1 files changed, 12 insertions, 0 deletions
diff --git a/Library/Formula/css-crush.rb b/Library/Formula/css-crush.rb
index d099d417c..430bce5b8 100644
--- a/Library/Formula/css-crush.rb
+++ b/Library/Formula/css-crush.rb
@@ -12,4 +12,16 @@ class CssCrush < Formula
       php "#{libexec}/cli.php" "$@"
     EOS
   end
+
+  test do
+    path = testpath/"test.crush"
+    path.write <<-EOS.undent
+      @define foo #123456;
+      p { color: $(foo); }
+    EOS
+
+    output = `#{bin}/csscrush #{path}`.strip
+    assert_equal "p{color:#123456}", output
+    assert_equal 0, $?.exitstatus
+  end
 end