diff --git a/Formula/alac.rb b/Formula/alac.rb
index 47a95b96aa..a6d0839849 100644
--- a/Formula/alac.rb
+++ b/Formula/alac.rb
@@ -1,12 +1,22 @@
-require 'formula'
-
 class Alac < Formula
-  homepage 'http://craz.net/programs/itunes/alac.html'
-  url 'http://craz.net/programs/itunes/files/alac_decoder-0.2.0.tgz'
-  sha1 'a620f6293ef2d9490927d21ec341bbeff13eabe8'
+  homepage "https://web.archive.org/web/20150319040222/http://craz.net/programs/itunes/alac.html"
+  url "https://web.archive.org/web/20150510210401/http://craz.net/programs/itunes/files/alac_decoder-0.2.0.tgz"
+  sha256 "7f8f978a5619e6dfa03dc140994fd7255008d788af848ba6acf9cfbaa3e4122f"
+
+  resource "sample" do
+    url "http://download.wavetlan.com/SVV/Media/HTTP/AAC/iTunes/iTunes_test4_AAC-LC_v4_Stereo_VBR_128kbps_44100Hz.m4a"
+    sha256 "c2b36e40aa48348837515172874db83c344bfe3fd9108956fb12c488be8e17d9"
+  end
 
   def install
     system "make", "CFLAGS=#{ENV.cflags}", "CC=#{ENV.cc}"
-    bin.install 'alac'
+    bin.install "alac"
+  end
+
+  test do
+    resource("sample").stage do
+      assert_equal "file type: mp4a\n",
+        shell_output("#{bin}/alac -t iTunes_test4_AAC-LC_v4_Stereo_VBR_128kbps_44100Hz.m4a", 100)
+    end
   end
 end