From 0f2aef6910c1d0f40d1b6d90aa6ce62e1539387e Mon Sep 17 00:00:00 2001
From: Zhangmei Li <lizhangmei@baidu.com>
Date: Sun, 24 Apr 2022 23:30:15 +0800
Subject: [PATCH] delete Whitebox.setInternalFinalState() method since
 ineffective

Change-Id: I0497e1206b59131a219d2941237a7b3a6a46df6f
---
 .../baidu/hugegraph/testutil/Whitebox.java    | 37 -----------------
 .../hugegraph/testutil/WhiteboxTest.java      | 40 -------------------
 2 files changed, 77 deletions(-)

diff --git a/hugegraph-common/src/main/java/com/baidu/hugegraph/testutil/Whitebox.java b/hugegraph-common/src/main/java/com/baidu/hugegraph/testutil/Whitebox.java
index b9473142..826ab01e 100644
--- a/hugegraph-common/src/main/java/com/baidu/hugegraph/testutil/Whitebox.java
+++ b/hugegraph-common/src/main/java/com/baidu/hugegraph/testutil/Whitebox.java
@@ -22,7 +22,6 @@
 import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
-import java.lang.reflect.Modifier;
 import java.util.Arrays;
 import java.util.Objects;
 
@@ -86,42 +85,6 @@ public static <T> T getInternalState(Object target, String fieldName) {
         }
     }
 
-    public static void setInternalFinalState(Object target,
-                                             String fieldName, Object value) {
-        Class<?> c = target instanceof Class<?> ?
-                     (Class<?>) target : target.getClass();
-        try {
-            Field field = c.getDeclaredField(fieldName);
-
-            // Remove final like FieldUtils.removeFinalModifier()
-            Field modifiersField = Field.class.getDeclaredField("modifiers");
-            modifiersField.setAccessible(true);
-            int oldModifiers = field.getModifiers();
-            int nonFinal = oldModifiers & ~Modifier.FINAL;
-            modifiersField.setInt(field, nonFinal);
-
-            // Reset overrideFieldAccessor
-            Field overrideFAField = Field.class.getDeclaredField("overrideFieldAccessor");
-            overrideFAField.setAccessible(true);
-            if (overrideFAField.get(field) != null) {
-                setInternalState(field, "overrideFieldAccessor", null);
-            }
-
-            try {
-                field.setAccessible(true);
-                field.set(target, value);
-            } finally {
-                // Resume old modifiers (final)
-                modifiersField.setInt(field, oldModifiers);
-            }
-        } catch (Exception e) {
-            e.printStackTrace();
-            throw new RuntimeException(String.format(
-                      "Can't set value of '%s' against object '%s'",
-                      fieldName, target), e);
-        }
-    }
-
     private static Field getFieldFromHierarchy(Class<?> clazz, String field) {
         Field f = getField(clazz, field);
         while (f == null && clazz != Object.class) {
diff --git a/hugegraph-common/src/test/java/com/baidu/hugegraph/testutil/WhiteboxTest.java b/hugegraph-common/src/test/java/com/baidu/hugegraph/testutil/WhiteboxTest.java
index 855c6adb..9afbd117 100644
--- a/hugegraph-common/src/test/java/com/baidu/hugegraph/testutil/WhiteboxTest.java
+++ b/hugegraph-common/src/test/java/com/baidu/hugegraph/testutil/WhiteboxTest.java
@@ -107,41 +107,6 @@ public void testSetInternalFinalState() {
         Assert.assertEquals(2, Whitebox.getInternalState(test1, "ivalueFinal"));
         // FIXME: seems don't take effect!!!
         Assert.assertEquals(1, test1.ivalueFinal);
-
-        Whitebox.setInternalFinalState(test1, "ivalueFinal", 3);
-        Assert.assertEquals(3, Whitebox.getInternalState(test1, "ivalueFinal"));
-        // FIXME: seems don't take effect!!!
-        Assert.assertEquals(1, test1.ivalueFinal);
-    }
-
-    @Test
-    public void testSetInternalStaticFinalState() {
-//        Assert.assertThrows(RuntimeException.class, () -> {
-//            Whitebox.setInternalState(Test4.class, "staticFinalValue", 11);
-//        }, e -> {
-//            Assert.assertContains("Can't set value of 'staticFinalValue'",
-//                                  e.getMessage());
-//        });
-
-        Assert.assertEquals(1, Test4.staticFinalValue);
-        // Can only call at the first reflect time
-        Whitebox.setInternalFinalState(Test4.class, "staticFinalValue", 11);
-        Assert.assertEquals(11, Whitebox.getInternalState(Test4.class,
-                                                          "staticFinalValue"));
-
-        Whitebox.setInternalFinalState(Test4.class, "staticFinalValue", 12);
-        Assert.assertEquals(12, Whitebox.getInternalState(Test4.class,
-                                                          "staticFinalValue"));
-
-        // FIXME: seems don't take effect!!!
-        Assert.assertEquals(1, Test4.staticFinalValue);
-
-        Assert.assertThrows(RuntimeException.class, () -> {
-            Whitebox.setInternalState(Test4.class, "staticFinalValue", 1);
-        }, e -> {
-            Assert.assertContains("Can't set value of 'staticFinalValue'",
-                                  e.getMessage());
-        });
     }
 
     @Test
@@ -268,11 +233,6 @@ private String value() {
         }
     }
 
-    private static class Test4 {
-
-        private static final int staticFinalValue = 1;
-    }
-
     @SuppressWarnings("unused")
     private static class TestSubClass extends Test1 {