  it('bin2pos should throw with illegal parameters', function () {
    // when
    var bin2posFixed = function () { mapper_200.bin2pos(1e9) };
    var bin2posUniform = function () { mapper_2Mb.bin2pos(1e9) };

    // then
    expect(bin2posFixed).toThrow();
    expect(bin2posUniform).toThrow();
  });