c_glib/test/test-file-output-stream.rb

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#
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class TestFileOutputStream < Test::Unit::TestCase
  sub_test_case(".new") do
    def test_create
      tempfile = Tempfile.open("arrow-io-file-output-stream")
      tempfile.write("Hello")
      tempfile.close
      file = Arrow::FileOutputStream.new(tempfile.path, false)
      file.close
      assert_equal("", File.read(tempfile.path))
    end

    def test_append
      tempfile = Tempfile.open("arrow-io-file-output-stream")
      tempfile.write("Hello")
      tempfile.close
      file = Arrow::FileOutputStream.new(tempfile.path, true)
      file.close
      assert_equal("Hello", File.read(tempfile.path))
    end
  end
end