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diff src/testdir/test_listener.vim @ 16648:a7f06505ad39 v8.1.1326

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patch 8.1.1326: no test for listener with partial commit https://github.com/vim/vim/commit/8aad88d8de256e58f04054eb7230c9613e26502f Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 12 13:53:50 2019 +0200 patch 8.1.1326: no test for listener with partial Problem: No test for listener with partial. Solution: Add a test. Add example to help.
author Bram Moolenaar <Bram@vim.org>
date Sun, 12 May 2019 14:00:07 +0200
parents 4790302965fc
children b8fda384605b
line wrap: on
line diff
--- a/src/testdir/test_listener.vim
+++ b/src/testdir/test_listener.vim
@@ -1,77 +1,86 @@
 " tests for listener_add() and listener_remove()
 
-func StoreList(l)
-  let g:list = a:l
+func s:StoreList(l)
+  let s:list = a:l
 endfunc
 
-func AnotherStoreList(l)
-  let g:list2 = a:l
+func s:AnotherStoreList(l)
+  let s:list2 = a:l
 endfunc
 
-func EvilStoreList(l)
-  let g:list3 = a:l
+func s:EvilStoreList(l)
+  let s:list3 = a:l
   call assert_fails("call add(a:l, 'myitem')", "E742:")
 endfunc
 
 func Test_listening()
   new
   call setline(1, ['one', 'two'])
-  let id = listener_add({l -> StoreList(l)})
+  let id = listener_add({l -> s:StoreList(l)})
   call setline(1, 'one one')
   redraw
-  call assert_equal([{'lnum': 1, 'end': 2, 'col': 1, 'added': 0}], g:list)
+  call assert_equal([{'lnum': 1, 'end': 2, 'col': 1, 'added': 0}], s:list)
 
   " Two listeners, both get called.
-  let id2 = listener_add({l -> AnotherStoreList(l)})
-  let g:list = []
-  let g:list2 = []
+  let id2 = listener_add({l -> s:AnotherStoreList(l)})
+  let s:list = []
+  let s:list2 = []
   exe "normal $asome\<Esc>"
   redraw
-  call assert_equal([{'lnum': 1, 'end': 2, 'col': 8, 'added': 0}], g:list)
-  call assert_equal([{'lnum': 1, 'end': 2, 'col': 8, 'added': 0}], g:list2)
+  call assert_equal([{'lnum': 1, 'end': 2, 'col': 8, 'added': 0}], s:list)
+  call assert_equal([{'lnum': 1, 'end': 2, 'col': 8, 'added': 0}], s:list2)
 
   call listener_remove(id2)
-  let g:list = []
-  let g:list2 = []
+  let s:list = []
+  let s:list2 = []
   call setline(3, 'three')
   redraw
-  call assert_equal([{'lnum': 3, 'end': 3, 'col': 1, 'added': 1}], g:list)
-  call assert_equal([], g:list2)
+  call assert_equal([{'lnum': 3, 'end': 3, 'col': 1, 'added': 1}], s:list)
+  call assert_equal([], s:list2)
 
   " the "o" command first adds an empty line and then changes it
-  let g:list = []
+  let s:list = []
   exe "normal Gofour\<Esc>"
   redraw
   call assert_equal([{'lnum': 4, 'end': 4, 'col': 1, 'added': 1},
-	\ {'lnum': 4, 'end': 5, 'col': 1, 'added': 0}], g:list)
+	\ {'lnum': 4, 'end': 5, 'col': 1, 'added': 0}], s:list)
 
-  let g:list = []
+  " Remove last listener
+  let s:list = []
   call listener_remove(id)
   call setline(1, 'asdfasdf')
   redraw
-  call assert_equal([], g:list)
+  call assert_equal([], s:list)
 
   " Trying to change the list fails
-  let id = listener_add({l -> EvilStoreList(l)})
-  let g:list3 = []
+  let id = listener_add({l -> s:EvilStoreList(l)})
+  let s:list3 = []
   call setline(1, 'asdfasdf')
   redraw
-  call assert_equal([{'lnum': 1, 'end': 2, 'col': 1, 'added': 0}], g:list3)
+  call assert_equal([{'lnum': 1, 'end': 2, 'col': 1, 'added': 0}], s:list3)
 
+  call listener_remove(id)
   bwipe!
 endfunc
 
+func s:StoreBufList(buf, l)
+  let s:bufnr = a:buf
+  let s:list = a:l
+endfunc
+
 func Test_listening_other_buf()
   new
   call setline(1, ['one', 'two'])
   let bufnr = bufnr('')
   normal ww
-  let id = listener_add({l -> StoreList(l)}, bufnr)
-  let g:list = []
+  let id = listener_add(function('s:StoreBufList', [bufnr]), bufnr)
+  let s:list = []
   call setbufline(bufnr, 1, 'hello')
   redraw
-  call assert_equal([{'lnum': 1, 'end': 2, 'col': 1, 'added': 0}], g:list)
+  call assert_equal(bufnr, s:bufnr)
+  call assert_equal([{'lnum': 1, 'end': 2, 'col': 1, 'added': 0}], s:list)
 
+  call listener_remove(id)
   exe "buf " .. bufnr
   bwipe!
 endfunc