testsuite: check for trailing garbage in pkill

Previous commit fixed pkill for trailing garbage on pkill
signal when it was an integer. This check now ensures that
pkill complains about it.

References:
 commit a3975a9c6098218decf2d79b01c7a70512eded9e

diff --git a/testsuite/pkill.test/pkill.exp b/testsuite/pkill.test/pkill.exp
index 85ea15aec4ca87f1398d923ecbf0de761e2e6a54..76e5c0cb8d09312e160521c89780ed9467ef09f1 100644 (file)
--- a/testsuite/pkill.test/pkill.exp
+++ b/testsuite/pkill.test/pkill.exp
@@ -28,5 +28,9 @@ set test "pkill signal option order"
 spawn $pkill -e $testproc_comm -0
 expect_pass "$test" "^$testproc_comm killed \\(pid $testproc1_pid\\)\\s+$testproc_comm killed \\(pid $testproc2_pid\\)\\s*$"
 
+set test "pkill with trailing garbage on int signal"
+spawn $pkill -0garbage $testproc_comm
+expect_pass "$test" "invalid option -- '0'"
+
 # Cleanup
 kill_testproc