support runtime-visible annotations and java.lang.reflect.Proxy

test/Annotations.java

@@ -0,0 +1,49 @@
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.reflect.Method;
+
+public class Annotations {
+  private static void expect(boolean v) {
+    if (! v) throw new RuntimeException();
+  }
+
+  public static void main(String[] args) throws Exception {
+    Method m = Annotations.class.getMethod("foo");
+
+    expect(m.isAnnotationPresent(Test.class));
+
+    expect(((Test) m.getAnnotation(Test.class)).value().equals("couscous"));
+
+    expect(((TestEnum) m.getAnnotation(TestEnum.class)).value()
+           .equals(Color.Red));
+
+    expect(((TestInteger) m.getAnnotation(TestInteger.class)).value() == 42);
+  }
+
+  @Test("couscous")
+  @TestEnum(Color.Red)
+  @TestInteger(42)
+  public static void foo() {
+    
+  }
+
+  @Retention(RetentionPolicy.RUNTIME)
+  private @interface Test {
+    public String value();
+  }
+
+  @Retention(RetentionPolicy.RUNTIME)
+  private @interface TestEnum {
+    public Color value();
+  }
+
+  @Retention(RetentionPolicy.RUNTIME)
+  private @interface TestInteger {
+    public int value();
+  }
+
+  private static enum Color {
+    Red, Yellow, Blue
+  }
+
+}