diff --git a/src/__tests__/context.test.ts b/src/__tests__/context.test.ts
new file mode 100644
index 00000000..e18714e0
--- /dev/null
+++ b/src/__tests__/context.test.ts
@@ -0,0 +1,41 @@
+import { describe, expect, test, mock, afterEach, afterAll } from 'bun:test';
+
+// Must set __DEV__ before importing context.ts
+const _origDEV = (globalThis as any).__DEV__;
+(globalThis as any).__DEV__ = true;
+
+const mockUseContext = mock(() => ({}));
+
+mock.module('react', () => {
+  return {
+    createContext: mock((defaultValue) => defaultValue),
+    useContext: mockUseContext,
+  };
+});
+
+// Import context after setting up mocks
+const { useUpdate } = await import('../context');
+const { default: i18n } = await import('../i18n');
+
+describe('context', () => {
+  afterAll(() => {
+    (globalThis as any).__DEV__ = _origDEV;
+  });
+
+  afterEach(() => {
+    mockUseContext.mockClear();
+  });
+
+  test('useUpdate throws error when used outside UpdateProvider in __DEV__', () => {
+    mockUseContext.mockReturnValue({});
+
+    expect(() => useUpdate()).toThrow(i18n.t('error_use_update_outside_provider'));
+  });
+
+  test('useUpdate returns context when used inside UpdateProvider', () => {
+    const mockContext = { client: {} };
+    mockUseContext.mockReturnValue(mockContext);
+
+    expect(useUpdate()).toBe(mockContext as any);
+  });
+});