From 51c79f61f46be568337b5d245541a0ffbc07f39b Mon Sep 17 00:00:00 2001
From: kazukazuinaina <ypa.ypa.ypa.t@gmail.com>
Date: Fri, 14 May 2021 02:25:14 +0900
Subject: [PATCH] [add] winwidth's test

---
 autoload/airline/util.vim |  2 +-
 t/util.vim                | 14 ++++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/autoload/airline/util.vim b/autoload/airline/util.vim
index c090172e..337851d8 100644
--- a/autoload/airline/util.vim
+++ b/autoload/airline/util.vim
@@ -16,7 +16,7 @@ let s:focusgained_ignore_time = 0
 " TODO: Try to cache winwidth(0) function
 " e.g. store winwidth per window and access that, only update it, if the size
 " actually changed.
-function! airline#util#winwidth(...)
+function! airline#util#winwidth(...) abort
   let nr = get(a:000, 0, 0)
   if get(g:, 'airline_statusline_ontop', 0)
     return &columns
diff --git a/t/util.vim b/t/util.vim
index 516938c1..dd93e5d2 100644
--- a/t/util.vim
+++ b/t/util.vim
@@ -20,6 +20,20 @@ describe 'util'
     Expect airline#util#append('1', 0) == '   1'
   end
 
+  it 'should be same &columns'
+    let g:airline_statusline_ontop = 1
+    Expect airline#util#winwidth() == &columns
+  end
+
+  it 'should be same winwidth(0)'
+    let g:airline_statusline_ontop = 0
+    Expect airline#util#winwidth() == winwidth(0)
+  end
+
+  it 'should be same winwidth(30)'
+    Expect airline#util#winwidth(30, 0) == winwidth(30)
+  end
+
   it 'has prepend wrapper function'
     Expect airline#util#prepend('', 0) == ''
     Expect airline#util#prepend('1', 0) == '1  '