diff options
Diffstat (limited to 'libjava/testsuite/libjava.lang/Class_1.java')
-rw-r--r-- | libjava/testsuite/libjava.lang/Class_1.java | 46 |
1 files changed, 46 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 000000000..58df6beac --- /dev/null +++ b/libjava/testsuite/libjava.lang/Class_1.java @@ -0,0 +1,46 @@ +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); + printIsAssignableFrom(C[].class, C[][].class, false); + + 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); + } +} |