From 0bef3b911cc262a007fb4412d864c1832d1268ad Mon Sep 17 00:00:00 2001
From: Gustav Eikaas <46537983+GustavEikaas@users.noreply.github.com>
Date: Tue, 31 Dec 2024 16:40:05 +0100
Subject: fix(vim.fs): joinpath() does not normalize slashes on Windows #31782

---
 test/functional/lua/fs_spec.lua | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'test/functional/lua')

diff --git a/test/functional/lua/fs_spec.lua b/test/functional/lua/fs_spec.lua
index 63444f5ba1..3c306e6824 100644
--- a/test/functional/lua/fs_spec.lua
+++ b/test/functional/lua/fs_spec.lua
@@ -323,6 +323,20 @@ describe('vim.fs', function()
       eq('foo/bar/baz', vim.fs.joinpath('foo', 'bar', 'baz'))
       eq('foo/bar/baz', vim.fs.joinpath('foo', '/bar/', '/baz'))
     end)
+    it('rewrites backslashes on Windows', function()
+      if is_os('win') then
+        eq('foo/bar/baz/zub/', vim.fs.joinpath([[foo]], [[\\bar\\\\baz]], [[zub\]]))
+      else
+        eq([[foo/\\bar\\\\baz/zub\]], vim.fs.joinpath([[foo]], [[\\bar\\\\baz]], [[zub\]]))
+      end
+    end)
+    it('strips redundant slashes', function()
+      if is_os('win') then
+        eq('foo/bar/baz/zub/', vim.fs.joinpath([[foo//]], [[\\bar\\\\baz]], [[zub\]]))
+      else
+        eq('foo/bar/baz/zub/', vim.fs.joinpath([[foo]], [[//bar////baz]], [[zub/]]))
+      end
+    end)
   end)
 
   describe('normalize()', function()
-- 
cgit