From 791fea43ecfce8e9d34eedc947389226a2bc1474 Mon Sep 17 00:00:00 2001
From: Brad Warren <bmw@users.noreply.github.com>
Date: Thu, 1 Jun 2017 09:57:27 -0700
Subject: [PATCH] Add regression/system test for #4719 (#4739)

* Add regression/system test for #4719.

* Test for regressions with --help and invalid args.

* Handle expected failure properly.
---
 tests/boulder-integration.sh | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/tests/boulder-integration.sh b/tests/boulder-integration.sh
index d86a6fb8c..5c00be054 100755
--- a/tests/boulder-integration.sh
+++ b/tests/boulder-integration.sh
@@ -80,6 +80,20 @@ CheckHooks() {
     rm "$HOOK_TEST"
 }
 
+# test for regressions of #4719
+get_num_tmp_files() {
+    ls -1 /tmp | wc -l
+}
+num_tmp_files=$(get_num_tmp_files)
+common --csr / && echo expected error && exit 1 || true
+common --help
+common --help all
+common --version
+if [ $(get_num_tmp_files) -ne $num_tmp_files ]; then
+    echo "New files or directories created in /tmp!"
+    exit 1
+fi
+
 # We start a server listening on the port for the
 # unrequested challenge to prevent regressions in #3601.
 python ./tests/run_http_server.py $http_01_port &