class Terminalimageviewer < Formula
  desc "Display images in a terminal using block graphic characters"
  homepage "https://github.com/stefanhaustein/TerminalImageViewer"
  url "https://github.com/stefanhaustein/TerminalImageViewer/archive/v1.0.0.tar.gz"
  sha256 "d28c5746d25d83ea707db52b54288c4fc1851c642ae021951967e69296450c8c"
  head "https://github.com/stefanhaustein/TerminalImageViewer.git"
  depends_on "imagemagick"

  def install
    cd "src/main/cpp" do
      # No expermimental/filesystem.h on clang
      system "make"
      bin.install "tiv"
    end
  end

  test do
    # Downloads a public domain test file from wikimedia commons and displays it.
    # For some reason, when you redirect the output it is blank.
    assert_equal "",
    shell_output("#{bin}/tiv -0 https://upload.wikimedia.org/wikipedia/commons/2/24/Cornell_box.png").strip
  end
end