class Zstd < Formula desc "Zstandard - Fast real-time compression algorithm" homepage "http://www.zstd.net/" url "https://github.com/Cyan4973/zstd/archive/v1.0.0.tar.gz" sha256 "197e6ef74da878cbf72844f38461bb18129d144fd5221b3598e973ecda6f5963" def install system "make", "install", "PREFIX=#{prefix}" end test do (testpath/"input.txt").write("Hello, world." * 10) system "#{bin}/zstd", "input.txt", "-o", "compressed.zst" system "#{bin}/zstd", "--test", "compressed.zst" system "#{bin}/zstd", "-d", "compressed.zst", "-o", "decompressed.txt" system "cmp", "input.txt", "decompressed.txt" end end