add test case

Author: afc163

src/Pagination.tsx

@@ -189,9 +189,6 @@ const Pagination: React.FC<PaginationProps> = (props) => {
   }
 
   function changePageSize(size: number) {
-    if (!showSizeChanger) {
-      return;
-    }
     const newCurrent = calculatePage(size, pageSize, total);
     const nextCurrent =
       current > newCurrent && newCurrent !== 0 ? newCurrent : current;

tests/sizer.test.tsx

@@ -84,7 +84,7 @@ describe('Pagination with sizer', () => {
     ).toHaveTextContent('20 条/页');
   });
 
-  describe('Pagination with showSizeChanger', () => {
+  describe('showSizeChanger is object', () => {
     const options = [
       { value: '10', label: '10 条每页' },
       { value: '25', label: '25 条每页' },