1 files changed, 14 insertions, 0 deletions

diff --git a/testsuite/awk.tests b/testsuite/awk.tests
index 87f6b5007..92c83d719 100755
--- a/testsuite/awk.tests
+++ b/testsuite/awk.tests
@@ -398,5 +398,19 @@ testing 'awk do not allow "str"++' \
         '' \
         'anything'
 
+# gawk compat: FS regex matches only non-empty separators:
+# with -*, the splitting is NOT f o o b a r, but foo bar:
+testing 'awk FS regex which can match empty string' \
+        "awk -F '-*' '{print \$1 \"-\" \$2 \"=\" \$3 \"*\" \$4}'" \
+        "foo-bar=*\n" \
+        '' \
+        '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