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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
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class TestFloatArray < Test::Unit::TestCase
  include Helper::Buildable
  include Helper::Omittable

  def test_new
    assert_equal(build_float_array([-1.1, 2.2, nil]),
                 Arrow::FloatArray.new(3,
                                       Arrow::Buffer.new([-1.1, 2.2].pack("f*")),
                                       Arrow::Buffer.new([0b011].pack("C*")),
                                       -1))
  end

  def test_buffer
    builder = Arrow::FloatArrayBuilder.new
    builder.append_value(-1.1)
    builder.append_value(2.2)
    builder.append_value(-4.4)
    array = builder.finish
    assert_equal([-1.1, 2.2, -4.4].pack("f*"), array.buffer.data.to_s)
  end

  def test_value
    builder = Arrow::FloatArrayBuilder.new
    builder.append_value(1.5)
    array = builder.finish
    assert_in_delta(1.5, array.get_value(0))
  end

  def test_values
    require_gi_bindings(3, 1, 7)
    builder = Arrow::FloatArrayBuilder.new
    builder.append_value(1.5)
    builder.append_value(3)
    builder.append_value(4.5)
    array = builder.finish
    assert_equal([1.5, 3.0, 4.5], array.values)
  end

  sub_test_case("#sum") do
    def test_with_nil
      array = build_float_array([1.5, 3.0, nil])
      assert_in_delta(4.5, array.sum)
    end

    def test_empty
      array = build_float_array([])
      assert_in_delta(0.0, array.sum)
    end
  end
end