c_glib/test/test-take.rb

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class TestTake < Test::Unit::TestCase
  include Helper::Buildable
  include Helper::Omittable

  def test_no_null
    require_gi(1, 42, 0)
    indices = build_int16_array([1, 0, 2])
    assert_equal(build_int16_array([0, 1, 2]),
                 build_int16_array([1, 0 ,2]).take(indices))
  end

  def test_null
    require_gi(1, 42, 0)
    indices = build_int16_array([2, nil, 0])
    assert_equal(build_int16_array([2, nil, 1]),
                 build_int16_array([1, 0, 2]).take(indices))
  end

  def test_out_of_index
    require_gi(1, 42, 0)
    indices = build_int16_array([1, 2, 3])
    assert_raise(Arrow::Error::Index) do
      build_int16_array([0, 1, 2]).take(indices)
    end
  end
end