diff a/test/jdk/java/lang/reflect/Field/StrictInitFinalFields.java b/test/jdk/java/lang/reflect/Field/StrictInitFinalFields.java
--- /dev/null
+++ b/test/jdk/java/lang/reflect/Field/StrictInitFinalFields.java
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 2026, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @summary Test Field access to strictly-initialized final fields
+ * @enablePreview
+ * @library /test/lib
+ * @build ${test.main.class}
+ * @run driver jdk.test.lib.helpers.StrictProcessor StrictInitFinalFields$TestClass
+ * @run junit/othervm --enable-final-field-mutation=ALL-UNNAMED ${test.main.class}
+ * @run junit/othervm --illegal-final-field-mutation=allow ${test.main.class}
+ */
+
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.MethodHandles.Lookup;
+import java.lang.invoke.VarHandle;
+import java.lang.reflect.Field;
+import jdk.test.lib.helpers.StrictInit;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+class StrictInitFinalFields {
+
+    /**
+     * Test class with strictly-initialized final fields.
+     */
+    static class TestClass {
+        @StrictInit
+        private static final int DEFAULT_VALUE;
+        static {
+            DEFAULT_VALUE = 100;
+        }
+
+        @StrictInit
+        private final int value;
+
+        TestClass() {
+            this.value = DEFAULT_VALUE;
+            super();
+        }
+
+        TestClass(int i) {
+            this.value = i;
+            super();
+        }
+    }
+
+    /**
+     * Get/set strictly initialized static field.
+     */
+    @Test
+    void testStaticField() throws Throwable {
+        Field field = TestClass.class.getDeclaredField("DEFAULT_VALUE");
+        assertTrue(field.isStrictInit());
+
+        int initialValue = TestClass.DEFAULT_VALUE;
+        int newValue = initialValue + 100;
+
+        // Field.get/set before setAccessible
+        assertEquals(initialValue, field.get(null));
+        assertThrows(IllegalAccessException.class, () -> field.set(null, newValue));
+
+        field.setAccessible(true);
+
+        // Field.get/set after setAccessible
+        assertEquals(initialValue, field.get(null));
+        assertThrows(IllegalAccessException.class, () -> field.set(null, newValue));
+
+        // VarHandle produced from reflected field
+        var lookup = MethodHandles.lookup();
+        VarHandle vh = lookup.unreflectVarHandle(field);
+        assertEquals(initialValue, vh.get());
+        assertThrows(UnsupportedOperationException.class, () -> vh.set(newValue));
+
+        // Method handles produced from reflected field
+        assertEquals(initialValue, (int) lookup.unreflectGetter(field).invokeExact());
+        assertThrows(IllegalAccessException.class, () -> lookup.unreflectSetter(field));
+
+        MethodHandle mh = lookup.findStaticGetter(TestClass.class, "DEFAULT_VALUE", int.class);
+        assertEquals(initialValue, (int) mh.invokeExact());
+        assertThrows(IllegalAccessException.class,
+                () -> lookup.findStaticSetter(TestClass.class, "DEFAULT_VALUE", int.class));
+
+        assertEquals(initialValue, TestClass.DEFAULT_VALUE);  // check unchanged
+    }
+
+    /**
+     * Get/set strictly initialized instance field.
+     */
+    @Test
+    void testInstanceField() throws Throwable {
+        Field field = TestClass.class.getDeclaredField("value");
+        assertTrue(field.isStrictInit());
+
+        var obj = new TestClass(150);
+        int initialValue = obj.value;
+        int newValue = initialValue + 100;
+
+        // Field.get/set before setAccessible
+        assertEquals(initialValue, field.get(obj));
+        assertThrows(IllegalAccessException.class, () -> field.set(obj, newValue));
+
+        // Field.get/set after setAccessible
+        field.setAccessible(true);
+        assertEquals(initialValue, field.get(obj));
+        assertThrows(IllegalAccessException.class, () -> field.set(obj, newValue));
+
+        // VarHandle produced from reflected field
+        var lookup = MethodHandles.lookup();
+        VarHandle vh = lookup.unreflectVarHandle(field);
+        assertEquals(initialValue, vh.get(obj));
+        assertThrows(UnsupportedOperationException.class, () -> vh.set(obj, newValue));
+
+        // Method handles produced from reflected field
+        assertEquals(initialValue, (int) lookup.unreflectGetter(field).invokeExact(obj));
+        assertThrows(IllegalAccessException.class, () -> lookup.unreflectSetter(field));
+
+        MethodHandle mh = lookup.findGetter(TestClass.class, "value", int.class);
+        assertEquals(initialValue, (int) mh.invokeExact(obj));
+        assertThrows(IllegalAccessException.class,
+                () -> lookup.findSetter(TestClass.class, "value", int.class));
+
+        assertEquals(initialValue, obj.value);  // check unchanged
+    }
+}