// Col 1
dataProvider.setDataValue(1, 0, "Elephant");
dataProvider.setDataValue(1, 1, "Cat");
dataProvider.setDataValue(1, 2, "Rat");
AutoResizeColumnCommandFixture command = new AutoResizeColumnCommandFixture();
GCFactory gcFactory = command.getGCFactory();
IConfigRegistry registry = command.getConfigRegistry();
GC gc = gcFactory.createGC();
int col0MaxTextWidth = new TextPainter().getPreferredWidth(
new CellFixture("Longest Text"), gc, registry);
int col1MaxTextWidth = new TextPainter().getPreferredWidth(
new CellFixture("Elephant"), gc, registry);