@Test
public void testCenter() throws Exception {

    TextOutline outline = new TextOutline("Cl", font);
    AtomSymbol symbol = new AtomSymbol(outline, Collections.<TextOutline> emptyList());
    AtomSymbol transformed = symbol.center(2, 2);
    Rectangle2D oBounds = outline.getBounds();
    Rectangle2D newBounds = transformed.getOutlines().get(0).getBounds2D();
    double dx = 2 - oBounds.getCenterX();
    double dy = 2 - oBounds.getCenterY();
    assertThat(newBounds.getX(), closeTo(oBounds.getMinX() + dx, 0.01));
    assertThat(newBounds.getY(), closeTo(oBounds.getMinY() + dy, 0.01));
    assertThat(newBounds.getMaxX(), closeTo(oBounds.getMaxX() + dx, 0.01));
    assertThat(newBounds.getMaxY(), closeTo(oBounds.getMaxY() + dy, 0.01));
}