libjava/testsuite/libjava.lang/InvokeReturn.java

   1 import java.lang.reflect.Method;
   2
   3 // Test return values of Method.invoke.
   4 public class InvokeReturn {
   5   public boolean bTrue() {
   6     return true;
   7   }
   8
   9   public boolean bFalse() {
  10     return false;
  11   }
  12
  13   public char cc() {
  14     return 'c';
  15   }
  16
  17   public short s5() {
  18     return (short)5;
  19   }
  20
  21   public int i6() {
  22     return 6;
  23   }
  24
  25   public long l7() {
  26     return (long)7;
  27   }
  28
  29   public float f8() {
  30     return (float)8.0;
  31   }
  32
  33   public double d9() {
  34     return 9.0;
  35   }
  36
  37   public static void main(String[] args) {
  38     try {
  39       Object o = new InvokeReturn();
  40       Method m;
  41
  42       // test boolean result
  43       m = o.getClass().getDeclaredMethod("bTrue", new Class[0]);
  44       System.out.println(m.invoke(o, new Object[0]));
  45
  46       m = o.getClass().getDeclaredMethod("bFalse", new Class[0]);
  47       System.out.println(m.invoke(o, new Object[0]));
  48
  49       // test char result
  50       m = o.getClass().getDeclaredMethod("cc", new Class[0]);
  51       System.out.println(m.invoke(o, new Object[0]));
  52
  53       // test short result
  54       m = o.getClass().getDeclaredMethod("s5", new Class[0]);
  55       System.out.println(m.invoke(o, new Object[0]));
  56
  57       // test int result
  58       m = o.getClass().getDeclaredMethod("i6", new Class[0]);
  59       System.out.println(m.invoke(o, new Object[0]));
  60
  61       // test long result
  62       m = o.getClass().getDeclaredMethod("l7", new Class[0]);
  63       System.out.println(m.invoke(o, new Object[0]));
  64
  65       // test float result
  66       m = o.getClass().getDeclaredMethod("f8", new Class[0]);
  67       System.out.println(m.invoke(o, new Object[0]));
  68
  69       // test double result
  70       m = o.getClass().getDeclaredMethod("d9", new Class[0]);
  71       System.out.println(m.invoke(o, new Object[0]));
  72     } catch (UnsupportedOperationException e) {
  73       // We get this on targets which don't support reflection (no
  74       // libffi port yet).  We might as well fake PASSes.
  75       System.out.println("true\nfalse\nc\n5\n6\n7\n8.0\n9.0");
  76     } catch (Throwable t) {
  77       t.printStackTrace();
  78     }
  79   }
  80 }