c_glib/test/test-buffer-input-stream.rb

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class TestBufferInputStream < Test::Unit::TestCase
  def test_read
    buffer = Arrow::Buffer.new("Hello World")
    buffer_input_stream = Arrow::BufferInputStream.new(buffer)
    read_buffer = buffer_input_stream.read(5)
    assert_equal("Hello", read_buffer.data.to_s)
  end

  def test_advance
    buffer = Arrow::Buffer.new("Hello World")
    buffer_input_stream = Arrow::BufferInputStream.new(buffer)
    buffer_input_stream.advance(6)
    read_buffer = buffer_input_stream.read(5)
    assert_equal("World", read_buffer.data.to_s)
  end

  def test_align
    buffer = Arrow::Buffer.new("Hello World")
    buffer_input_stream = Arrow::BufferInputStream.new(buffer)
    buffer_input_stream.advance(3)
    buffer_input_stream.align(8)
    read_buffer = buffer_input_stream.read(3)
    assert_equal("rld", read_buffer.data.to_s)
  end
end