From 41bb81a2dfe3c173a5d8f9d7c200475028221cf3 Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Sun, 12 Jun 2022 07:48:28 +0800
Subject: fix(substitute): subtract number of backslashes later

---
 test/functional/lua/buffer_updates_spec.lua | 30 ++++++++++++++++++++++++++---
 1 file changed, 27 insertions(+), 3 deletions(-)

(limited to 'test/functional/lua')

diff --git a/test/functional/lua/buffer_updates_spec.lua b/test/functional/lua/buffer_updates_spec.lua
index cbd78ccd53..2009d5f4ba 100644
--- a/test/functional/lua/buffer_updates_spec.lua
+++ b/test/functional/lua/buffer_updates_spec.lua
@@ -612,7 +612,15 @@ describe('lua: nvim_buf_attach on_bytes', function()
       }
 
       feed("<esc>")
-      -- replacing with escaped characters
+      -- replacing with expression register
+      feed([[:%s/b/\=5+5]])
+      check_events {
+        { "test1", "bytes", 1, 3, 0, 1, 1, 0, 1, 1, 0, 2, 2 };
+        { "test1", "bytes", 1, 5, 0, 1, 1, 0, 2, 2, 0, 1, 1 };
+      }
+
+      feed("<esc>")
+      -- replacing with backslash
       feed([[:%s/b/\\]])
       check_events {
         { "test1", "bytes", 1, 3, 0, 1, 1, 0, 1, 1, 0, 1, 1 };
@@ -620,8 +628,24 @@ describe('lua: nvim_buf_attach on_bytes', function()
       }
 
       feed("<esc>")
-      -- replacing with expression register
-      feed([[:%s/b/\=5+5]])
+      -- replacing with backslash from expression register
+      feed([[:%s/b/\='\']])
+      check_events {
+        { "test1", "bytes", 1, 3, 0, 1, 1, 0, 1, 1, 0, 1, 1 };
+        { "test1", "bytes", 1, 5, 0, 1, 1, 0, 1, 1, 0, 1, 1 };
+      }
+
+      feed("<esc>")
+      -- replacing with backslash followed by another character
+      feed([[:%s/b/\\!]])
+      check_events {
+        { "test1", "bytes", 1, 3, 0, 1, 1, 0, 1, 1, 0, 2, 2 };
+        { "test1", "bytes", 1, 5, 0, 1, 1, 0, 2, 2, 0, 1, 1 };
+      }
+
+      feed("<esc>")
+      -- replacing with backslash followed by another character from expression register
+      feed([[:%s/b/\='\!']])
       check_events {
         { "test1", "bytes", 1, 3, 0, 1, 1, 0, 1, 1, 0, 2, 2 };
         { "test1", "bytes", 1, 5, 0, 1, 1, 0, 2, 2, 0, 1, 1 };
-- 
cgit