Test complicated annotation constructs

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

test/Annotations.java

@@ -4,6 +4,7 @@ import java.lang.reflect.Proxy;
 
 import avian.testing.annotations.Color;
 import avian.testing.annotations.Test;
+import avian.testing.annotations.TestComplex;
 import avian.testing.annotations.TestEnum;
 import avian.testing.annotations.TestInteger;
 
@@ -30,6 +31,7 @@ public class Annotations {
     expect(noAnno.getAnnotation(Test.class) == null);
     expect(noAnno.getAnnotations().length == 0);
     testProxyDefaultValue();
+    testComplexAnnotation();
   }
 
   @Test("couscous")
@@ -54,4 +56,34 @@ public class Annotations {
       Proxy.newProxyInstance(loader, new Class[] { Test.class }, handler);
     expect("Hello, world!".equals(test.value()));
   }
+
+  private interface World {
+    @TestComplex(arrayValue = { @Test, @Test(value = "7/9") },
+      stringValue = "adjunct element", charValue = '7', doubleValue = 0.7778,
+      classValue = TestInteger.class)
+    int hello();
+  }
+
+  private static void testComplexAnnotation(TestComplex annotation)
+    throws Exception
+  {
+    expect(2 == annotation.arrayValue().length);
+    expect("Hello, world!".equals(annotation.arrayValue()[0].value()));
+    expect("7/9".equals(annotation.arrayValue()[1].value()));
+    expect("adjunct element".equals(annotation.stringValue()));
+    expect('7' == annotation.charValue());
+    expect(0.7778 == annotation.doubleValue());
+    expect(TestInteger.class == annotation.classValue());
+  }
+
+  public static void testComplexAnnotation() throws Exception {
+    ClassLoader loader = Annotations.class.getClassLoader();
+    TestComplex annotation = (TestComplex)
+      World.class.getMethod("hello").getAnnotation(TestComplex.class);
+    testComplexAnnotation(annotation);
+    Class clazz = Proxy.getProxyClass(loader, new Class[] { World.class });
+    annotation = (TestComplex)
+      clazz.getMethod("hello").getAnnotation(TestComplex.class);
+    expect(annotation == null);
+  }
 }

test/avian/testing/annotations/TestComplex.java

@@ -0,0 +1,14 @@
+package avian.testing.annotations;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+@Retention(RetentionPolicy.RUNTIME)
+public @interface TestComplex {
+  public Test[] arrayValue();
+  public Class classValue();
+  public String stringValue();
+  public char charValue();
+  public double doubleValue();
+}
+