wireshark: Add a test

Closes #27353.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/Library/Formula/wireshark.rb b/Library/Formula/wireshark.rb
index 30328287e..ac38e3358 100644
--- a/Library/Formula/wireshark.rb
+++ b/Library/Formula/wireshark.rb
@@ -99,6 +99,12 @@ class Wireshark < Formula
       https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3760
     EOS
   end
+
+  test do
+    system "#{bin}/randpkt", "-b", "100", "-c", "2", "capture.pcap"
+    output = `#{bin}/capinfos -Tmc capture.pcap`
+    assert_equal "File name,Number of packets\ncapture.pcap,2\n", output
+  end
 end
 
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