Fix completed snippet behavior

autoload/neosnippet.vim

@@ -50,7 +50,7 @@ call neosnippet#util#set_default(
       \ 'g:neosnippet#completed_pairs', {})
 call neosnippet#util#set_default(
       \ 'g:neosnippet#_completed_pairs',
-      \ {'_':{ '(' : ')', '{' : '}', '"' : '"' }})
+      \ {'_':{ '(' : ')', '{' : '}', '"' : '"', '[' : ']' }})
 "}}}
 
 function! neosnippet#expandable_or_jumpable() "{{{

autoload/neosnippet/parser.vim

@@ -381,6 +381,11 @@ function! neosnippet#parser#_get_completed_snippet(completed_item, next_text) "{
   endfor
   let snippet .= args
 
+  if key != '(' && snippet == ''
+    let snippet .= '${' . cnt . '}'
+    let cnt += 1
+  endif
+
   let snippet .= pair
   let snippet .= '${' . cnt . '}'
 

test/functions.vim

@@ -78,11 +78,6 @@ function! s:suite.get_completed_snippet()
         \ 'menu' : '', 'info' : ''
         \ }, ''), '${1:#:hoge}${2:#:, ...})${3}')
 
-  call s:assert.equals(neosnippet#parser#_get_completed_snippet({
-        \ 'word' : 'foo{', 'abbr' : 'foo{}',
-        \ 'menu' : '', 'info' : ''
-        \ }, ''), '}${1}')
-
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'foo{', 'abbr' : 'foo{',
         \ 'menu' : '', 'info' : ''
@@ -128,5 +123,10 @@ function! s:suite.get_completed_snippet()
         \ 'word' : 'forEach', 'abbr' : 'forEach(BiConsumer<Object, Object>)',
         \ 'menu' : '', 'info' : ''
         \ }, ''), '(${1:#:BiConsumer<>})${2}')
+
+  call s:assert.equals(neosnippet#parser#_get_completed_snippet({
+        \ 'word' : 'for[', 'abbr' : '',
+        \ 'menu' : '', 'info' : ''
+        \ }, ''), '${1}]${2}')
 endfunction