3 files changed, 42 insertions, 12 deletions
diff --git a/src/nvim/testdir/test_cmdline.vim b/src/nvim/testdir/test_cmdline.vim
index f7a6aba6e7..c3bfae1b7b 100644
--- a/src/nvim/testdir/test_cmdline.vim
+++ b/src/nvim/testdir/test_cmdline.vim
@@ -209,3 +209,26 @@ func Test_expand_star_star()
   bwipe!
   call delete('a', 'rf')
 endfunc
+
+func Test_paste_in_cmdline()
+  let @a = "def"
+  call feedkeys(":abc \<C-R>a ghi\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"abc def ghi', @:)
+
+  new
+  call setline(1, 'asdf.x /tmp/some verylongword a;b-c*d ')
+
+  call feedkeys(":aaa \<C-R>\<C-W> bbb\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"aaa asdf bbb', @:)
+
+  call feedkeys("ft:aaa \<C-R>\<C-F> bbb\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"aaa /tmp/some bbb', @:)
+
+  set incsearch
+  call feedkeys("fy:aaa veryl\<C-R>\<C-W> bbb\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"aaa verylongword bbb', @:)
+
+  call feedkeys("f;:aaa \<C-R>\<C-A> bbb\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"aaa a;b-c*d bbb', @:)
+  bwipe!
+endfunc
diff --git a/src/nvim/testdir/test_expr.vim b/src/nvim/testdir/test_expr.vim
index 710eae9b8b..d32facaa98 100644
--- a/src/nvim/testdir/test_expr.vim
+++ b/src/nvim/testdir/test_expr.vim
@@ -384,9 +384,10 @@ func Test_substitute_expr()
 	\ {-> submatch(2) . submatch(3) . submatch(1)}, ''))
 
   func Recurse()
-    return substitute('yyy', 'y*', {-> g:val}, '')
+    return substitute('yyy', 'y\(.\)y', {-> submatch(1)}, '')
   endfunc
-  call assert_equal('--', substitute('xxx', 'x*', {-> '-' . Recurse() . '-'}, ''))
+  " recursive call works
+  call assert_equal('-y-x-', substitute('xxx', 'x\(.\)x', {-> '-' . Recurse() . '-' . submatch(1) . '-'}, ''))
 endfunc
 
 func Test_invalid_submatch()
diff --git a/src/nvim/testdir/test_normal.vim b/src/nvim/testdir/test_normal.vim
index 6261625801..4747d5704d 100644
--- a/src/nvim/testdir/test_normal.vim
+++ b/src/nvim/testdir/test_normal.vim
@@ -1255,21 +1255,27 @@ func! Test_normal22_zet()
   " Test for ZZ
   " let shell = &shell
   " let &shell = 'sh'
-  call writefile(['1', '2'], 'Xfile')
+
+  " Remove any stale test files from previous run.
+  for file in ['Xfile_Test_normal22_zet']
+    call delete(file)
+  endfor
+
+  call writefile(['1', '2'], 'Xfile_Test_normal22_zet')
   let args = ' --headless -u NONE -N -U NONE -i NONE --noplugins'
-  call system(v:progpath . args . ' -c "%d" -c ":norm! ZZ" Xfile')
-  let a = readfile('Xfile')
+  call system(v:progpath . args . ' -c "%d" -c ":norm! ZZ" Xfile_Test_normal22_zet')
+  let a = readfile('Xfile_Test_normal22_zet')
   call assert_equal([], a)
   " Test for ZQ
-  call writefile(['1', '2'], 'Xfile')
-  call system(v:progpath . args . ' -c "%d" -c ":norm! ZQ" Xfile')
-  let a = readfile('Xfile')
+  call writefile(['1', '2'], 'Xfile_Test_normal22_zet')
+  call system(v:progpath . args . ' -c "%d" -c ":norm! ZQ" Xfile_Test_normal22_zet')
+  let a = readfile('Xfile_Test_normal22_zet')
   call assert_equal(['1', '2'], a)
 
-  " clean up
-  for file in ['Xfile']
-    call delete(file)
-  endfor
+  " Nvim: This sometimes hangs the TSAN build.
+  " for file in ['Xfile_Test_normal22_zet']
+  "   call delete(file)
+  " endfor
   " let &shell = shell
 endfunc