svoid test_StructureStringIndenter() {
  S expected = unindentMLS([[
    X(
      i=[C(name="something short")],
      j=array{
        "something longer than 40 chars?",
        e,
        f,
        g,
        123
      },
      o=u
    )
  ]];
  var indenter = new StructureStringIndenter().verbose(true);
  
  S s = [[X(i=[C(name="something short")], j=array{"something longer than 40 chars?", e, f, g, 123}, o=u)]];
  assertEquals(rtrim(expected), rtrim(print(indenter.get(s))));
  
  s = expected = [[intarray{1, 2}]];
  assertEquals(rtrim(expected), rtrim(print(indenter.get(s))));
}