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diff src/testdir/test_mapping.vim @ 31077:6a2b04cd0213 v9.0.0873

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patch 9.0.0873: using freed memory when executing mapclear at more prompt Commit: https://github.com/vim/vim/commit/bf533e4e88ebac8b8fec6d3e12dadc476ce9a1df Author: Bram Moolenaar <Bram@vim.org> Date: Sun Nov 13 20:43:19 2022 +0000 patch 9.0.0873: using freed memory when executing mapclear at more prompt Problem: Using freed memory when executing mapclear at the more prompt. Solution: Do not clear mappings while listing them. (closes https://github.com/vim/vim/issues/11438)
author Bram Moolenaar <Bram@vim.org>
date Sun, 13 Nov 2022 21:45:03 +0100
parents 1b194361b71a
children ee50174810ac
line wrap: on
line diff
--- a/src/testdir/test_mapping.vim
+++ b/src/testdir/test_mapping.vim
@@ -1774,5 +1774,29 @@ func Test_using_past_typeahead()
   nunmap :00
 endfunc
 
+func Test_mapclear_while_listing()
+  CheckRunVimInTerminal
+
+  let lines =<< trim END
+      set nocompatible
+      mapclear
+      for i in range(1, 999)
+        exe 'map ' .. 'foo' .. i .. ' bar'
+      endfor
+      au CmdlineLeave : call timer_start(0, {-> execute('mapclear')})
+  END
+  call writefile(lines, 'Xmapclear', 'D')
+  let buf = RunVimInTerminal('-S Xmapclear', {'rows': 10})
+
+  " this was using freed memory
+  call term_sendkeys(buf, ":map\<CR>")
+  call TermWait(buf, 50)
+  call term_sendkeys(buf, "G")
+  call TermWait(buf, 50)
+  call term_sendkeys(buf, "\<CR>")
+
+  call StopVimInTerminal(buf)
+endfunc
+
 
 " vim: shiftwidth=2 sts=2 expandtab