fix ReadClassDataTest

compiler/tests/org/jetbrains/jet/ReadClassDataTest.java

@@ -200,7 +200,6 @@ public class ReadClassDataTest extends UsefulTestCase {
 
     private static Object invoke(Method method, Object thiz, Object... args) {
         try {
-            method.setAccessible(true);
             return method.invoke(thiz, args);
         } catch (Exception e) {
             throw new RuntimeException("failed to invoke " + method + ": " + e, e);
@@ -229,7 +228,7 @@ public class ReadClassDataTest extends UsefulTestCase {
             sb.append("vararg ");
             serialize(valueParameter.getVarargElementType());
         } else {
-            serialize(valueParameter.getOutType());
+            serialize(valueParameter.getOutType(), sb);
         }
         if (valueParameter.hasDefaultValue()) {
             sb.append(" = ?");
@@ -279,7 +278,7 @@ public class ReadClassDataTest extends UsefulTestCase {
         }
     }
     
-    private void serialize(Object o, StringBuilder sb) {
+    private Method getMethodToSerialize(Object o) {
         // TODO: cache
         for (Method method : ReadClassDataTest.class.getDeclaredMethods()) {
             if (!method.getName().equals("serialize")) {
@@ -295,12 +294,17 @@ public class ReadClassDataTest extends UsefulTestCase {
                 continue;
             }
             if (method.getParameterTypes()[0].isInstance(o)) {
-                invoke(method, this, o, sb);
+                method.setAccessible(true);
-                return;
+                return method;
             }
         }
         throw new IllegalStateException("don't know how to serialize " + o + " (of " + o.getClass() + ")");
     }
+    
+    private void serialize(Object o, StringBuilder sb) {
+        Method method = getMethodToSerialize(o);
+        invoke(method, this, o, sb);
+    }
 
     private void serialize(ModuleDescriptor module, StringBuilder sb) {
         // nop