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#
#   http://www.apache.org/licenses/LICENSE-2.0
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class TestInt16Array < Test::Unit::TestCase
  include Helper::Buildable
  include Helper::Omittable

  def test_new
    assert_equal(build_int16_array([-1, 2, nil]),
                 Arrow::Int16Array.new(3,
                                       Arrow::Buffer.new([-1, 2].pack("s*")),
                                       Arrow::Buffer.new([0b011].pack("C*")),
                                       -1))
  end

  def test_buffer
    builder = Arrow::Int16ArrayBuilder.new
    builder.append_value(-1)
    builder.append_value(2)
    builder.append_value(-4)
    array = builder.finish
    assert_equal([-1, 2, -4].pack("s*"), array.buffer.data.to_s)
  end

  def test_value
    builder = Arrow::Int16ArrayBuilder.new
    builder.append_value(-1)
    array = builder.finish
    assert_equal(-1, array.get_value(0))
  end

  def test_values
    require_gi_bindings(3, 1, 7)
    builder = Arrow::Int16ArrayBuilder.new
    builder.append_value(-1)
    builder.append_value(2)
    builder.append_value(-4)
    array = builder.finish
    assert_equal([-1, 2, -4], array.values)
  end

  def test_sum
    array = build_int16_array([2, -4, nil])
    assert_equal(-2, array.sum)
  end
end
