awk: add a test that $NF is empty

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-04 19:00:06 +01:00 · 2020-12-04 19:00:06 +01:00 · 758c2bd58e
commit 758c2bd58e
parent f4f6e5144b
1 changed files with 9 additions and 2 deletions
--- a/testsuite/awk.tests
+++ b/testsuite/awk.tests
@ -406,4 +406,11 @@ testing 'awk FS regex which can match empty string' \
 	'' \
 	'foo--bar'

+# last+1 field should be empty (had a bug where it wasn't)
+testing 'awk $NF is empty' \
+	"awk -F '=+' '{print \$NF}'" \
+	"\n" \
+	'' \
+	'a=====123='
+
 exit $FAILCOUNT