Before the [Test] commit if we run nft with incomplete "add set"
command it caused segmentation fault and exit with error code 139 and
further it didn't throw any error message.

  For example:
    $ sudo nft add set t s

But after the [Test] commit it throws syntax error message and exits with
return value 1.

  For example:
    $ sudo nft add set t s
    <cmdline>:1:12-12: Error: syntax error, unexpected newline, expecting '{'
    add set t s
               ^

This commit tests changes made in the [Test] commit.

Test:c6cd7c22548a ( "src: fix crash when inputting an incomplete set add
command" )
Signed-off-by: Shyam Saini <mayhs11sa...@gmail.com>
---
 .../testcases/sets/0023incomplete_add_set_command_0      | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100755 tests/shell/testcases/sets/0023incomplete_add_set_command_0

diff --git a/tests/shell/testcases/sets/0023incomplete_add_set_command_0 
b/tests/shell/testcases/sets/0023incomplete_add_set_command_0
new file mode 100755
index 000000000000..b7535f7059db
--- /dev/null
+++ b/tests/shell/testcases/sets/0023incomplete_add_set_command_0
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+# This testscase checks bug identified and fixed in the commit Id 
"c6cd7c22548a"
+# Before the commit c6cd7c22548a, nft returns 139 (i.e, segmentation fault) 
which
+# indicates the bug but after the commit it returns 1.
+
+$NFT add table t
+$NFT add set t c
+
+ret=$?
+if [ $ret -ne 1 ] ;
+then
+       echo "E: returned $ret instead of 1" >&2
+       exit 1
+fi
+
-- 
1.9.1

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