diff --git a/src/test/java/test/NekoAnnotationTest.java b/src/test/java/test/NekoAnnotationTest.java
new file mode 100644
index 00000000..0561db51
--- /dev/null
+++ b/src/test/java/test/NekoAnnotationTest.java
@@ -0,0 +1,150 @@
+package test;
+
+import com.tkisor.nekojs.api.annotation.HideFromJS;
+import com.tkisor.nekojs.api.annotation.Remap;
+import com.tkisor.nekojs.api.annotation.RemapByPrefix;
+import graal.graalvm.polyglot.Context;
+import graal.graalvm.polyglot.HostAccess;
+import net.neoforged.fml.loading.FMLLoader;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+/**
+ * @author ZZZank
+ */
+public class NekoAnnotationTest {
+    static {
+        Thread.currentThread().setContextClassLoader(FMLLoader.getCurrent().getCurrentClassLoader());
+    }
+
+    @Test
+    public void testNormalField() {
+        try (var cx = createTestContext()) {
+            var result = cx.eval("js", "obj.field");
+            Assertions.assertEquals(1, result.asInt());
+        }
+    }
+
+    @Test
+    public void testHiddenField() {
+        try (var cx = createTestContext()) {
+            // Hidden field should not be accessible from JS
+            var result = cx.eval("js", "typeof obj.hiddenField");
+            Assertions.assertEquals("undefined", result.asString());
+        }
+    }
+
+    @Test
+    public void testRemappedByPrefixField() {
+        try (var cx = createTestContext()) {
+            // example$remappedField should be accessible as remappedField
+            var result = cx.eval("js", "obj.remappedField");
+            Assertions.assertEquals(3, result.asInt());
+
+            // Original name should not be accessible
+            var originalNameResult = cx.eval("js", "typeof obj['example$remappedField']");
+            Assertions.assertEquals("undefined", originalNameResult.asString());
+        }
+    }
+
+    @Test
+    public void testCustomRemappedField() {
+        try (var cx = createTestContext()) {
+            // wow$customRemappedField should be accessible as customRemappedField
+            var result = cx.eval("js", "obj.customRemappedField");
+            Assertions.assertEquals(4, result.asInt());
+
+            // Original name should not be accessible
+            var originalNameResult = cx.eval("js", "typeof obj['wow$customRemappedField']");
+            Assertions.assertEquals("undefined", originalNameResult.asString());
+        }
+    }
+
+    @Test
+    public void testNormalMethod() {
+        try (var cx = createTestContext()) {
+            var result = cx.eval("js", "obj.method()");
+            Assertions.assertEquals("method()", result.asString());
+        }
+    }
+
+    @Test
+    public void testHiddenMethod() {
+        try (var cx = createTestContext()) {
+            // Hidden method should not be accessible from JS
+            var result = cx.eval("js", "typeof obj.hiddenMethod");
+            Assertions.assertEquals("undefined", result.asString());
+        }
+    }
+
+    @Test
+    public void testRemappedByPrefixMethod() {
+        try (var cx = createTestContext()) {
+            // example$remappedMethod should be accessible as remappedMethod
+            var result = cx.eval("js", "obj.remappedMethod()");
+            Assertions.assertEquals("remappedMethod()", result.asString());
+
+            // Original name should not be accessible
+            var originalNameResult = cx.eval("js", "typeof obj['example$remappedMethod']");
+            Assertions.assertEquals("undefined", originalNameResult.asString());
+        }
+    }
+
+    @Test
+    public void testAllHidden() {
+        try (var cx = createTestContext()) {
+            var methodResult = cx.eval("js", "typeof allHidden.method");
+            Assertions.assertEquals("undefined", methodResult.asString());
+
+            var fieldResult = cx.eval("js", "typeof allHidden.field");
+            Assertions.assertEquals("undefined", fieldResult.asString());
+        }
+    }
+
+    private static Context createTestContext() {
+        var cx = Context.newBuilder("js")
+            .allowHostAccess(HostAccess.ALL)
+            .build();
+
+        var bindings = cx.getBindings("js");
+        bindings.putMember("obj", new TestObject());
+        bindings.putMember("allHidden", new AllHiddenTestObject());
+
+        return cx;
+    }
+
+    @RemapByPrefix("example$")
+    @SuppressWarnings("unused")
+    public static class TestObject {
+
+        public int field = 1;
+        @HideFromJS
+        public int hiddenField = 2;
+        public int example$remappedField = 3;
+        @Remap("customRemappedField")
+        public int wow$customRemappedField = 4;
+
+        public String method() {
+            return "method()";
+        }
+
+        @HideFromJS
+        public String hiddenMethod() {
+            throw new AssertionError("hidden method accessed");
+        }
+
+        public String example$remappedMethod() {
+            return "remappedMethod()";
+        }
+    }
+
+    @HideFromJS
+    @SuppressWarnings("unused")
+    public static class AllHiddenTestObject {
+        public int field = 1;
+
+        public String method() {
+            return "method()";
+        }
+    }
+}