2 files changed, 20 insertions, 1 deletions
diff --git a/testsuite/sed/sed-append-next-line b/testsuite/sed/sed-append-next-line
index 380b7935d..e7f72f476 100644
--- a/testsuite/sed/sed-append-next-line
+++ b/testsuite/sed/sed-append-next-line
@@ -1,4 +1,6 @@
-busybox sed -n 'N;p'>output <<EOF
+# XFAIL
+# This will fail if CONFIG_FEATURE_SED_GNU_COMPATABILITY is defined
+busybox sed 'N;p'>output <<EOF
 a
 b
 c
@@ -6,4 +8,7 @@ EOF
 cmp -s output - <<EOF
 a
 b
+a
+b
+c
 EOF
diff --git a/testsuite/sed/sed-append-next-line-gnu b/testsuite/sed/sed-append-next-line-gnu
new file mode 100644
index 000000000..d7aba8c2c
--- /dev/null
+++ b/testsuite/sed/sed-append-next-line-gnu
@@ -0,0 +1,14 @@
+# FEATURE: CONFIG_FEATURE_SED_GNU_COMPATABILITY
+busybox sed 'N;p'>output <<EOF
+a
+b
+c
+EOF
+cmp -s output - <<EOF
+a
+b
+a
+b
+c
+
+EOF