From: Jo-Philipp Wich <jo@mein.io>
Date: Mon, 9 May 2022 08:49:43 +0000 (+0200)
Subject: tests: fix mocked `fd.read("line")` api
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=7782017c19071f19419c10cc1d740515f6bf3bf8;p=project%2Ffirewall4.git

tests: fix mocked `fd.read("line")` api

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
---

diff --git a/tests/lib/mocklib/fs.uc b/tests/lib/mocklib/fs.uc
index 6e26552..3cb6252 100644
--- a/tests/lib/mocklib/fs.uc
+++ b/tests/lib/mocklib/fs.uc
@@ -110,9 +110,9 @@ return {
 
 				case "line":
 					let i = index(mock, "\n");
-					i = (i > -1) ? i + 1 : mock.length;
+					i = (i > -1) ? i + 1 : length(mock);
 					rv = substr(mock, 0, i);
-					mock = substr(mock, i);
+					mock = length(mock) ? substr(mock, i) : null;
 					break;
 
 				default: