chore: add test case

components/transfer/__tests__/index.test.tsx

@@ -73,6 +73,19 @@ const searchTransferProps = {
   targetKeys: ['3', '4'],
 };
 
+const generateData = (n = 20) => {
+  const data = [];
+  for (let i = 0; i < n; i++) {
+    data.push({
+      key: `${i}`,
+      title: `content${i}`,
+      description: `description of content${i}`,
+      chosen: false,
+    });
+  }
+  return data;
+};
+
 describe('Transfer', () => {
   mountTest(Transfer);
   rtlTest(Transfer);
@@ -571,6 +584,17 @@ describe('Transfer', () => {
       );
       await waitFor(() => expect(getAllByTitle('1/1')).toHaveLength(2));
     });
+
+    it('should support change pageSize', () => {
+      const dataSource = generateData();
+      const { container } = render(
+        <Transfer dataSource={dataSource} pagination={{ showSizeChanger: true, simple: false }} />,
+      );
+
+      fireEvent.mouseDown(container.querySelector('.ant-select-selector')!);
+      fireEvent.click(container.querySelectorAll('.ant-select-item-option')[1]);
+      expect(container.querySelectorAll('.ant-transfer-list-content-item').length).toBe(20);
+    });
   });
 
   it('remove by click icon', () => {