Add a Broxygen coverage test.

scripts/broxygen/__load__.bro

@@ -1,2 +1,14 @@
 @load test-all-policy.bro
+
+# Scripts which are commented out in test-all-policy.bro.
+@load protocols/ssl/notary.bro
+@load frameworks/communication/listen.bro
+@load frameworks/control/controllee.bro
+@load frameworks/control/controller.bro
+
 @load ./example.bro
+
+event bro_init()
+	{
+	terminate();
+	}

testing/btest/Baseline/doc.broxygen.all_scripts/.stderr

@@ -0,0 +1 @@
+received termination signal

testing/btest/Baseline/doc.broxygen.all_scripts/.stdout

@@ -1 +1,2 @@
+The '' control command is unknown.
 WARNING: No Site::local_nets have been defined.  It's usually a good idea to define your local networks.

testing/btest/coverage/broxygen.sh

@@ -0,0 +1,35 @@
+# This check piggy-backs on the test-all-policy.bro test, assuming that every
+# loadable script is referenced there.  The only additional check here is
+# that the broxygen package should even load scripts that are commented
+# out in test-all-policy.bro because the broxygen package is only loaded
+# when generated documentation and will terminate has soon as bro_init
+# is handled, even if a script will e.g. put Bro into listen mode or otherwise
+# cause it to not terminate after scripts are parsed.
+
+# @TEST-EXEC: bash %INPUT $DIST/scripts/test-all-policy.bro $DIST/scripts/broxygen/__load__.bro
+
+error_count=0
+
+error_msg()
+    {
+    error_count=$((error_count+1))
+    echo "$@" 1>&2;
+    }
+
+if [ $# -ne 2 ]; then
+    print "incorrect arguments"
+    exit 1
+fi
+
+all_loads=$(egrep "#[[:space:]]*@load.*" $1 | sed 's/#[[:space:]]*@load[[:space:]]*//g')
+broxygen_loads=$(egrep "@load.*" $2 | sed 's/@load[[:space:]]*//g')
+
+for f in $all_loads; do
+    echo "$broxygen_loads" | grep -q $f || error_msg "$f not loaded in broxygen/__load__.bro"
+done
+
+if [ $error_count -gt 0 ]; then
+    exit 1;
+fi
+
+exit 0

testing/btest/doc/broxygen/all_scripts.test

@@ -1,6 +1,10 @@
 # This test is mostly just checking that there's no errors that result
 # from loading all scripts and generated docs for each.
 
+# This must be serialized with communication tests because it does load
+# listen.bro in order to document it.
+
+# @TEST-SERIALIZE: comm
 # @TEST-EXEC: bro -X broxygen.config broxygen
 # @TEST-EXEC: btest-diff .stdout
 # @TEST-EXEC: btest-diff .stderr