Function verifyMaxEntriesInRow

test/components/legendTests.ts:186–194

(n: number)

      legend.renderTo(div);

      function verifyMaxEntriesInRow (n: number) {
        legend.maxEntriesPerRow(n);
        const rows = legend.content().selectAll<Element, any>(ROW_SELECTOR);
        assert.strictEqual(rows.size(), (6 / n), "number of rows is correct");
        rows.each(function(d: any) {
          const entries = d3.select(this).selectAll<Element, any>(ENTRY_SELECTOR);
          assert.strictEqual(entries.size(), n, "number of entries in row is correct");
        });
      }

      verifyMaxEntriesInRow(1);
      verifyMaxEntriesInRow(2);