test: cover dropdown forwarded ref

Author: afc163

tests/basic.test.tsx

@@ -99,6 +99,19 @@ describe('dropdown', () => {
     expect(onVisibleChange).toHaveBeenCalledWith(false);
   });
 
+  it('forwards ref to trigger', () => {
+    const ref = createRef<any>();
+    const { container } = render(
+      <Dropdown ref={ref} overlay={<div>Test</div>}>
+        <button className="my-button">open</button>
+      </Dropdown>,
+    );
+
+    expect(ref.current.nativeElement).toBe(
+      container.querySelector('.my-button'),
+    );
+  });
+
   it('simply works', async () => {
     let clicked;