Function mutateData

src/cdk/table/table.spec.ts:1760–1773

()

    // Swap first two elements, remove the third, add new data
    function mutateData() {
      // Swap first and second data in data array
      const copiedData = component.dataSource.data.slice();
      const temp = copiedData[0];
      copiedData[0] = copiedData[1];
      copiedData[1] = temp;

      // Remove the third element
      copiedData.splice(2, 1);

      // Add new data
      component.dataSource.data = copiedData;
      component.dataSource.addData();
    }

    it('should add/remove/move rows with reference-based trackBy', () => {
      createTestComponentWithTrackyByTable('reference');