From 7199f0b3b3e31c1c3b96d17d6f1f959d1db5ce76 Mon Sep 17 00:00:00 2001
From: Jan Edmund Lazo <jan.lazo@mail.utoronto.ca>
Date: Tue, 3 Sep 2019 00:05:23 -0400
Subject: [PATCH] vim-patch:8.1.1063: insufficient testing for wildmenu
 completion

Problem:    Insufficient testing for wildmenu completion.
Solution:   Extend the test case. (Dominique Pelle, closes vim/vim#4182)
https://github.com/vim/vim/commit/37db642083398da7d04ed45767cc46daf40bf72b
---
 src/nvim/testdir/test_cmdline.vim | 44 +++++++++++++++++++++++++++----
 1 file changed, 39 insertions(+), 5 deletions(-)

diff --git a/src/nvim/testdir/test_cmdline.vim b/src/nvim/testdir/test_cmdline.vim
index f43ea0e923..e6aafd964b 100644
--- a/src/nvim/testdir/test_cmdline.vim
+++ b/src/nvim/testdir/test_cmdline.vim
@@ -15,14 +15,48 @@ func Test_complete_list()
 endfunc
 
 func Test_complete_wildmenu()
-  call writefile(['testfile1'], 'Xtestfile1')
-  call writefile(['testfile2'], 'Xtestfile2')
+  call mkdir('Xdir1/Xdir2', 'p')
+  call writefile(['testfile1'], 'Xdir1/Xtestfile1')
+  call writefile(['testfile2'], 'Xdir1/Xtestfile2')
+  call writefile(['testfile3'], 'Xdir1/Xdir2/Xtestfile3')
+  call writefile(['testfile3'], 'Xdir1/Xdir2/Xtestfile4')
   set wildmenu
-  call feedkeys(":e Xtestf\t\t\r", "tx")
+
+  " Pressing <Tab> completes, and moves to next files when pressing again.
+  call feedkeys(":e Xdir1/\<Tab>\<Tab>\<CR>", 'tx')
+  call assert_equal('testfile1', getline(1))
+  call feedkeys(":e Xdir1/\<Tab>\<Tab>\<Tab>\<CR>", 'tx')
   call assert_equal('testfile2', getline(1))
 
-  call delete('Xtestfile1')
-  call delete('Xtestfile2')
+  " <S-Tab> is like <Tab> but begin with the last match and then go to
+  " previous.
+  call feedkeys(":e Xdir1/Xtest\<S-Tab>\<CR>", 'tx')
+  call assert_equal('testfile2', getline(1))
+  call feedkeys(":e Xdir1/Xtest\<S-Tab>\<S-Tab>\<CR>", 'tx')
+  call assert_equal('testfile1', getline(1))
+
+  " <Left>/<Right> to move to previous/next file.
+  call feedkeys(":e Xdir1/\<Tab>\<Right>\<CR>", 'tx')
+  call assert_equal('testfile1', getline(1))
+  call feedkeys(":e Xdir1/\<Tab>\<Right>\<Right>\<CR>", 'tx')
+  call assert_equal('testfile2', getline(1))
+  call feedkeys(":e Xdir1/\<Tab>\<Right>\<Right>\<Left>\<CR>", 'tx')
+  call assert_equal('testfile1', getline(1))
+
+  " <Up>/<Down> to go up/down directories.
+  call feedkeys(":e Xdir1/\<Tab>\<Down>\<CR>", 'tx')
+  call assert_equal('testfile3', getline(1))
+  call feedkeys(":e Xdir1/\<Tab>\<Down>\<Up>\<Right>\<CR>", 'tx')
+  call assert_equal('testfile1', getline(1))
+
+  " cleanup
+  %bwipe
+  call delete('Xdir1/Xdir2/Xtestfile4')
+  call delete('Xdir1/Xdir2/Xtestfile3')
+  call delete('Xdir1/Xtestfile2')
+  call delete('Xdir1/Xtestfile1')
+  call delete('Xdir1/Xdir2', 'd')
+  call delete('Xdir1', 'd')
   set nowildmenu
 endfunc