patch 9.1.0503: cannot use fuzzy keyword completionv9.1.0503

Problem:  cannot use fuzzy keyword completion
          (Maxim Kim)
Solution: add the "fuzzycollect" value for the 'completeopt'
          setting, to gather matches using fuzzy logic (glepnir)

fixes: #14912
closes: #14976

Signed-off-by: glepnir <glephunter@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

1 files changed, 31 insertions, 0 deletions

diff --git a/src/testdir/test_ins_complete.vim b/src/testdir/test_ins_complete.vim
index 48589ce188..61c8ac7643 100644
--- a/src/testdir/test_ins_complete.vim
+++ b/src/testdir/test_ins_complete.vim
@@ -2586,6 +2586,37 @@ func Test_complete_fuzzy_match()
   call feedkeys("A\<C-X>\<C-N>\<Esc>0", 'tx!')
   call assert_equal('hello help hero h', getline('.'))
 
+  set completeopt=fuzzycollect
+  call setline(1, ['xyz  yxz  x'])
+  call feedkeys("A\<C-X>\<C-N>\<Esc>0", 'tx!')
+  call assert_equal('xyz  yxz  xyz', getline('.'))
+  " can fuzzy get yxz when use Ctrl-N twice
+  call setline(1, ['xyz  yxz  x'])
+  call feedkeys("A\<C-X>\<C-N>\<C-N>\<Esc>0", 'tx!')
+  call assert_equal('xyz  yxz  yxz', getline('.'))
+
+  call setline(1, ['one two o'])
+  call feedkeys("A\<C-X>\<C-N>\<Esc>0", 'tx!')
+  call assert_equal('one two one', getline('.'))
+
+  call setline(1, ['你好 你'])
+  call feedkeys("A\<C-X>\<C-N>\<Esc>0", 'tx!')
+  call assert_equal('你好 你好', getline('.'))
+  call setline(1, ['你的 我的 的'])
+  call feedkeys("A\<C-X>\<C-N>\<Esc>0", 'tx!')
+  call assert_equal('你的 我的 你的', getline('.'))
+  " can fuzzy get multiple-byte word when use Ctrl-N twice
+  call setline(1, ['你的 我的 的'])
+  call feedkeys("A\<C-X>\<C-N>\<C-N>\<Esc>0", 'tx!')
+  call assert_equal('你的 我的 我的', getline('.'))
+
+  "respect noinsert
+  set completeopt=fuzzycollect,menu,menuone,noinsert
+  call setline(1, ['one two o'])
+  call feedkeys("A\<C-X>\<C-N>", 'tx')
+  call assert_equal('one', g:word)
+  call assert_equal('one two o', getline('.'))
+
   " clean up
   set omnifunc=
   bw!