3 files changed, 47 insertions, 0 deletions
diff --git a/src/nvim/testdir/test_cmdline.vim b/src/nvim/testdir/test_cmdline.vim
index dc9790a39c..115c228ce8 100644
--- a/src/nvim/testdir/test_cmdline.vim
+++ b/src/nvim/testdir/test_cmdline.vim
@@ -25,6 +25,26 @@ func Test_complete_wildmenu()
   set nowildmenu
 endfunc
 
+func Test_map_completion()
+  if !has('cmdline_compl')
+    return
+  endif
+  call feedkeys(":map <unique> <si\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <unique> <silent>', getreg(':'))
+  call feedkeys(":map <script> <un\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <script> <unique>', getreg(':'))
+  call feedkeys(":map <expr> <sc\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <expr> <script>', getreg(':'))
+  call feedkeys(":map <buffer> <e\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <buffer> <expr>', getreg(':'))
+  call feedkeys(":map <nowait> <b\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <nowait> <buffer>', getreg(':'))
+  call feedkeys(":map <special> <no\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <special> <nowait>', getreg(':'))
+  call feedkeys(":map <silent> <sp\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <silent> <special>', getreg(':'))
+endfunc
+
 func Test_expr_completion()
   if !(has('cmdline_compl') && has('eval'))
     return
diff --git a/src/nvim/testdir/test_diffmode.vim b/src/nvim/testdir/test_diffmode.vim
index 8ee82bd538..88f73cdb5b 100644
--- a/src/nvim/testdir/test_diffmode.vim
+++ b/src/nvim/testdir/test_diffmode.vim
@@ -272,3 +272,23 @@ func Test_setting_cursor()
   call delete('Xtest1')
   call delete('Xtest2')
 endfunc
+
+func Test_diff_lastline()
+  enew!
+  only!
+  call setline(1, ['This is a ', 'line with five ', 'rows'])
+  diffthis
+  botright vert new
+  call setline(1, ['This is', 'a line with ', 'four rows'])
+  diffthis
+  1
+  call feedkeys("Je a\<CR>", 'tx')
+  call feedkeys("Je a\<CR>", 'tx')
+  let w1lines = winline()
+  wincmd w
+  $
+  let w2lines = winline()
+  call assert_equal(w2lines, w1lines)
+  bwipe!
+  bwipe!
+endfunc
diff --git a/src/nvim/testdir/test_search.vim b/src/nvim/testdir/test_search.vim
index a333e7f206..03112df46f 100644
--- a/src/nvim/testdir/test_search.vim
+++ b/src/nvim/testdir/test_search.vim
@@ -298,3 +298,10 @@ func Test_searchpair()
   q!
 endfunc
 
+func Test_searchc()
+  " These commands used to cause memory overflow in searchc().
+  new
+  norm ixx
+  exe "norm 0t\u93cf"
+  bw!
+endfunc