3 files changed, 120 insertions, 1 deletions
diff --git a/test/functional/viml/completion_spec.lua b/test/functional/viml/completion_spec.lua
index 12f542de7f..4bb9707cda 100644
--- a/test/functional/viml/completion_spec.lua
+++ b/test/functional/viml/completion_spec.lua
@@ -2,7 +2,7 @@
 local helpers = require('test.functional.helpers')
 local clear, feed = helpers.clear, helpers.feed
 local eval, eq, neq = helpers.eval, helpers.eq, helpers.neq
-local execute, source = helpers.execute, helpers.source
+local execute, source, expect = helpers.execute, helpers.source, helpers.expect
 
 describe('completion', function()
   before_each(function()
@@ -100,4 +100,45 @@ describe('completion', function()
       eq('', eval('getline(3)'))
     end)
   end)
+
+  describe("refresh:always", function()
+    before_each(function()
+      source([[
+        function! TestCompletion(findstart, base) abort
+          if a:findstart
+            let line = getline('.')
+            let start = col('.') - 1
+            while start > 0 && line[start - 1] =~ '\a'
+              let start -= 1
+            endwhile
+            return start
+          else
+            let ret = []
+            for m in split("January February March April May June July August September October November December")
+              if m =~ a:base  " match by regex
+                call add(ret, m)
+              endif
+            endfor
+            return {'words':ret, 'refresh':'always'}
+          endif
+        endfunction
+
+        set completeopt=menuone,noselect
+        set completefunc=TestCompletion
+      ]])
+    end )
+
+    it('completes on each input char', function ()
+      feed('i<C-x><C-u>gu<Down><C-y>')
+      expect('August')
+    end)
+    it("repeats correctly after backspace #2674", function ()
+      feed('o<C-x><C-u>Ja<BS><C-n><C-n><Esc>')
+      feed('.')
+      expect([[
+        
+        June
+        June]])
+    end)
+  end)
 end)
diff --git a/test/functional/viml/errorlist_spec.lua b/test/functional/viml/errorlist_spec.lua
new file mode 100644
index 0000000000..78e25297f2
--- /dev/null
+++ b/test/functional/viml/errorlist_spec.lua
@@ -0,0 +1,49 @@
+local helpers = require('test.functional.helpers')
+
+local clear = helpers.clear
+local command = helpers.command
+local eq = helpers.eq
+local get_cur_win_var = helpers.curwinmeths.get_var
+-- local exc_exec = helpers.exc_exec
+
+describe('setqflist()', function()
+  local setqflist = helpers.funcs.setqflist
+
+  before_each(clear)
+
+  it('sets w:quickfix_title', function()
+    setqflist({''}, 'r', 'foo')
+    command('copen')
+    eq(':foo', get_cur_win_var('quickfix_title'))
+  end)
+
+  it('expects a proper type for {title}', function()
+    command('copen')
+    setqflist({''}, 'r', '5')
+    eq(':5', get_cur_win_var('quickfix_title'))
+    setqflist({''}, 'r', 6)
+    eq(':setqflist()', get_cur_win_var('quickfix_title'))
+    -- local exc = exc_exec('call setqflist([""], "r", function("function"))')
+    -- eq('Vim(call):E729: using Funcref as a String', exc)
+    -- exc = exc_exec('call setqflist([""], "r", [])')
+    -- eq('Vim(call):E730: using List as a String', exc)
+    -- exc = exc_exec('call setqflist([""], "r", {})')
+    -- eq('Vim(call):E731: using Dictionary as a String', exc)
+  end)
+end)
+
+describe('setloclist()', function()
+  local setloclist = helpers.funcs.setloclist
+
+  before_each(clear)
+
+  it('sets w:quickfix_title for the correct window', function()
+    command('rightbelow vsplit')
+    setloclist(1, {''}, 'r', 'foo')
+    setloclist(2, {''}, 'r', 'bar')
+    command('lopen')
+    eq(':bar', get_cur_win_var('quickfix_title'))
+    command('lclose | wincmd w | lopen')
+    eq(':foo', get_cur_win_var('quickfix_title'))
+  end)
+end)
diff --git a/test/functional/viml/function_spec.lua b/test/functional/viml/function_spec.lua
new file mode 100644
index 0000000000..665f5d4467
--- /dev/null
+++ b/test/functional/viml/function_spec.lua
@@ -0,0 +1,29 @@
+local helpers = require('test.functional.helpers')
+
+local clear = helpers.clear
+local eq = helpers.eq
+local exc_exec = helpers.exc_exec
+
+describe('Up to MAX_FUNC_ARGS arguments are handled by', function()
+  local max_func_args = 20  -- from eval.h
+  local range = helpers.funcs.range
+
+  before_each(clear)
+
+  it('printf()', function()
+    local printf = helpers.funcs.printf
+    local rep = helpers.funcs['repeat']
+    local expected = '2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,'
+    eq(expected, printf(rep('%d,', max_func_args-1), unpack(range(2, max_func_args))))
+    local ret = exc_exec('call printf("", 2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21)')
+    eq('Vim(call):E740: Too many arguments for function printf', ret)
+  end)
+
+  it('rpcnotify()', function()
+    local rpcnotify = helpers.funcs.rpcnotify
+    local ret = rpcnotify(0, 'foo', unpack(range(3, max_func_args)))
+    eq(1, ret)
+    ret = exc_exec('call rpcnotify(0, "foo", 3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21)')
+    eq('Vim(call):E740: Too many arguments for function rpcnotify', ret)
+  end)
+end)