c_glib/test/test-uint-array-builder.rb

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class TestUIntArrayBuilder < Test::Unit::TestCase
  include Helper::Buildable

  def test_uint8
    values = [0, 2]
    assert_equal(build_uint_array([*values, nil]),
                 Arrow::UInt8Array.new(3,
                                       Arrow::Buffer.new(values.pack("C*")),
                                       Arrow::Buffer.new([0b011].pack("C*")),
                                       -1))
  end

  def test_uint16
    border_value = 2 ** 8
    values = [0, border_value]
    assert_equal(build_uint_array([*values, nil]),
                 Arrow::UInt16Array.new(3,
                                       Arrow::Buffer.new(values.pack("S*")),
                                       Arrow::Buffer.new([0b011].pack("C*")),
                                       -1))
  end

  def test_uint32
    border_value = 2 ** 16
    values = [0, border_value]
    assert_equal(build_uint_array([*values, nil]),
                 Arrow::UInt32Array.new(3,
                                       Arrow::Buffer.new(values.pack("L*")),
                                       Arrow::Buffer.new([0b011].pack("C*")),
                                       -1))
  end

  def test_uint64
    border_value = 2 ** 32
    values = [0, border_value]
    assert_equal(build_uint_array([*values, nil]),
                 Arrow::UInt64Array.new(3,
                                        Arrow::Buffer.new(values.pack("Q*")),
                                        Arrow::Buffer.new([0b011].pack("C*")),
                                        -1))
  end
end