From 26d08dfd0d9d2f8e3685a4fe083588519bd5dac0 Mon Sep 17 00:00:00 2001
From: KillTheMule <KillTheMule@users.noreply.github.com>
Date: Mon, 28 Aug 2017 21:33:31 +0200
Subject: inccommand: fix optimization logic #7224

Before this change the preview changes in the buffer viewport were
limited to the size of the preview window ('cmdwinheight').

closes #7220
---
 test/functional/ui/inccommand_spec.lua | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'test/functional/ui')

diff --git a/test/functional/ui/inccommand_spec.lua b/test/functional/ui/inccommand_spec.lua
index 64965ccb94..e83bd72ad3 100644
--- a/test/functional/ui/inccommand_spec.lua
+++ b/test/functional/ui/inccommand_spec.lua
@@ -892,6 +892,31 @@ describe(":substitute, inccommand=split", function()
     ]])
   end)
 
+  it('previews correctly when previewhight is small', function()
+    feed_command('set cwh=3')
+    feed_command('set hls')
+    feed('ggdG')
+    insert(string.rep('abc abc abc\n', 20))
+    feed(':%s/abc/MMM/g')
+    screen:expect([[
+      MMM MMM MMM                   |
+      MMM MMM MMM                   |
+      MMM MMM MMM                   |
+      MMM MMM MMM                   |
+      MMM MMM MMM                   |
+      MMM MMM MMM                   |
+      MMM MMM MMM                   |
+      MMM MMM MMM                   |
+      MMM MMM MMM                   |
+      {11:[No Name] [+]                 }|
+      | 1| {12:MMM} {12:MMM} {12:MMM}              |
+      | 2| {12:MMM} {12:MMM} {12:MMM}              |
+      | 3| {12:MMM} {12:MMM} {12:MMM}              |
+      {10:[Preview]                     }|
+      :%s/abc/MMM/g^                 |
+    ]])
+  end)
+
   it('actually replaces text', function()
     feed(":%s/tw/XX/g<Enter>")
 
-- 
cgit