From b8562dfdd932788b04effd7a781ad99642f6e7b6 Mon Sep 17 00:00:00 2001
From: kdletters <kdletters@qq.com>
Date: Sat, 20 Jun 2026 04:17:17 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A1=A5=E9=BD=90=E7=A7=BB=E5=8A=A8=E5=A3=B3?=
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移动壳剪贴板测试覆盖多字节文本按共享上限截断

移动壳配置检查反查剪贴板 Unicode 截断用例
---
 apps/mobile-shell/scripts/check-config.mjs       |  3 +++
 apps/mobile-shell/src/host-bridge/bridge.test.ts | 11 +++++++++++
 2 files changed, 14 insertions(+)

diff --git a/apps/mobile-shell/scripts/check-config.mjs b/apps/mobile-shell/scripts/check-config.mjs
index 77ee460cd..56faf7445 100644
--- a/apps/mobile-shell/scripts/check-config.mjs
+++ b/apps/mobile-shell/scripts/check-config.mjs
@@ -1797,6 +1797,9 @@ for (const snippet of [
     throw new Error(`mobile shell clipboard module is missing ${snippet}`);
   }
 }
+if (!bridgeTestSource.includes("'猫'.repeat(100000)")) {
+  throw new Error('mobile shell clipboard tests must cover Unicode truncation');
+}
 
 if (
   !hapticsSource.includes('normalizeHostBridgeHapticsImpactStyle(rawStyle)') ||
diff --git a/apps/mobile-shell/src/host-bridge/bridge.test.ts b/apps/mobile-shell/src/host-bridge/bridge.test.ts
index 7b64f608b..e16da2256 100644
--- a/apps/mobile-shell/src/host-bridge/bridge.test.ts
+++ b/apps/mobile-shell/src/host-bridge/bridge.test.ts
@@ -709,6 +709,17 @@ describe('handleMobileHostBridgeMessage', () => {
 
     expect(expectOk(response).result).toBe(true);
     expect(Clipboard.setStringAsync).toHaveBeenCalledWith('a'.repeat(100000));
+
+    vi.mocked(Clipboard.setStringAsync).mockClear();
+
+    const unicodeResponse = await send(
+      request('clipboard.writeText', {
+        text: '猫'.repeat(100010),
+      }),
+    );
+
+    expect(expectOk(unicodeResponse).result).toBe(true);
+    expect(Clipboard.setStringAsync).toHaveBeenCalledWith('猫'.repeat(100000));
   });
 
   test('clipboard.readText 读取失败时返回 host_error', async () => {