1 files changed, 14 insertions, 0 deletions
diff --git a/Library/Formula/lrzip.rb b/Library/Formula/lrzip.rb
index 61bf5e82f..ccf91597f 100644
--- a/Library/Formula/lrzip.rb
+++ b/Library/Formula/lrzip.rb
@@ -14,4 +14,18 @@ class Lrzip < Formula
     system "make"
     system "make install"
   end
+
+  test do
+    path = testpath/"data.txt"
+    original_contents = "." * 1000
+    path.write original_contents
+
+    # compress: data.txt -> data.txt.lrz
+    system bin/"lrzip", "-o", "#{path}.lrz", path
+    path.unlink
+
+    # decompress: data.txt.lrz -> data.txt
+    system bin/"lrzip", "-d", "#{path}.lrz"
+    assert_equal original_contents, path.read
+  end
 end