tests: shell: regression test for bugzilla 1228

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/tests/shell/testcases/sets/0030add_many_elements_interval_0 b/tests/shell/testcases/sets/0030add_many_elements_interval_0
new file mode 100755 (executable)
index 0000000..059ade9
--- /dev/null
+++ b/tests/shell/testcases/sets/0030add_many_elements_interval_0
@@ -0,0 +1,30 @@
+#!/bin/bash
+
+HOWMANY=255
+
+tmpfile=$(mktemp)
+if [ ! -w $tmpfile ] ; then
+       echo "Failed to create tmp file" >&2
+       exit 0
+fi
+
+trap "rm -rf $tmpfile" EXIT # cleanup if aborted
+
+generate() {
+       echo -n "{"
+       for ((i=1; i<=HOWMANY; i++)) ; do
+               for ((j=1; j<=HOWMANY; j++)) ; do
+                       echo -n "10.${i}.${j}.0/24"
+                       [ "$i" == "$HOWMANY" ] && [ "$j" == "$HOWMANY" ] && break
+                       echo -n ", "
+               done
+       done
+       echo -n "}"
+}
+
+echo "add table x
+add set x y { type ipv4_addr; flags interval; }
+add element x y $(generate)" > $tmpfile
+
+set -e
+$NFT -f $tmpfile