known compiler limitation.");
+
+ printIsAssignableFrom(Object.class, I.class, true);
+ printIsAssignableFrom(I.class, I.class, true);
+ printIsAssignableFrom(D.class, I.class, false);
+ printIsAssignableFrom(I.class, D.class, true);
+
+ printIsAssignableFrom(D.class, J.class, false);
+ printIsAssignableFrom(J.class, D.class, false);
+
+ printIsAssignableFrom(I.class, J.class, true);
+ printIsAssignableFrom(J.class, J.class, true);
+ printIsAssignableFrom(J.class, I.class, false);
+
+ // Returns true iff both Class objects are equal.
+ printIsAssignableFrom(long.class, long.class, true);
+
+ // Does not work for primitive types in general.
+ printIsAssignableFrom(long.class, int.class, false);
+ }
+}