Function assertStickyOffsets

src/cdk/table/table.spec.ts:2093–2096

(position: number)

    it('should update the position of sticky cells as the user is scrolling', async () => {
      const {fixture, table} = await createVirtualScroll(TableWithVirtualScroll);
      const assertStickyOffsets = (position: number) => {
        getHeaderCells(table).forEach(cell => expect(cell.style.top).toBe(`${position * -1}px`));
        getFooterCells(table).forEach(cell => expect(cell.style.bottom).toBe(`${position}px`));
      };

      assertStickyOffsets(0);
      await triggerScroll(fixture, 1000);