bchunk: test added

Closes Homebrew/homebrew#35573.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

Formula/bchunk.rb

@@ -1,13 +1,24 @@
-require 'formula'
-
 class Bchunk < Formula
-  homepage 'http://he.fi/bchunk/'
-  url 'http://he.fi/bchunk/bchunk-1.2.0.tar.gz'
-  sha1 'a328e4665eb5e51df63d8d27d1d75ecc74bdef9e'
+  homepage "http://he.fi/bchunk/"
+  url "http://he.fi/bchunk/bchunk-1.2.0.tar.gz"
+  sha1 "a328e4665eb5e51df63d8d27d1d75ecc74bdef9e"
 
   def install
     system "make"
-    bin.install 'bchunk'
-    man1.install 'bchunk.1'
+    bin.install "bchunk"
+    man1.install "bchunk.1"
+  end
+
+  test do
+    (testpath/"foo.cue").write <<-EOS.undent
+    foo.bin BINARY
+    TRACK 01 MODE1/2352
+    INDEX 01 00:00:00
+    EOS
+
+    touch testpath/"foo.bin"
+
+    system "#{bin}/bchunk", "foo.bin", "foo.cue", "foo"
+    assert File.exist? testpath/"foo01.iso"
   end
 end