ipfs-test-lib: implement test_seq()

License: MIT
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>

test/ipfs-test-lib.sh

@@ -22,3 +22,16 @@ test_sort_cmp() {
 	sort "$2" >"$2_sorted" &&
 	test_cmp "$1_sorted" "$2_sorted"
 }
+
+# Depending on GNU seq availability is not nice.
+# Git also has test_seq but it uses Perl.
+test_seq() {
+	test "$1" -le "$2" || return
+	i="$1"
+	j="$2"
+	while test "$i" -le "$j"
+	do
+		echo "$i"
+		i=$(expr "$i" + 1)
+	done
+}