ruby/red-arrow-format/test/test-boolean-array.rb

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class TestBooleanArray < Test::Unit::TestCase
  def setup
    @values = [true, nil, false]
    @array = ArrowFormat::BooleanArray.new(@values)
  end

  sub_test_case("#initialize") do
    def test_no_null
      assert_equal([true, false],
                   ArrowFormat::BooleanArray.new([true, false]).to_a)
    end

    def test_null_multiple_bytes
      values = [true] * 8 + [nil, false]
      assert_equal(values,
                   ArrowFormat::BooleanArray.new(values).to_a)
    end

    def test_mixed
      assert_equal([true, nil, false],
                   ArrowFormat::BooleanArray.new([true, nil, false]).to_a)
    end
  end

  sub_test_case("#==") do
    def test_no_slice
      array1 = ArrowFormat::BooleanArray.new([true, nil, false])
      array2 = ArrowFormat::BooleanArray.new([true, nil, false])
      assert_equal(array1, array2)
    end

    def test_sliced
      array1 = ArrowFormat::BooleanArray.new([true, nil, false])
      array2 = ArrowFormat::BooleanArray.new([true, true, nil, false, true])
      assert_equal(array1, array2.slice(1, 3))
    end

    def test_sliced_different_content
      array1 = ArrowFormat::BooleanArray.new([true, nil, false])
      array2 = ArrowFormat::BooleanArray.new([true, false, nil, false, true])
      assert_not_equal(array1, array2.slice(1, 3))
    end
  end

  sub_test_case("#[]") do
    def test_valid
      assert_equal(@values[2], @array[2])
    end

    def test_null
      assert_nil(@array[1])
    end
  end
end