c_glib/test/test-array.rb

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

  def test_equal
    assert_equal(build_boolean_array([true, false]),
                 build_boolean_array([true, false]))
  end

  def test_equal_approx
    array1 = build_double_array([1.1, 2.2 + Float::EPSILON * 10])
    array2 = build_double_array([1.1, 2.2])
    assert do
      array1.equal_approx(array2)
    end
  end

  def test_equal_range
    array1 = build_int32_array([1, 2, 3, 4, 5])
    array2 = build_int32_array([-2, -1, 0, 1, 2, 3, 4, 999])
    assert do
      array1.equal_range(1, array2, 4, 3)
    end
  end

  def test_is_null
    builder = Arrow::BooleanArrayBuilder.new
    builder.append_null
    builder.append_value(true)
    array = builder.finish
    assert_equal([true, false],
                 array.length.times.collect {|i| array.null?(i)})
  end

  def test_is_valid
    builder = Arrow::BooleanArrayBuilder.new
    builder.append_null
    builder.append_value(true)
    array = builder.finish
    assert_equal([false, true],
                 array.length.times.collect {|i| array.valid?(i)})
  end

  def test_length
    builder = Arrow::BooleanArrayBuilder.new
    builder.append_value(true)
    array = builder.finish
    assert_equal(1, array.length)
  end

  def test_n_nulls
    builder = Arrow::BooleanArrayBuilder.new
    builder.append_null
    builder.append_null
    array = builder.finish
    assert_equal(2, array.n_nulls)
  end

  def test_null_bitmap
    builder = Arrow::BooleanArrayBuilder.new
    builder.append_null
    builder.append_value(true)
    builder.append_value(false)
    builder.append_null
    builder.append_value(false)
    array = builder.finish
    assert_equal(0b10110, array.null_bitmap.data.to_s.unpack("c*")[0])
  end

  def test_value_data_type
    builder = Arrow::BooleanArrayBuilder.new
    array = builder.finish
    assert_equal(Arrow::BooleanDataType.new, array.value_data_type)
  end

  def test_value_type
    builder = Arrow::BooleanArrayBuilder.new
    array = builder.finish
    assert_equal(Arrow::Type::BOOLEAN, array.value_type)
  end

  def test_slice
    builder = Arrow::BooleanArrayBuilder.new
    builder.append_value(true)
    builder.append_value(false)
    builder.append_value(true)
    array = builder.finish
    sub_array = array.slice(1, 2)
    assert_equal([false, true],
                 sub_array.length.times.collect {|i| sub_array.get_value(i)})
  end

  def test_to_s
    assert_equal(<<-CONTENT.chomp, build_boolean_array([true, false, true]).to_s)
[
  true,
  false,
  true
]
    CONTENT
  end
end