From ba55dc166a0c9df7867442d7ad01df242b15f7cf Mon Sep 17 00:00:00 2001
From: yp9522 <yanpeng51@h-partners.com>
Date: Wed, 25 Jun 2025 17:39:38 +0800
Subject: [PATCH] =?UTF-8?q?=E9=87=8D=E5=86=99=E7=88=B6=E7=B1=BB=E6=88=96?=
 =?UTF-8?q?=E6=8E=A5=E5=8F=A3=E7=A7=81=E6=9C=89=E6=96=B9=E6=B3=95=E6=8A=A5?=
 =?UTF-8?q?CTE=201=20Issue:=20https://gitee.com/openharmony/arkcompiler=5F?=
 =?UTF-8?q?ets=5Ffrontend/issues/ICHSCY?=
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Signed-off-by: yp9522 <yanpeng51@h-partners.com>
---
 .../compiler/ets/override_private_method.ets  | 39 +++++++++++++++
 .../runtime/ets/override_private_method.ets   | 47 +++++++++++++++++++
 2 files changed, 86 insertions(+)
 create mode 100644 ets2panda/test/ast/compiler/ets/override_private_method.ets
 create mode 100644 ets2panda/test/runtime/ets/override_private_method.ets

diff --git a/ets2panda/test/ast/compiler/ets/override_private_method.ets b/ets2panda/test/ast/compiler/ets/override_private_method.ets
new file mode 100644
index 0000000000..c34126e906
--- /dev/null
+++ b/ets2panda/test/ast/compiler/ets/override_private_method.ets
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+class Base {
+    public public_member() {}
+    protected protected_member() {}
+    private private_member() {}
+}
+
+class Derived extends Base {
+    public override public_member() {}
+    protected override protected_member() {}
+    private override private_member/* @@ label */() {}
+}
+
+interface Interface {
+    public_member();
+    private private_member() {}
+}
+
+class Derived2 implements Interface {
+    public override public_member() {}
+    private override private_member/* @@ label1 */() {}
+}
+
+/* @@@ label Error TypeError: Method private_member(): void in Derived not overriding any method */
+/* @@@ label1 Error TypeError: Method private_member(): void in Derived2 not overriding any method */
diff --git a/ets2panda/test/runtime/ets/override_private_method.ets b/ets2panda/test/runtime/ets/override_private_method.ets
new file mode 100644
index 0000000000..b32cf69ae8
--- /dev/null
+++ b/ets2panda/test/runtime/ets/override_private_method.ets
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+class Base {
+    public public_member(): int {
+        return 10;
+    }
+    protected protected_member(): int {
+        return 20;
+    }
+    private private_member(): int { // Subclasses can't override parent's private member
+        return 30;
+    }
+}
+
+interface Interface {
+    public_member(): int;
+    private private_member(): int {}
+}
+
+class Derived extends Base implements Interface{
+    public override public_member(): int {
+        return 1;
+    }
+    protected override protected_member(): int {
+        return 2;
+    }
+}
+
+function main() {
+    let base : Base = new Base();
+    let derived : Derived = new Derived();
+    assertEQ(base.public_member(), 10);
+    assertEQ(derived.public_member(), 1);
+}
-- 
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