2 files changed, 70 insertions, 0 deletions
diff --git a/libjava/testsuite/libjava.lang/Class_1.java b/libjava/testsuite/libjava.lang/Class_1.java
new file mode 100644
index 00000000000..f2156ebff30
--- /dev/null
+++ b/libjava/testsuite/libjava.lang/Class_1.java
@@ -0,0 +1,49 @@
+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);
+  }
+}
diff --git a/libjava/testsuite/libjava.lang/Class_1.out b/libjava/testsuite/libjava.lang/Class_1.out
new file mode 100644
index 00000000000..6a5863ae1e1
--- /dev/null
+++ b/libjava/testsuite/libjava.lang/Class_1.out
@@ -0,0 +1,21 @@
+Testing class `Class_1'...
+false
+true
+true
+false
+true
+true
+false
+true
+printIsAssignableFrom(C[].class, C[][].class, false); case uncompilable due to known compiler limitation.
+true
+true
+false
+true
+false
+false
+true
+true
+false
+true
+false