add a reflection memory test

Author: guoyiteng

tests/isolated/ReflectionMemoryTest.java

@@ -0,0 +1,19 @@
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
+public class ReflectionMemoryTest {
+    static boolean b;
+
+    public static void main(String[] args) {
+        ReflectionMemoryTest s = new ReflectionMemoryTest();
+        Class cls = s.getClass();
+        Field[] fields = cls.getDeclaredFields();
+        Method[] methods = cls.getDeclaredMethods();
+        System.out.println(fields.length);
+        for (int i = 0; i < 100000; i++) {
+            System.out.println(fields[0].getType());
+            System.out.println(methods[0].getReturnType());
+            System.out.println(i);
+        }
+    }
+}