1 files changed, 6 insertions, 0 deletions
diff --git a/Library/Formula/psgrep.rb b/Library/Formula/psgrep.rb
index 8abb8544c..82ab9490d 100644
--- a/Library/Formula/psgrep.rb
+++ b/Library/Formula/psgrep.rb
@@ -11,4 +11,10 @@ class Psgrep < Formula
     bin.install "psgrep"
     man1.install "psgrep.1"
   end
+
+  test do
+    output = `#{bin}/psgrep #{Process.pid}`
+    assert output.include?($0)
+    assert_equal 0, $?.exitstatus
+  end
 end