patch 8.1.1915: more functions can be used as methodsv8.1.1915

Problem:    More functions can be used as methods.
Solution:   Make various functions usable as a method.

9 files changed, 18 insertions, 15 deletions

diff --git a/src/testdir/test_bufline.vim b/src/testdir/test_bufline.vim
index 6d62e51610..183a186c45 100644
--- a/src/testdir/test_bufline.vim
+++ b/src/testdir/test_bufline.vim
@@ -132,7 +132,7 @@ func Test_deletebufline()
   call assert_equal(0, deletebufline(b, 2, 8))
   call assert_equal(['aaa'], getbufline(b, 1, 2))
   exe "bd!" b
-  call assert_equal(1, deletebufline(b, 1))
+  call assert_equal(1, b->deletebufline(1))
 
   call assert_equal(1, deletebufline(-1, 1))
 
diff --git a/src/testdir/test_cd.vim b/src/testdir/test_cd.vim
index 31859542e5..e0dedfbf08 100644
--- a/src/testdir/test_cd.vim
+++ b/src/testdir/test_cd.vim
@@ -85,7 +85,7 @@ func Test_chdir_func()
   call assert_equal('y', fnamemodify(getcwd(1, 2), ':t'))
   call assert_equal('z', fnamemodify(getcwd(3, 2), ':t'))
   tabnext | wincmd t
-  call chdir('..')
+  eval '..'->chdir()
   call assert_equal('Xdir', fnamemodify(getcwd(1, 2), ':t'))
   call assert_equal('Xdir', fnamemodify(getcwd(2, 2), ':t'))
   call assert_equal('z', fnamemodify(getcwd(3, 2), ':t'))
diff --git a/src/testdir/test_cindent.vim b/src/testdir/test_cindent.vim
index a8a2345577..e12e457876 100644
--- a/src/testdir/test_cindent.vim
+++ b/src/testdir/test_cindent.vim
@@ -121,9 +121,9 @@ func Test_cindent_func()
   new
   setlocal cindent
   call setline(1, ['int main(void)', '{', 'return 0;', '}'])
-  call assert_equal(cindent(0), -1)
-  call assert_equal(cindent(3), &sw)
-  call assert_equal(cindent(line('$')+1), -1)
+  call assert_equal(-1, cindent(0))
+  call assert_equal(&sw, 3->cindent())
+  call assert_equal(-1, cindent(line('$')+1))
   bwipe!
 endfunc
 
diff --git a/src/testdir/test_cursor_func.vim b/src/testdir/test_cursor_func.vim
index 0f638b3575..fbe7be7b79 100644
--- a/src/testdir/test_cursor_func.vim
+++ b/src/testdir/test_cursor_func.vim
@@ -22,7 +22,7 @@ func Test_move_cursor()
   call cursor(3, 0)
   call assert_equal([3, 1, 0, 1], getcurpos()[1:])
   " below last line goes to last line
-  call cursor(9, 1)
+  eval [9, 1]->cursor()
   call assert_equal([4, 1, 0, 1], getcurpos()[1:])
 
   call setline(1, ["\<TAB>"])
diff --git a/src/testdir/test_diffmode.vim b/src/testdir/test_diffmode.vim
index 027cdc88eb..bbdbfb8c01 100644
--- a/src/testdir/test_diffmode.vim
+++ b/src/testdir/test_diffmode.vim
@@ -674,7 +674,7 @@ func Test_diff_hlID()
   call diff_hlID(1, 2)->synIDattr("name")->assert_equal("DiffText")
   call diff_hlID(2, 1)->synIDattr("name")->assert_equal("")
   call diff_hlID(3, 1)->synIDattr("name")->assert_equal("DiffAdd")
-  call diff_hlID(4, 1)->synIDattr("name")->assert_equal("")
+  eval 4->diff_hlID(1)->synIDattr("name")->assert_equal("")
 
   wincmd w
   call assert_equal(synIDattr(diff_hlID(1, 1), "name"), "DiffChange")
@@ -693,7 +693,7 @@ func Test_diff_filler()
   diffthis
   redraw
 
-  call assert_equal([0, 0, 0, 0, 0, 0, 0, 1, 0], map(range(-1, 7), 'diff_filler(v:val)'))
+  call assert_equal([0, 0, 0, 0, 0, 0, 0, 1, 0], map(range(-1, 7), 'v:val->diff_filler()'))
   wincmd w
   call assert_equal([0, 0, 0, 0, 2, 0, 0, 0], map(range(-1, 6), 'diff_filler(v:val)'))
 
diff --git a/src/testdir/test_functions.vim b/src/testdir/test_functions.vim
index 6f65ae0866..7a3d05467e 100644
--- a/src/testdir/test_functions.vim
+++ b/src/testdir/test_functions.vim
@@ -1078,7 +1078,7 @@ func Test_col()
   call assert_equal(7, col('$'))
   call assert_equal(4, col("'x"))
   call assert_equal(6, col("'Y"))
-  call assert_equal(2, col([1, 2]))
+  call assert_equal(2, [1, 2]->col())
   call assert_equal(7, col([1, '$']))
 
   call assert_equal(0, col(''))
@@ -1413,7 +1413,7 @@ func Test_confirm()
   call assert_equal(1, a)
 
   call feedkeys('y', 'L')
-  let a = confirm('Are you sure?', "&Yes\n&No")
+  let a = 'Are you sure?'->confirm("&Yes\n&No")
   call assert_equal(1, a)
 
   call feedkeys('n', 'L')
@@ -1514,7 +1514,7 @@ func Test_readdir()
   let files = readdir('Xdir', {x -> len(add(l, x)) == 2 ? -1 : 1})
   call assert_equal(1, len(files))
 
-  call delete('Xdir', 'rf')
+  eval 'Xdir'->delete('rf')
 endfunc
 
 func Test_delete_rf()
@@ -1548,6 +1548,7 @@ endfunc
 
 func Test_char2nr()
   call assert_equal(12354, char2nr('あ', 1))
+  call assert_equal(120, 'x'->char2nr())
 endfunc
 
 func Test_eventhandler()
diff --git a/src/testdir/test_match.vim b/src/testdir/test_match.vim
index db87914f82..0bc186375d 100644
--- a/src/testdir/test_match.vim
+++ b/src/testdir/test_match.vim
@@ -215,7 +215,7 @@ func Test_matchaddpos_otherwin()
         \]
   call assert_equal(expect, savematches)
 
-  call clearmatches(winid)
+  eval winid->clearmatches()
   call assert_equal([], getmatches(winid))
 
   call setmatches(savematches, winid)
diff --git a/src/testdir/test_method.vim b/src/testdir/test_method.vim
index 8c5f35b5ce..69adc30c06 100644
--- a/src/testdir/test_method.vim
+++ b/src/testdir/test_method.vim
@@ -8,6 +8,7 @@ func Test_list_method()
   eval l->assert_notequal([3, 2, 1])
   eval l->assert_notequal([3, 2, 1], 'wrong')
   call assert_equal(l, l->copy())
+  call assert_equal(l, l->deepcopy())
   call assert_equal(1, l->count(2))
   call assert_false(l->empty())
   call assert_true([]->empty())
@@ -38,6 +39,7 @@ func Test_dict_method()
   let d = #{one: 1, two: 2, three: 3}
 
   call assert_equal(d, d->copy())
+  call assert_equal(d, d->deepcopy())
   call assert_equal(1, d->count(2))
   call assert_false(d->empty())
   call assert_true({}->empty())
diff --git a/src/testdir/test_popup.vim b/src/testdir/test_popup.vim
index 6c86d6936a..5b602cc12e 100644
--- a/src/testdir/test_popup.vim
+++ b/src/testdir/test_popup.vim
@@ -250,7 +250,7 @@ endfunc
 
 func Test_noinsert_complete()
   func! s:complTest1() abort
-    call complete(1, ['source', 'soundfold'])
+    eval ['source', 'soundfold']->complete(1)
     return ''
   endfunc
 
@@ -403,7 +403,7 @@ func DummyCompleteFour(findstart, base)
     return 0
   else
     call complete_add('four1')
-    call complete_add('four2')
+    eval 'four2'->complete_add()
     call complete_check()
     call complete_add('four3')
     call complete_add('four4')
@@ -993,7 +993,7 @@ func GetCompleteInfo()
   if empty(g:compl_what)
     let g:compl_info = complete_info()
   else
-    let g:compl_info = complete_info(g:compl_what)
+    let g:compl_info = g:compl_what->complete_info()
   endif
   return ''
 endfunc