From e81ee8b3371bf1cf9f4415732132f9c24ff736d9 Mon Sep 17 00:00:00 2001
From: eldritch horrors <pennae@lix.systems>
Date: Mon, 4 Mar 2024 08:07:16 +0100
Subject: [PATCH] Merge pull request #9785 from
 hercules-ci/test-substring-negative

tests/functional/lang: Test substring with negative length

(cherry picked from commit 86156d05dd33f856d8804f89669a7fe9b81f1a0d)
Change-Id: I2e2086027a43f8111ba5068ac16590eaa0b798d4
---
 tests/functional/lang/eval-okay-substring.exp | 2 +-
 tests/functional/lang/eval-okay-substring.nix | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/tests/functional/lang/eval-okay-substring.exp b/tests/functional/lang/eval-okay-substring.exp
index 6aace04b0..f48b4623a 100644
--- a/tests/functional/lang/eval-okay-substring.exp
+++ b/tests/functional/lang/eval-okay-substring.exp
@@ -1 +1 @@
-"ooxfoobarybarzobaabbc"
+"ooxfoobarybarzobaabbc_bad"
diff --git a/tests/functional/lang/eval-okay-substring.nix b/tests/functional/lang/eval-okay-substring.nix
index 424af00d9..54c97e162 100644
--- a/tests/functional/lang/eval-okay-substring.nix
+++ b/tests/functional/lang/eval-okay-substring.nix
@@ -19,3 +19,5 @@ substring 1 2 s
 + substring 3 1 s
 + "c"
 + substring 5 10 "perl"
++ "_"
++ substring 3 (-1) "tebbad"