add test

Author: thinkasany

tests/index.test.tsx

@@ -260,6 +260,18 @@ describe('Other props', () => {
     expect(prev).toHaveStyle('color: red');
     expect(next).toHaveStyle('color: red');
   });
+  it('should have 5 items when there are 3 pages and current page is 2', () => {
+    const { container } = render(
+      <Pagination
+        total={15}
+        pageSize={5}
+        current={2}
+        classNames={{ item: 'custom-test' }}
+      />,
+    );
+    const items = container.querySelectorAll('.custom-test');
+    expect(items.length).toBe(5);
+  });
   it('should support custom default icon', () => {
     const nextIcon = () => <span>nextIcon</span>;
     const prevIcon = () => <span>prevIcon</span>;