Merge #8001 from justinmk/vimpatches

2025-09-26 21:18:34 +00:00 · 2018-02-12 02:59:29 +01:00
parent 418947fcb3 7da4d1561b
commit 9e9e4431c1
36 changed files with 1646 additions and 278 deletions
--- a/src/nvim/buffer.c
+++ b/src/nvim/buffer.c
@@ -1407,16 +1407,20 @@ void set_curbuf(buf_T *buf, int action)
    }
    if (bufref_valid(&prevbufref) && !aborting()) {
      win_T  *previouswin = curwin;
-      if (prevbuf == curbuf)
-        u_sync(FALSE);
-      close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf,
-          unload ? action : (action == DOBUF_GOTO
-                             && !P_HID(prevbuf)
-                             && !bufIsChanged(
-                                 prevbuf)) ? DOBUF_UNLOAD : 0, FALSE);
-      if (curwin != previouswin && win_valid(previouswin))
-        /* autocommands changed curwin, Grr! */
+      if (prevbuf == curbuf) {
+        u_sync(false);
+      }
+      close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL,
+                   prevbuf,
+                   unload
+                   ? action
+                   : (action == DOBUF_GOTO && !buf_hide(prevbuf)
+                      && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0,
+                   false);
+      if (curwin != previouswin && win_valid(previouswin)) {
+        // autocommands changed curwin, Grr!
        curwin = previouswin;
+      }
    }
  }
  /* An autocommand may have deleted "buf", already entered it (e.g., when
@@ -4413,12 +4417,12 @@ do_arg_all (
      }
      wp->w_arg_idx = i;

-      if (i == opened_len && !keep_tabs) {    /* close this window */
-        if (P_HID(buf) || forceit || buf->b_nwindows > 1
+      if (i == opened_len && !keep_tabs) {    // close this window
+        if (buf_hide(buf) || forceit || buf->b_nwindows > 1
            || !bufIsChanged(buf)) {
          /* If the buffer was changed, and we would like to hide it,
           * try autowriting. */
-          if (!P_HID(buf) && buf->b_nwindows <= 1 && bufIsChanged(buf)) {
+          if (!buf_hide(buf) && buf->b_nwindows <= 1 && bufIsChanged(buf)) {
            bufref_T bufref;
            set_bufref(&bufref, buf);
            (void)autowrite(buf, false);
@@ -4433,7 +4437,7 @@ do_arg_all (
              && (first_tabpage->tp_next == NULL || !had_tab)) {
            use_firstwin = true;
          } else {
-            win_close(wp, !P_HID(buf) && !bufIsChanged(buf));
+            win_close(wp, !buf_hide(buf) && !bufIsChanged(buf));
            // check if autocommands removed the next window
            if (!win_valid(wpnext)) {
              // start all over...
@@ -4511,14 +4515,15 @@ do_arg_all (
        new_curwin = curwin;
        new_curtab = curtab;
      }
-      (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL,
-          ECMD_ONE,
-          ((P_HID(curwin->w_buffer)
-            || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0)
-          + ECMD_OLDBUF, curwin);
-      if (use_firstwin)
-        ++autocmd_no_leave;
-      use_firstwin = FALSE;
+      (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, ECMD_ONE,
+                    ((buf_hide(curwin->w_buffer)
+                      || bufIsChanged(curwin->w_buffer))
+                     ? ECMD_HIDE : 0) + ECMD_OLDBUF,
+                    curwin);
+      if (use_firstwin) {
+        autocmd_no_leave++;
+      }
+      use_firstwin = false;
    }
    os_breakcheck();

@@ -4705,14 +4710,14 @@ void ex_buffer_all(exarg_T *eap)
   * Close superfluous windows.
   */
  for (wp = lastwin; open_wins > count; ) {
-    r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer)
-         || autowrite(wp->w_buffer, FALSE) == OK);
+    r = (buf_hide(wp->w_buffer) || !bufIsChanged(wp->w_buffer)
+         || autowrite(wp->w_buffer, false) == OK);
    if (!win_valid(wp)) {
      /* BufWrite Autocommands made the window invalid, start over */
      wp = lastwin;
    } else if (r) {
-      win_close(wp, !P_HID(wp->w_buffer));
-      --open_wins;
+      win_close(wp, !buf_hide(wp->w_buffer));
+      open_wins--;
      wp = lastwin;
    } else {
      wp = wp->w_prev;
--- a/src/nvim/ex_cmds.c
+++ b/src/nvim/ex_cmds.c
@@ -2013,9 +2013,10 @@ int getfile(int fnum, char_u *ffname, char_u *sfname, int setpm, linenr_T lnum,
  } else
    other = (fnum != curbuf->b_fnum);

-  if (other)
-    ++no_wait_return;               /* don't wait for autowrite message */
-  if (other && !forceit && curbuf->b_nwindows == 1 && !P_HID(curbuf)
+  if (other) {
+    no_wait_return++;               // don't wait for autowrite message
+  }
+  if (other && !forceit && curbuf->b_nwindows == 1 && !buf_hide(curbuf)
      && curbufIsChanged() && autowrite(curbuf, forceit) == FAIL) {
    if (p_confirm && p_write)
      dialog_changed(curbuf, FALSE);
@@ -2032,17 +2033,19 @@ int getfile(int fnum, char_u *ffname, char_u *sfname, int setpm, linenr_T lnum,
  if (setpm)
    setpcmark();
  if (!other) {
-    if (lnum != 0)
+    if (lnum != 0) {
      curwin->w_cursor.lnum = lnum;
+    }
    check_cursor_lnum();
    beginline(BL_SOL | BL_FIX);
-    retval = 0;         /* it's in the same file */
+    retval = 0;         // it's in the same file
  } else if (do_ecmd(fnum, ffname, sfname, NULL, lnum,
-                 (P_HID(curbuf) ? ECMD_HIDE : 0) + (forceit ? ECMD_FORCEIT : 0),
-                 curwin) == OK)
-    retval = -1;        /* opened another file */
-  else
-    retval = 1;         /* error encountered */
+                     (buf_hide(curbuf) ? ECMD_HIDE : 0)
+                     + (forceit ? ECMD_FORCEIT : 0), curwin) == OK) {
+    retval = -1;        // opened another file
+  } else {
+    retval = 1;         // error encountered
+  }

 theend:
  xfree(free_me);
--- a/src/nvim/ex_cmds2.c
+++ b/src/nvim/ex_cmds2.c
@@ -1343,7 +1343,7 @@ void dialog_changed(buf_T *buf, int checkall)
 /// hidden, autowriting it or unloading it.
 bool can_abandon(buf_T *buf, int forceit)
 {
-  return P_HID(buf)
+  return buf_hide(buf)
         || !bufIsChanged(buf)
         || buf->b_nwindows > 1
         || autowrite(buf, forceit) == OK
@@ -1860,12 +1860,12 @@ void do_argfile(exarg_T *eap, int argn)
      // if 'hidden' set, only check for changed file when re-editing
      // the same buffer
      other = true;
-      if (P_HID(curbuf)) {
+      if (buf_hide(curbuf)) {
        p = (char_u *)fix_fname((char *)alist_name(&ARGLIST[argn]));
        other = otherfile(p);
        xfree(p);
      }
-      if ((!P_HID(curbuf) || !other)
+      if ((!buf_hide(curbuf) || !other)
          && check_changed(curbuf, CCGD_AW
                           | (other ? 0 : CCGD_MULTWIN)
                           | (eap->forceit ? CCGD_FORCEIT : 0)
@@ -1885,7 +1885,7 @@ void do_argfile(exarg_T *eap, int argn)
    // argument index.
    if (do_ecmd(0, alist_name(&ARGLIST[curwin->w_arg_idx]), NULL,
                eap, ECMD_LAST,
-                (P_HID(curwin->w_buffer) ? ECMD_HIDE : 0)
+                (buf_hide(curwin->w_buffer) ? ECMD_HIDE : 0)
                + (eap->forceit ? ECMD_FORCEIT : 0), curwin) == FAIL) {
      curwin->w_arg_idx = old_arg_idx;
    } else if (eap->cmdidx != CMD_argdo) {
@@ -1902,7 +1902,7 @@ void ex_next(exarg_T *eap)

  // check for changed buffer now, if this fails the argument list is not
  // redefined.
-  if (P_HID(curbuf)
+  if (buf_hide(curbuf)
      || eap->cmdidx == CMD_snext
      || !check_changed(curbuf, CCGD_AW
                        | (eap->forceit ? CCGD_FORCEIT : 0)
@@ -2008,7 +2008,7 @@ void ex_listdo(exarg_T *eap)

  if (eap->cmdidx == CMD_windo
      || eap->cmdidx == CMD_tabdo
-      || P_HID(curbuf)
+      || buf_hide(curbuf)
      || !check_changed(curbuf, CCGD_AW
                        | (eap->forceit ? CCGD_FORCEIT : 0)
                        | CCGD_EXCMD)) {
@@ -3840,7 +3840,7 @@ void ex_drop(exarg_T   *eap)
    // to split the current window or data could be lost.
    // Skip the check if the 'hidden' option is set, as in this case the
    // buffer won't be lost.
-    if (!P_HID(curbuf)) {
+    if (!buf_hide(curbuf)) {
      emsg_off++;
      split = check_changed(curbuf, CCGD_AW | CCGD_EXCMD);
      emsg_off--;
--- a/src/nvim/ex_docmd.c
+++ b/src/nvim/ex_docmd.c
@@ -5986,13 +5986,12 @@ static void ex_quit(exarg_T *eap)
    return;
  }

-  /*
-   * If there are more files or windows we won't exit.
-   */
-  if (check_more(FALSE, eap->forceit) == OK && only_one_window())
-    exiting = TRUE;
-  if ((!P_HID(curbuf)
-       && check_changed(curbuf, (p_awa ? CCGD_AW : 0)
+  // If there are more files or windows we won't exit.
+  if (check_more(false, eap->forceit) == OK && only_one_window()) {
+    exiting = true;
+  }
+  if ((!buf_hide(wp->w_buffer)
+       && check_changed(wp->w_buffer, (p_awa ? CCGD_AW : 0)
                        | (eap->forceit ? CCGD_FORCEIT : 0)
                        | CCGD_EXCMD))
      || check_more(true, eap->forceit) == FAIL
@@ -6008,8 +6007,8 @@ static void ex_quit(exarg_T *eap)
    if (only_one_window() && (ONE_WINDOW || eap->addr_count == 0)) {
      getout(0);
    }
-    /* close window; may free buffer */
-    win_close(wp, !P_HID(wp->w_buffer) || eap->forceit);
+    // close window; may free buffer
+    win_close(wp, !buf_hide(wp->w_buffer) || eap->forceit);
  }
 }

@@ -6108,7 +6107,7 @@ ex_win_close (
  buf_T       *buf = win->w_buffer;

  need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
-  if (need_hide && !P_HID(buf) && !forceit) {
+  if (need_hide && !buf_hide(buf) && !forceit) {
    if ((p_confirm || cmdmod.confirm) && p_write) {
      bufref_T bufref;
      set_bufref(&bufref, buf);
@@ -6124,11 +6123,12 @@ ex_win_close (
  }


-  /* free buffer when not hiding it or when it's a scratch buffer */
-  if (tp == NULL)
-    win_close(win, !need_hide && !P_HID(buf));
-  else
-    win_close_othertab(win, !need_hide && !P_HID(buf), tp);
+  // free buffer when not hiding it or when it's a scratch buffer
+  if (tp == NULL) {
+    win_close(win, !need_hide && !buf_hide(buf));
+  } else {
+    win_close_othertab(win, !need_hide && !buf_hide(buf), tp);
+  }
 }

 /*
@@ -6359,7 +6359,7 @@ static void ex_exit(exarg_T *eap)
      getout(0);
    }
    // Quit current window, may free the buffer.
-    win_close(curwin, !P_HID(curwin->w_buffer));
+    win_close(curwin, !buf_hide(curwin->w_buffer));
  }
 }

@@ -6929,24 +6929,23 @@ do_exedit (
                                       empty buffer */
    setpcmark();
    if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
-            NULL, eap,
-            eap->do_ecmd_lnum,
-            (P_HID(curbuf) ? ECMD_HIDE : 0)
-            + (eap->forceit ? ECMD_FORCEIT : 0)
-            // After a split we can use an existing buffer.
-            + (old_curwin != NULL ? ECMD_OLDBUF : 0)
-            + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
-            , old_curwin == NULL ? curwin : NULL) == FAIL) {
-      /* Editing the file failed.  If the window was split, close it. */
+                NULL, eap, eap->do_ecmd_lnum,
+                (buf_hide(curbuf) ? ECMD_HIDE : 0)
+                + (eap->forceit ? ECMD_FORCEIT : 0)
+                // After a split we can use an existing buffer.
+                + (old_curwin != NULL ? ECMD_OLDBUF : 0)
+                + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0)
+                , old_curwin == NULL ? curwin : NULL) == FAIL) {
+      // Editing the file failed.  If the window was split, close it.
      if (old_curwin != NULL) {
        need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
-        if (!need_hide || P_HID(curbuf)) {
+        if (!need_hide || buf_hide(curbuf)) {
          cleanup_T cs;

          /* Reset the error/interrupt/exception state here so that
           * aborting() returns FALSE when closing a window. */
          enter_cleanup(&cs);
-          win_close(curwin, !need_hide && !P_HID(curbuf));
+          win_close(curwin, !need_hide && !buf_hide(curbuf));

          /* Restore the error/interrupt/exception state if not
           * discarded by a new aborting error, interrupt, or
--- a/src/nvim/normal.c
+++ b/src/nvim/normal.c
@@ -5230,12 +5230,12 @@ static void nv_gotofile(cmdarg_T *cap)

  if (ptr != NULL) {
    // do autowrite if necessary
-    if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !P_HID(curbuf)) {
+    if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !buf_hide(curbuf)) {
      (void)autowrite(curbuf, false);
    }
    setpcmark();
    (void)do_ecmd(0, ptr, NULL, NULL, ECMD_LAST,
-        P_HID(curbuf) ? ECMD_HIDE : 0, curwin);
+                  buf_hide(curbuf) ? ECMD_HIDE : 0, curwin);
    if (cap->nchar == 'F' && lnum >= 0) {
      curwin->w_cursor.lnum = lnum;
      check_cursor_lnum();
--- a/src/nvim/option_defs.h
+++ b/src/nvim/option_defs.h
@@ -454,9 +454,6 @@ EXTERN char_u   *p_hf;          // 'helpfile'
 EXTERN long p_hh;               // 'helpheight'
 EXTERN char_u   *p_hlg;         // 'helplang'
 EXTERN int p_hid;               // 'hidden'
-// Use P_HID to check if a buffer is to be hidden when it is no longer
-// visible in a window.
-# define P_HID(buf) (buf_hide(buf))
 EXTERN char_u   *p_hl;          // 'highlight'
 EXTERN int p_hls;               // 'hlsearch'
 EXTERN long p_hi;               // 'history'
--- a/src/nvim/search.c
+++ b/src/nvim/search.c
@@ -1380,13 +1380,15 @@ int searchc(cmdarg_T *cap, int t_cmd)
          lastc_bytelen += (*mb_char2bytes)(cap->ncharC2, lastc_bytes + lastc_bytelen);
      }
    }
-  } else {            /* repeat previous search */
-    if (*lastc == NUL)
+  } else {            // repeat previous search
+    if (*lastc == NUL && lastc_bytelen == 1) {
      return FAIL;
-    if (dir)            /* repeat in opposite direction */
+    }
+    if (dir) {        // repeat in opposite direction
      dir = -lastcdir;
-    else
+    } else {
      dir = lastcdir;
+    }
    t_cmd = last_t_cmd;
    c = *lastc;
    /* For multi-byte re-use last lastc_bytes[] and lastc_bytelen. */
--- a/src/nvim/testdir/Makefile
+++ b/src/nvim/testdir/Makefile
@@ -23,7 +23,6 @@ SCRIPTS_DEFAULT = \
           test49.out             \
           test52.out             \
           test64.out             \
-           test73.out             \

 ifneq ($(OS),Windows_NT)
  SCRIPTS_DEFAULTS := $(SCRIPTS_DEFAULT) \
@@ -42,17 +41,21 @@ NEW_TESTS ?= \
 	    test_changedtick.res \
 	    test_charsearch.res \
 	    test_cindent.res \
+	    test_close_count.res \
 	    test_cmdline.res \
 	    test_command_count.res \
 	    test_cscope.res \
 	    test_curswant.res \
 	    test_digraph.res \
 	    test_edit.res \
+	    test_erasebackword.res \
 	    test_exists.res \
 	    test_diffmode.res \
 	    test_farsi.res \
 	    test_file_size.res \
 	    test_filter_map.res \
+	    test_find_complete.res \
+	    test_fixeol.res \
 	    test_findfile.res \
 	    test_fnameescape.res \
 	    test_fold.res \
@@ -72,13 +75,13 @@ NEW_TESTS ?= \
 	    test_langmap.res \
 	    test_let.res \
 	    test_lineending.res \
+	    test_listdict.res \
+	    test_listchars.res \
 	    test_makeencoding.res \
 	    test_marks.res \
 	    test_match.res \
 	    test_matchadd_conceal.res \
-	    test_matchadd_conceal_utf8.res \
 	    test_mksession.res \
-	    test_mksession_utf8.res \
 	    test_nested_function.res \
 	    test_normal.res \
 	    test_number.res \
@@ -94,7 +97,6 @@ NEW_TESTS ?= \
 	    test_spell.res \
 	    test_stat.res \
 	    test_startup.res \
-	    test_startup_utf8.res \
 	    test_substitute.res \
 	    test_syntax.res \
 	    test_system.res \
@@ -109,6 +111,8 @@ NEW_TESTS ?= \
 	    test_winbuf_close.res \
 	    test_window_id.res \
 	    test_writefile.res \
+	    test_alot_latin.res \
+	    test_alot_utf8.res \
 	    test_alot.res

 SCRIPTS_GUI := test16.out
--- a/src/nvim/testdir/runtest.vim
+++ b/src/nvim/testdir/runtest.vim
@@ -95,6 +95,10 @@ func RunTheTest(test)
  " buffers.
  %bwipe!

+  " The test may change the current directory. Save and restore the
+  " directory after executing the test.
+  let save_cwd = getcwd()
+
  if exists("*SetUp")
    try
      call SetUp()
@@ -149,6 +153,8 @@ func RunTheTest(test)
      break
    endif
  endwhile
+
+  exe 'cd ' . save_cwd
 endfunc

 func AfterTheTest()
--- a/src/nvim/testdir/sautest/autoload/footest.vim
+++ b/src/nvim/testdir/sautest/autoload/footest.vim
@@ -1,4 +1,4 @@
-" Autoload script used by test55 and test60
+" Autoload script used by test_listdict.vim, test_exists.vim and test_let.vim
 let footest#x = 1
 func footest#F()
  return 0
--- a/src/nvim/testdir/test73.in
+++ b/src/nvim/testdir/test73.in
@@ -1,168 +0,0 @@
-Tests for find completion.
-
-STARTTEST
-:set wildmode=full
-:" Do all test in a separate window to avoid E211 when we recursively
-:" delete the Xfind directory during cleanup
-:"
-:" This will cause a few errors, do it silently.
-:set visualbell
-:"
-:" On windows a stale "Xfind" directory may exist, remove it so that
-:" we start from a clean state.
-:call delete("Xfind", "rf")
-:new
-:let cwd=getcwd()
-:let test_out = cwd . '/test.out'
-:call mkdir('Xfind')
-:cd Xfind
-:set path=
-:find 	
-:exec "w! " . test_out
-:close
-:new
-:set path=.
-:find 	
-:exec "w >>" . test_out
-:close
-:new
-:set path=.,,
-:find 	
-:exec "w >>" . test_out
-:close
-:new
-:set path=./**
-:find 	
-:exec "w >>" . test_out
-:close
-:new
-:" We shouldn't find any file at this point, test.out must be empty.
-:call mkdir('in')
-:cd in
-:call mkdir('path')
-:exec "cd " . cwd
-:e Xfind/file.txt
-SHoly Grail:w
-:e Xfind/in/file.txt
-SJimmy Hoffa:w
-:e Xfind/in/stuff.txt
-SAnother Holy Grail:w
-:e Xfind/in/path/file.txt
-SE.T.:w
-:set path=Xfind/**
-:find file	
-:exec "w >>" . test_out
-:find file		
-:exec "w >>" . test_out
-:find file			
-:exec "w >>" . test_out
-:" Rerun the previous three find completions, using fullpath in 'path'
-:exec "set path=" . cwd . "/Xfind/**"
-:find file	
-:exec "w >>" .  test_out
-:find file		
-:exec "w >>" . test_out
-:find file			
-:exec "w >>" . test_out
-:" Same steps again, using relative and fullpath items that point to the same
-:" recursive location.
-:" This is to test that there are no duplicates in the completion list.
-:exec "set path+=Xfind/**"
-:find file	
-:exec "w >>" .  test_out
-:find file		
-:exec "w >>" . test_out
-:find file			
-:exec "w >>" . test_out
-:find file		
-:" Test find completion for directory of current buffer, which at this point
-:" is Xfind/in/file.txt.
-:set path=.
-:find st	
-:exec "w >>" .  test_out
-:" Test find completion for empty path item ",," which is the current directory
-:cd Xfind
-:set path=,,
-:find f		
-:exec "w >>" . test_out
-:" Test shortening of
-:"
-:"    foo/x/bar/voyager.txt
-:"    foo/y/bar/voyager.txt
-:"
-:" When current directory is above foo/ they should be shortened to (in order
-:" of appearance):
-:"
-:"    x/bar/voyager.txt
-:"    y/bar/voyager.txt
-:call mkdir('foo')
-:cd foo
-:call mkdir('x')
-:call mkdir('y')
-:cd x
-:call mkdir('bar')
-:cd ..
-:cd y
-:call mkdir('bar')
-:cd ..
-:cd ..
-:" We should now be in the Xfind directory
-:e foo/x/bar/voyager.txt
-SVoyager 1:w
-:e foo/y/bar/voyager.txt
-SVoyager 2:w
-:exec "set path=" . cwd . "/Xfind/**"
-:find voyager	
-:exec "w >>" . test_out
-:find voyager		
-:exec "w >>" . test_out
-:"
-:" When current directory is .../foo/y/bar they should be shortened to (in
-:" order of appearance):
-:"
-:"    ./voyager.txt
-:"    x/bar/voyager.txt
-:cd foo
-:cd y
-:cd bar
-:find voyager	
-:exec "w >> " . test_out
-:find voyager		
-:exec "w >> " . test_out
-:" Check the opposite too:
-:cd ..
-:cd ..
-:cd x
-:cd bar
-:find voyager	
-:exec "w >> " . test_out
-:find voyager		
-:exec "w >> " . test_out
-:" Check for correct handling of shorten_fname()'s behavior on windows
-:exec "cd " . cwd . "/Xfind/in"
-:find file	
-:exec "w >>" . test_out
-:" Test for relative to current buffer 'path' item
-:exec "cd " . cwd . "/Xfind/"
-:set path=./path
-:" Open the file where Jimmy Hoffa is found
-:e in/file.txt
-:" Find the file containing 'E.T.' in the Xfind/in/path directory
-:find file	
-:exec "w >>" . test_out
-:"
-:" Test that completion works when path=.,,
-:"
-:set path=.,,
-:" Open Jimmy Hoffa file
-:e in/file.txt
-:exec "w >>" . test_out
-:" Search for the file containing Holy Grail in same directory as in/path.txt
-:find stu	
-:exec "w >>" . test_out
-:q
-:exec "cd " . cwd
-:call delete("Xfind", "rf")
-:qa!
-ENDTEST
-
--- a/src/nvim/testdir/test73.ok
+++ b/src/nvim/testdir/test73.ok
@@ -1,21 +0,0 @@
-Holy Grail
-Jimmy Hoffa
-E.T.
-Holy Grail
-Jimmy Hoffa
-E.T.
-Holy Grail
-Jimmy Hoffa
-E.T.
-Another Holy Grail
-Holy Grail
-Voyager 1
-Voyager 2
-Voyager 2
-Voyager 1
-Voyager 1
-Voyager 2
-Jimmy Hoffa
-E.T.
-Jimmy Hoffa
-Another Holy Grail
--- a/src/nvim/testdir/test_alot.vim
+++ b/src/nvim/testdir/test_alot.vim
@@ -7,7 +7,6 @@ source test_cursor_func.vim
 source test_ex_undo.vim
 source test_execute_func.vim
 source test_expr.vim
-source test_expr_utf8.vim
 source test_feedkeys.vim
 source test_filter_cmd.vim
 source test_filter_map.vim
@@ -28,6 +27,7 @@ source test_popup.vim
 source test_recover.vim
 source test_regexp_utf8.vim
 source test_source_utf8.vim
+source test_sha256.vim
 source test_statusline.vim
 source test_syn_attr.vim
 source test_tabline.vim
--- a/src/nvim/testdir/test_alot_latin.vim
+++ b/src/nvim/testdir/test_alot_latin.vim
@@ -0,0 +1,10 @@
+" A series of tests that can run in one Vim invocation.
+" This makes testing go faster, since Vim doesn't need to restart.
+
+" These tests use latin1 'encoding'.  Setting 'encoding' is in the individual
+" files, so that they can be run by themselves.
+
+" Nvim does not allow setting 'encoding', so skip this test group.
+finish
+
+source test_regexp_latin.vim
--- a/src/nvim/testdir/test_alot_utf8.vim
+++ b/src/nvim/testdir/test_alot_utf8.vim
@@ -0,0 +1,17 @@
+" A series of tests that can run in one Vim invocation.
+" This makes testing go faster, since Vim doesn't need to restart.
+
+" These tests use utf8 'encoding'.  Setting 'encoding' is already done in
+" runtest.vim.  Checking for the multi_byte feature is in the individual
+" files, so that they can be run by themselves.
+
+source test_charsearch_utf8.vim
+source test_expr_utf8.vim
+source test_listlbr_utf8.vim
+source test_matchadd_conceal_utf8.vim
+source test_mksession_utf8.vim
+source test_regexp_utf8.vim
+source test_source_utf8.vim
+source test_startup_utf8.vim
+source test_utf8.vim
+source test_utf8_comparisons.vim
--- a/src/nvim/testdir/test_charsearch_utf8.vim
+++ b/src/nvim/testdir/test_charsearch_utf8.vim
@@ -0,0 +1,22 @@
+" Tests for related f{char} and t{char} using utf-8.
+if !has('multi_byte')
+  finish
+endif
+
+" Test for t,f,F,T movement commands
+function! Test_search_cmds()
+  new!
+  call setline(1, "・最初から最後まで最強のVimは最高")
+  1
+  normal! f最
+  call assert_equal([0, 1, 4, 0], getpos('.'))
+  normal! ;
+  call assert_equal([0, 1, 16, 0], getpos('.'))
+  normal! 2;
+  call assert_equal([0, 1, 43, 0], getpos('.'))
+  normal! ,
+  call assert_equal([0, 1, 28, 0], getpos('.'))
+  bw!
+endfunction
+
+" vim: shiftwidth=2 sts=2 expandtab
--- a/src/nvim/testdir/test_close_count.vim
+++ b/src/nvim/testdir/test_close_count.vim
@@ -0,0 +1,174 @@
+
+" Tests for :[count]close! command
+func Test_close_count()
+  enew! | only
+
+  let wids = [win_getid()]
+  for i in range(5)
+    new
+    call add(wids, win_getid())
+  endfor
+
+  4wincmd w
+  close!
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[5], wids[4], wids[3], wids[1], wids[0]], ids)
+
+  1close!
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[4], wids[3], wids[1], wids[0]], ids)
+
+  $close!
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[4], wids[3], wids[1]], ids)
+
+  1wincmd w
+  2close!
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[4], wids[1]], ids)
+
+  1wincmd w
+  new
+  call add(wids, win_getid())
+  new
+  call add(wids, win_getid())
+  2wincmd w
+  -1close!
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[6], wids[4], wids[1]], ids)
+
+  2wincmd w
+  +1close!
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[6], wids[4]], ids)
+
+  only!
+endfunc
+
+" Tests for :[count]hide command
+func Test_hide_count()
+  enew! | only
+
+  let wids = [win_getid()]
+  for i in range(5)
+    new
+    call add(wids, win_getid())
+  endfor
+
+  4wincmd w
+  .hide
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[5], wids[4], wids[3], wids[1], wids[0]], ids)
+
+  1hide
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[4], wids[3], wids[1], wids[0]], ids)
+
+  $hide
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[4], wids[3], wids[1]], ids)
+
+  1wincmd w
+  2hide
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[4], wids[1]], ids)
+
+  1wincmd w
+  new
+  call add(wids, win_getid())
+  new
+  call add(wids, win_getid())
+  3wincmd w
+  -hide
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[7], wids[4], wids[1]], ids)
+
+  2wincmd w
+  +hide
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[7], wids[4]], ids)
+
+  only!
+endfunc
+
+" Tests for :[count]close! command with 'hidden'
+func Test_hidden_close_count()
+  enew! | only
+
+  let wids = [win_getid()]
+  for i in range(5)
+    new
+    call add(wids, win_getid())
+  endfor
+
+  set hidden
+
+  $ hide
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[5], wids[4], wids[3], wids[2], wids[1]], ids)
+
+  $-1 close!
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[5], wids[4], wids[3], wids[1]], ids)
+
+  1wincmd w
+  .+close!
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[5], wids[3], wids[1]], ids)
+
+  set nohidden
+  only!
+endfunc
+
+" Tests for 'CTRL-W c' command to close windows.
+func Test_winclose_command()
+  enew! | only
+
+  let wids = [win_getid()]
+  for i in range(5)
+    new
+    call add(wids, win_getid())
+  endfor
+
+  set hidden
+
+  4wincmd w
+  exe "normal \<C-W>c"
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[5], wids[4], wids[3], wids[1], wids[0]], ids)
+
+  exe "normal 1\<C-W>c"
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[4], wids[3], wids[1], wids[0]], ids)
+
+  exe "normal 9\<C-W>c"
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[4], wids[3], wids[1]], ids)
+
+  1wincmd w
+  exe "normal 2\<C-W>c"
+  let ids = []
+  windo call add(ids, win_getid())
+  call assert_equal([wids[4], wids[1]], ids)
+
+  set nohidden
+  only!
+endfunc
--- a/src/nvim/testdir/test_edit.vim
+++ b/src/nvim/testdir/test_edit.vim
@@ -216,14 +216,16 @@ endfunc
 func! Test_edit_08()
  throw 'skipped: moved to test/functional/legacy/edit_spec.lua'
  " reset insertmode from i_ctrl-r_=
+  let g:bufnr = bufnr('%')
  new
  call setline(1, ['abc'])
  call cursor(1, 4)
-  call feedkeys(":set im\<cr>ZZZ\<c-r>=setbufvar(1,'&im', 0)\<cr>",'tnix')
+  call feedkeys(":set im\<cr>ZZZ\<c-r>=setbufvar(g:bufnr,'&im', 0)\<cr>",'tnix')
  call assert_equal(['abZZZc'], getline(1,'$'))
  call assert_equal([0, 1, 1, 0], getpos('.'))
  call assert_false(0, '&im')
  bw!
+  unlet g:bufnr
 endfunc

 func! Test_edit_09()
@@ -1308,3 +1310,16 @@ func! Test_edit_rightleft()
  set norightleft
  bw!
 endfunc
+
+func Test_edit_quit()
+  edit foo.txt
+  split
+  new
+  call setline(1, 'hello')
+  3wincmd w
+  redraw!
+  call assert_fails('1q', 'E37:')
+  bwipe! foo.txt
+  only
+endfunc
+
--- a/src/nvim/testdir/test_erasebackword.vim
+++ b/src/nvim/testdir/test_erasebackword.vim
@@ -0,0 +1,25 @@
+
+func Test_erasebackword()
+  if !has('multi_byte')
+    return
+  endif
+
+  set encoding=utf-8
+  enew
+
+  exe "normal o wwwこんにちわ世界ワールドvim \<C-W>"
+  call assert_equal(' wwwこんにちわ世界ワールド', getline('.'))
+  exe "normal o wwwこんにちわ世界ワールドvim \<C-W>\<C-W>"
+  call assert_equal(' wwwこんにちわ世界', getline('.'))
+  exe "normal o wwwこんにちわ世界ワールドvim \<C-W>\<C-W>\<C-W>"
+  call assert_equal(' wwwこんにちわ', getline('.'))
+  exe "normal o wwwこんにちわ世界ワールドvim \<C-W>\<C-W>\<C-W>\<C-W>"
+  call assert_equal(' www', getline('.'))
+  exe "normal o wwwこんにちわ世界ワールドvim \<C-W>\<C-W>\<C-W>\<C-W>\<C-W>"
+  call assert_equal(' ', getline('.'))
+  exe "normal o wwwこんにちわ世界ワールドvim \<C-W>\<C-W>\<C-W>\<C-W>\<C-W>\<C-W>"
+  call assert_equal('', getline('.'))
+
+  enew!
+  set encoding&
+endfunc
--- a/src/nvim/testdir/test_expr_utf8.vim
+++ b/src/nvim/testdir/test_expr_utf8.vim
@@ -3,7 +3,7 @@ if !has('multi_byte')
  finish
 endif

-func Test_strgetchar_utf8()
+func Test_strgetchar()
  call assert_equal(char2nr('á'), strgetchar('áxb', 0))
  call assert_equal(char2nr('x'), strgetchar('áxb', 1))

@@ -16,7 +16,7 @@ func Test_strgetchar_utf8()
  call assert_equal(char2nr('い'), strgetchar('あaい', 2))
 endfunc

-func Test_strcharpart_utf8()
+func Test_strcharpart()
  call assert_equal('áxb', strcharpart('áxb', 0))
  call assert_equal('á', strcharpart('áxb', 0, 1))
  call assert_equal('x', strcharpart('áxb', 1, 1))
--- a/src/nvim/testdir/test_find_complete.vim
+++ b/src/nvim/testdir/test_find_complete.vim
@@ -0,0 +1,157 @@
+" Tests for the 'find' command completion.
+
+" Do all the tests in a separate window to avoid E211 when we recursively
+" delete the Xfind directory during cleanup
+func Test_find_complete()
+  set belloff=all
+
+  " On windows a stale "Xfind" directory may exist, remove it so that
+  " we start from a clean state.
+  call delete("Xfind", "rf")
+  let cwd = getcwd()
+  let test_out = cwd . '/test.out'
+  call mkdir('Xfind')
+  cd Xfind
+
+  new
+  set path=
+  call assert_fails('call feedkeys(":find\t\n", "xt")', 'E345:')
+  close
+
+  new
+  set path=.
+  call assert_fails('call feedkeys(":find\t\n", "xt")', 'E32:')
+  close
+
+  new
+  set path=.,,
+  call assert_fails('call feedkeys(":find\t\n", "xt")', 'E32:')
+  close
+
+  new
+  set path=./**
+  call assert_fails('call feedkeys(":find\t\n", "xt")', 'E32:')
+  close
+
+  " We shouldn't find any file till this point
+
+  call mkdir('in/path', 'p')
+  exe 'cd ' . cwd
+  call writefile(['Holy Grail'], 'Xfind/file.txt')
+  call writefile(['Jimmy Hoffa'], 'Xfind/in/file.txt')
+  call writefile(['Another Holy Grail'], 'Xfind/in/stuff.txt')
+  call writefile(['E.T.'], 'Xfind/in/path/file.txt')
+
+  new
+  set path=Xfind/**
+  call feedkeys(":find file\t\n", "xt")
+  call assert_equal('Holy Grail', getline(1))
+  call feedkeys(":find file\t\t\n", "xt")
+  call assert_equal('Jimmy Hoffa', getline(1))
+  call feedkeys(":find file\t\t\t\n", "xt")
+  call assert_equal('E.T.', getline(1))
+
+  " Rerun the previous three find completions, using fullpath in 'path'
+  exec "set path=" . cwd . "/Xfind/**"
+
+  call feedkeys(":find file\t\n", "xt")
+  call assert_equal('Holy Grail', getline(1))
+  call feedkeys(":find file\t\t\n", "xt")
+  call assert_equal('Jimmy Hoffa', getline(1))
+  call feedkeys(":find file\t\t\t\n", "xt")
+  call assert_equal('E.T.', getline(1))
+
+  " Same steps again, using relative and fullpath items that point to the same
+  " recursive location.
+  " This is to test that there are no duplicates in the completion list.
+  set path+=Xfind/**
+  call feedkeys(":find file\t\n", "xt")
+  call assert_equal('Holy Grail', getline(1))
+  call feedkeys(":find file\t\t\n", "xt")
+  call assert_equal('Jimmy Hoffa', getline(1))
+  call feedkeys(":find file\t\t\t\n", "xt")
+  call assert_equal('E.T.', getline(1))
+  call feedkeys(":find file\t\t\n", "xt")
+
+  " Test find completion for directory of current buffer, which at this point
+  " is Xfind/in/file.txt.
+  set path=.
+  call feedkeys(":find st\t\n", "xt")
+  call assert_equal('Another Holy Grail', getline(1))
+
+  " Test find completion for empty path item ",," which is the current
+  " directory
+  cd Xfind
+  set path=,,
+  call feedkeys(":find f\t\n", "xt")
+  call assert_equal('Holy Grail', getline(1))
+
+  " Test shortening of
+  "
+  "    foo/x/bar/voyager.txt
+  "    foo/y/bar/voyager.txt
+  "
+  " When current directory is above foo/ they should be shortened to (in order
+  " of appearance):
+  "
+  "    x/bar/voyager.txt
+  "    y/bar/voyager.txt
+  call mkdir('foo/x/bar', 'p')
+  call mkdir('foo/y/bar', 'p')
+  call writefile(['Voyager 1'], 'foo/x/bar/voyager.txt')
+  call writefile(['Voyager 2'], 'foo/y/bar/voyager.txt')
+
+  exec "set path=" . cwd . "/Xfind/**"
+  call feedkeys(":find voyager\t\n", "xt")
+  call assert_equal('Voyager 1', getline(1))
+  call feedkeys(":find voyager\t\t\n", "xt")
+  call assert_equal('Voyager 2', getline(1))
+
+  "
+  " When current directory is .../foo/y/bar they should be shortened to (in
+  " order of appearance):
+  "
+  "    ./voyager.txt
+  "    x/bar/voyager.txt
+  cd foo/y/bar
+  call feedkeys(":find voyager\t\n", "xt")
+  call assert_equal('Voyager 2', getline(1))
+  call feedkeys(":find voyager\t\t\n", "xt")
+  call assert_equal('Voyager 1', getline(1))
+
+  " Check the opposite too:
+  cd ../../x/bar
+  call feedkeys(":find voyager\t\n", "xt")
+  call assert_equal('Voyager 1', getline(1))
+  call feedkeys(":find voyager\t\t\n", "xt")
+  call assert_equal('Voyager 2', getline(1))
+
+  " Check for correct handling of shorten_fname()'s behavior on windows
+  exec "cd " . cwd . "/Xfind/in"
+  call feedkeys(":find file\t\n", "xt")
+  call assert_equal('Jimmy Hoffa', getline(1))
+
+  " Test for relative to current buffer 'path' item
+  exec "cd " . cwd . "/Xfind/"
+  set path=./path
+  " Open the file where Jimmy Hoffa is found
+  e in/file.txt
+  " Find the file containing 'E.T.' in the Xfind/in/path directory
+  call feedkeys(":find file\t\n", "xt")
+  call assert_equal('E.T.', getline(1))
+
+  " Test that completion works when path=.,,
+  set path=.,,
+  " Open Jimmy Hoffa file
+  e in/file.txt
+  call assert_equal('Jimmy Hoffa', getline(1))
+
+  " Search for the file containing Holy Grail in same directory as in/path.txt
+  call feedkeys(":find stu\t\n", "xt")
+  call assert_equal('Another Holy Grail', getline(1))
+
+  enew | only
+  exe 'cd ' . cwd
+  call delete('Xfind', 'rf')
+  set path&
+endfunc
--- a/src/nvim/testdir/test_fixeol.vim
+++ b/src/nvim/testdir/test_fixeol.vim
@@ -0,0 +1,48 @@
+" Tests for 'fixeol' and 'eol'
+func Test_fixeol()
+  " first write two test files – with and without trailing EOL
+  " use Unix fileformat for consistency
+  set ff=unix
+  enew!
+  call setline('.', 'with eol')
+  w! XXEol
+  enew!
+  set noeol nofixeol
+  call setline('.', 'without eol')
+  w! XXNoEol
+  set eol fixeol
+  bwipe XXEol XXNoEol
+
+  " try editing files with 'fixeol' disabled
+  e! XXEol
+  normal ostays eol
+  set nofixeol
+  w! XXTestEol
+  e! XXNoEol
+  normal ostays without
+  set nofixeol
+  w! XXTestNoEol
+  bwipe! XXEol XXNoEol XXTestEol XXTestNoEol
+  set fixeol
+
+  " Append "END" to each file so that we can see what the last written char
+  " was.
+  normal ggdGaEND
+  w >>XXEol
+  w >>XXNoEol
+  w >>XXTestEol
+  w >>XXTestNoEol
+
+  call assert_equal(['with eol', 'END'], readfile('XXEol'))
+  call assert_equal(['without eolEND'], readfile('XXNoEol'))
+  call assert_equal(['with eol', 'stays eol', 'END'], readfile('XXTestEol'))
+  call assert_equal(['without eol', 'stays withoutEND'],
+	      \ readfile('XXTestNoEol'))
+
+  call delete('XXEol')
+  call delete('XXNoEol')
+  call delete('XXTestEol')
+  call delete('XXTestNoEol')
+  set ff& fixeol& eol&
+  enew!
+endfunc
--- a/src/nvim/testdir/test_fold.vim
+++ b/src/nvim/testdir/test_fold.vim
@@ -360,3 +360,24 @@ func! Test_move_folds_around_indent()
  call assert_equal([0, 1, 1, 1, 1, 0, 0, 0, 1, 1], map(range(1, line('$')), 'foldlevel(v:val)'))
  bw!
 endfunc
+
+" test for patch 7.3.637
+" Cannot catch the error caused by a foldopen when there is no fold.
+func Test_foldopen_exception()
+  enew!
+  let a = 'No error caught'
+  try
+    foldopen
+  catch
+    let a = matchstr(v:exception,'^[^ ]*')
+  endtry
+  call assert_equal('Vim(foldopen):E490:', a)
+
+  let a = 'No error caught'
+  try
+    foobar
+  catch
+    let a = matchstr(v:exception,'^[^ ]*')
+  endtry
+  call assert_match('E492:', a)
+endfunc
--- a/src/nvim/testdir/test_ins_complete.vim
+++ b/src/nvim/testdir/test_ins_complete.vim
@@ -2,6 +2,11 @@
 " Test for insert expansion
 func Test_ins_complete()
  edit test_ins_complete.vim
+  " The files in the current directory interferes with the files
+  " used by this test. So use a separate directory for the test.
+  call mkdir('Xdir')
+  cd Xdir
+
  set ff=unix
  call writefile(["test11\t36Gepeto\t/Tag/",
 	      \ "asd\ttest11file\t36G",
@@ -89,4 +94,6 @@ func Test_ins_complete()
  call delete('Xtest11.two')
  call delete('Xtestdata')
  set cpt& cot& def& tags& tagbsearch& hidden&
+  cd ..
+  call delete('Xdir', 'rf')
 endfunc
--- a/src/nvim/testdir/test_listchars.vim
+++ b/src/nvim/testdir/test_listchars.vim
@@ -0,0 +1,63 @@
+" Tests for 'listchars' display with 'list' and :list
+
+source view_util.vim
+
+func Test_listchars()
+  enew!
+  set ff=unix
+  set list
+
+  set listchars+=tab:>-,space:.,trail:<
+  call append(0, [
+	      \ '	aa	',
+	      \ '  bb	  ',
+	      \ '   cccc	 ',
+	      \ 'dd        ee  	',
+	      \ ' '
+	      \ ])
+  let expected = [
+	      \ '>-------aa>-----$',
+	      \ '..bb>---<<$',
+	      \ '...cccc><$',
+	      \ 'dd........ee<<>-$',
+	      \ '<$'
+	      \ ]
+  redraw!
+  for i in range(1, 5)
+    call cursor(i, 1)
+    call assert_equal([expected[i - 1]], ScreenLines(i, virtcol('$')))
+  endfor
+
+  set listchars-=trail:<
+  let expected = [
+	      \ '>-------aa>-----$',
+	      \ '..bb>---..$',
+	      \ '...cccc>.$',
+	      \ 'dd........ee..>-$',
+	      \ '.$'
+	      \ ]
+  redraw!
+  for i in range(1, 5)
+    call cursor(i, 1)
+    call assert_equal([expected[i - 1]], ScreenLines(i, virtcol('$')))
+  endfor
+
+  set listchars+=trail:<
+  set nolist
+  normal ggdG
+  call append(0, [
+	      \ '  fff	  ',
+	      \ '	gg	',
+	      \ '     h	',
+	      \ 'iii    	  ',
+	      \ ])
+  let l = split(execute("%list"), "\n")
+  call assert_equal([
+	      \ '..fff>--<<$',
+	      \ '>-------gg>-----$',
+	      \ '.....h>-$',
+	      \ 'iii<<<<><<$', '$'], l)
+
+  enew!
+  set listchars& ff&
+endfunc
--- a/src/nvim/testdir/test_listdict.vim
+++ b/src/nvim/testdir/test_listdict.vim
@@ -0,0 +1,603 @@
+" Tests for the List and Dict types
+
+func TearDown()
+  " Run garbage collection after every test
+  call test_garbagecollect_now()
+endfunc
+
+" Tests for List type
+
+" List creation
+func Test_list_create()
+  " Creating List directly with different types
+  let l = [1, 'as''d', [1, 2, function("strlen")], {'a': 1},]
+  call assert_equal("[1, 'as''d', [1, 2, function('strlen')], {'a': 1}]", string(l))
+  call assert_equal({'a' : 1}, l[-1])
+  call assert_equal(1, l[-4])
+  let x = 10
+  try
+    let x = l[-5]
+  catch
+    call assert_match('E684:', v:exception)
+  endtry
+  call assert_equal(10, x)
+endfunc
+
+" List slices
+func Test_list_slice()
+  let l = [1, 'as''d', [1, 2, function("strlen")], {'a': 1},]
+  call assert_equal([1, 'as''d', [1, 2, function('strlen')], {'a': 1}], l[:])
+  call assert_equal(['as''d', [1, 2, function('strlen')], {'a': 1}], l[1:])
+  call assert_equal([1, 'as''d', [1, 2, function('strlen')]], l[:-2])
+  call assert_equal([1, 'as''d', [1, 2, function('strlen')], {'a': 1}], l[0:8])
+  call assert_equal([], l[8:-1])
+endfunc
+
+" List identity
+func Test_list_identity()
+  let l = [1, 'as''d', [1, 2, function("strlen")], {'a': 1},]
+  let ll = l
+  let lx = copy(l)
+  call assert_true(l == ll)
+  call assert_false(l isnot ll)
+  call assert_true(l is ll)
+  call assert_true(l == lx)
+  call assert_false(l is lx)
+  call assert_true(l isnot lx)
+endfunc
+
+" removing items with :unlet
+func Test_list_unlet()
+  let l = [1, 'as''d', [1, 2, function("strlen")], {'a': 1},]
+  unlet l[2]
+  call assert_equal([1, 'as''d', {'a': 1}], l)
+  let l = range(8)
+  unlet l[:3]
+  unlet l[1:]
+  call assert_equal([4], l)
+
+  " removing items out of range: silently skip items that don't exist
+  let l = [0, 1, 2, 3]
+  call assert_fails('unlet l[2:1]', 'E684')
+  let l = [0, 1, 2, 3]
+  unlet l[2:2]
+  call assert_equal([0, 1, 3], l)
+  let l = [0, 1, 2, 3]
+  unlet l[2:3]
+  call assert_equal([0, 1], l)
+  let l = [0, 1, 2, 3]
+  unlet l[2:4]
+  call assert_equal([0, 1], l)
+  let l = [0, 1, 2, 3]
+  unlet l[2:5]
+  call assert_equal([0, 1], l)
+  let l = [0, 1, 2, 3]
+  call assert_fails('unlet l[-1:2]', 'E684')
+  let l = [0, 1, 2, 3]
+  unlet l[-2:2]
+  call assert_equal([0, 1, 3], l)
+  let l = [0, 1, 2, 3]
+  unlet l[-3:2]
+  call assert_equal([0, 3], l)
+  let l = [0, 1, 2, 3]
+  unlet l[-4:2]
+  call assert_equal([3], l)
+  let l = [0, 1, 2, 3]
+  unlet l[-5:2]
+  call assert_equal([3], l)
+  let l = [0, 1, 2, 3]
+  unlet l[-6:2]
+  call assert_equal([3], l)
+endfunc
+
+" assignment to a list
+func Test_list_assign()
+  let l = [0, 1, 2, 3]
+  let [va, vb] = l[2:3]
+  call assert_equal([2, 3], [va, vb])
+  call assert_fails('let [va, vb] = l', 'E687')
+  call assert_fails('let [va, vb] = l[1:1]', 'E688')
+endfunc
+
+" test for range assign
+func Test_list_range_assign()
+  let l = [0]
+  let l[:] = [1, 2]
+  call assert_equal([1, 2], l)
+endfunc
+
+" Tests for Dictionary type
+
+func Test_dict()
+  " Creating Dictionary directly with different types
+  let d = {001: 'asd', 'b': [1, 2, function('strlen')], -1: {'a': 1},}
+  call assert_equal("{'1': 'asd', 'b': [1, 2, function('strlen')], '-1': {'a': 1}}", string(d))
+  call assert_equal('asd', d.1)
+  call assert_equal(['-1', '1', 'b'], sort(keys(d)))
+  call assert_equal(['asd', [1, 2, function('strlen')], {'a': 1}], values(d))
+  let v = []
+  for [key, val] in items(d)
+    call extend(v, [key, val])
+    unlet key val
+  endfor
+  call assert_equal(['1','asd','b',[1, 2, function('strlen')],'-1',{'a': 1}], v)
+
+  call extend(d, {3:33, 1:99})
+  call extend(d, {'b':'bbb', 'c':'ccc'}, "keep")
+  call assert_fails("call extend(d, {3:333,4:444}, 'error')", 'E737')
+  call assert_equal({'c': 'ccc', '1': 99, 'b': [1, 2, function('strlen')], '3': 33, '-1': {'a': 1}}, d)
+  call filter(d, 'v:key =~ ''[ac391]''')
+  call assert_equal({'c': 'ccc', '1': 99, '3': 33, '-1': {'a': 1}}, d)
+endfunc
+
+" Dictionary identity
+func Test_dict_identity()
+  let d = {001: 'asd', 'b': [1, 2, function('strlen')], -1: {'a': 1},}
+  let dd = d
+  let dx = copy(d)
+  call assert_true(d == dd)
+  call assert_false(d isnot dd)
+  call assert_true(d is dd)
+  call assert_true(d == dx)
+  call assert_false(d is dx)
+  call assert_true(d isnot dx)
+endfunc
+
+" removing items with :unlet
+func Test_dict_unlet()
+  let d = {'b':'bbb', '1': 99, '3': 33, '-1': {'a': 1}}
+  unlet d.b
+  unlet d[-1]
+  call assert_equal({'1': 99, '3': 33}, d)
+endfunc
+
+" manipulating a big Dictionary (hashtable.c has a border of 1000 entries)
+func Test_dict_big()
+  let d = {}
+  for i in range(1500)
+    let d[i] = 3000 - i
+  endfor
+  call assert_equal([3000, 2900, 2001, 1600, 1501], [d[0], d[100], d[999], d[1400], d[1499]])
+  let str = ''
+  try
+    let n = d[1500]
+  catch
+    let str=substitute(v:exception, '\v(.{14}).*( \d{4}).*', '\1\2', '')
+  endtry
+  call assert_equal('Vim(let):E716: 1500', str)
+
+  " lookup each items
+  for i in range(1500)
+    call assert_equal(3000 - i, d[i])
+  endfor
+  let i += 1
+
+  " delete even items
+  while i >= 2
+    let i -= 2
+    unlet d[i]
+  endwhile
+  call assert_equal('NONE', get(d, 1500 - 100, 'NONE'))
+  call assert_equal(2999, d[1])
+
+  " delete odd items, checking value, one intentionally wrong
+  let d[33] = 999
+  let i = 1
+  while i < 1500
+   if i != 33
+     call assert_equal(3000 - i, d[i])
+   else
+     call assert_equal(999, d[i])
+   endif
+   unlet d[i]
+   let i += 2
+  endwhile
+  call assert_equal({}, d)
+  unlet d
+endfunc
+
+" Dictionary function
+func Test_dict_func()
+  let d = {}
+  func d.func(a) dict
+    return a:a . len(self.data)
+  endfunc
+  let d.data = [1,2,3]
+  call assert_equal('len: 3', d.func('len: '))
+  let x = d.func('again: ')
+  call assert_equal('again: 3', x)
+  let Fn = d.func
+  call assert_equal('xxx3', Fn('xxx'))
+endfunc
+
+" Function in script-local List or Dict
+func Test_script_local_dict_func()
+  let g:dict = {}
+  function g:dict.func() dict
+    return 'g:dict.func' . self.foo[1] . self.foo[0]('asdf')
+  endfunc
+  let g:dict.foo = ['-', 2, 3]
+  call insert(g:dict.foo, function('strlen'))
+  call assert_equal('g:dict.func-4', g:dict.func())
+  unlet g:dict
+endfunc
+
+" Nasty: remove func from Dict that's being called (works)
+func Test_dict_func_remove_in_use()
+  let d = {1:1}
+  func d.func(a)
+    return "a:" . a:a
+  endfunc
+  let expected = 'a:' . string(get(d, 'func'))
+  call assert_equal(expected, d.func(string(remove(d, 'func'))))
+endfunc
+
+" Nasty: deepcopy() dict that refers to itself (fails when noref used)
+func Test_dict_deepcopy()
+  let d = {1:1, 2:2}
+  let l = [4, d, 6]
+  let d[3] = l
+  let dc = deepcopy(d)
+  call assert_fails('call deepcopy(d, 1)', 'E698')
+  let l2 = [0, l, l, 3]
+  let l[1] = l2
+  let l3 = deepcopy(l2)
+  call assert_true(l3[1] is l3[2])
+endfunc
+
+" Locked variables
+func Test_list_locked_var()
+  let expected = [
+	      \ [['0000-000', 'ppppppp'],
+	      \  ['0000-000', 'ppppppp'],
+	      \  ['0000-000', 'ppppppp']],
+	      \ [['1000-000', 'ppppppF'],
+	      \  ['0000-000', 'ppppppp'],
+	      \  ['0000-000', 'ppppppp']],
+	      \ [['1100-100', 'ppFppFF'],
+	      \  ['0000-000', 'ppppppp'],
+	      \  ['0000-000', 'ppppppp']],
+	      \ [['1110-110', 'pFFpFFF'],
+	      \  ['0010-010', 'pFppFpp'],
+	      \  ['0000-000', 'ppppppp']],
+	      \ [['1111-111', 'FFFFFFF'],
+	      \  ['0011-011', 'FFpFFpp'],
+	      \  ['0000-000', 'ppppppp']]
+	      \ ]
+  for depth in range(5)
+    for u in range(3)
+      unlet! l
+      let l = [0, [1, [2, 3]], {4: 5, 6: {7: 8}}]
+      exe "lockvar " . depth . " l"
+      if u == 1
+        exe "unlockvar l"
+      elseif u == 2
+        exe "unlockvar " . depth . " l"
+      endif
+      let ps = islocked("l").islocked("l[1]").islocked("l[1][1]").islocked("l[1][1][0]").'-'.islocked("l[2]").islocked("l[2]['6']").islocked("l[2]['6'][7]")
+      call assert_equal(expected[depth][u][0], ps)
+      let ps = ''
+      try
+        let l[1][1][0] = 99
+        let ps .= 'p'
+      catch
+        let ps .= 'F'
+      endtry
+      try
+        let l[1][1] = [99]
+        let ps .= 'p'
+      catch
+        let ps .= 'F'
+      endtry
+      try
+        let l[1] = [99]
+        let ps .= 'p'
+      catch
+        let ps .= 'F'
+      endtry
+      try
+        let l[2]['6'][7] = 99
+        let ps .= 'p'
+      catch
+        let ps .= 'F'
+      endtry
+      try
+        let l[2][6] = {99: 99}
+        let ps .= 'p'
+      catch
+        let ps .= 'F'
+      endtry
+      try
+        let l[2] = {99: 99}
+        let ps .= 'p'
+      catch
+        let ps .= 'F'
+      endtry
+      try
+        let l = [99]
+        let ps .= 'p'
+      catch
+        let ps .= 'F'
+      endtry
+      call assert_equal(expected[depth][u][1], ps)
+    endfor
+  endfor
+endfunc
+
+" Unletting locked variables
+func Test_list_locked_var_unlet()
+  let expected = [
+	      \ [['0000-000', 'ppppppp'],
+	      \  ['0000-000', 'ppppppp'],
+	      \  ['0000-000', 'ppppppp']],
+	      \ [['1000-000', 'ppFppFp'],
+	      \  ['0000-000', 'ppppppp'],
+	      \  ['0000-000', 'ppppppp']],
+	      \ [['1100-100', 'pFFpFFp'],
+	      \  ['0000-000', 'ppppppp'],
+	      \  ['0000-000', 'ppppppp']],
+	      \ [['1110-110', 'FFFFFFp'],
+	      \  ['0010-010', 'FppFppp'],
+	      \  ['0000-000', 'ppppppp']],
+	      \ [['1111-111', 'FFFFFFp'],
+	      \  ['0011-011', 'FppFppp'],
+	      \  ['0000-000', 'ppppppp']]
+	      \ ]
+
+  for depth in range(5)
+    for u in range(3)
+      unlet! l
+      let l = [0, [1, [2, 3]], {4: 5, 6: {7: 8}}]
+      exe "lockvar " . depth . " l"
+      if u == 1
+        exe "unlockvar l"
+      elseif u == 2
+        exe "unlockvar " . depth . " l"
+      endif
+      let ps = islocked("l").islocked("l[1]").islocked("l[1][1]").islocked("l[1][1][0]").'-'.islocked("l[2]").islocked("l[2]['6']").islocked("l[2]['6'][7]")
+      call assert_equal(expected[depth][u][0], ps)
+      let ps = ''
+      try
+        unlet l[2]['6'][7]
+        let ps .= 'p'
+      catch
+        let ps .= 'F'
+      endtry
+      try
+        unlet l[2][6]
+        let ps .= 'p'
+      catch
+        let ps .= 'F'
+      endtry
+      try
+        unlet l[2]
+        let ps .= 'p'
+      catch
+        let ps .= 'F'
+      endtry
+      try
+        unlet l[1][1][0]
+        let ps .= 'p'
+      catch
+        let ps .= 'F'
+      endtry
+      try
+        unlet l[1][1]
+        let ps .= 'p'
+      catch
+        let ps .= 'F'
+      endtry
+      try
+        unlet l[1]
+        let ps .= 'p'
+      catch
+        let ps .= 'F'
+      endtry
+      try
+        unlet l
+        let ps .= 'p'
+      catch
+        let ps .= 'F'
+      endtry
+      call assert_equal(expected[depth][u][1], ps)
+    endfor
+  endfor
+endfunc
+
+" Locked variables and :unlet or list / dict functions
+
+" No :unlet after lock on dict:
+func Test_dict_lock_unlet()
+  unlet! d
+  let d = {'a': 99, 'b': 100}
+  lockvar 1 d
+  call assert_fails('unlet d.a', 'E741')
+endfunc
+
+" unlet after lock on dict item
+func Test_dict_item_lock_unlet()
+  unlet! d
+  let d = {'a': 99, 'b': 100}
+  lockvar d.a
+  unlet d.a
+  call assert_equal({'b' : 100}, d)
+endfunc
+
+" filter() after lock on dict item
+func Test_dict_lock_filter()
+  unlet! d
+  let d = {'a': 99, 'b': 100}
+  lockvar d.a
+  call filter(d, 'v:key != "a"')
+  call assert_equal({'b' : 100}, d)
+endfunc
+
+" map() after lock on dict
+func Test_dict_lock_map()
+  unlet! d
+  let d = {'a': 99, 'b': 100}
+  lockvar 1 d
+  call map(d, 'v:val + 200')
+  call assert_equal({'a' : 299, 'b' : 300}, d)
+endfunc
+
+" No extend() after lock on dict item
+func Test_dict_lock_extend()
+  unlet! d
+  let d = {'a': 99, 'b': 100}
+  lockvar d.a
+  call assert_fails("call extend(d, {'a' : 123})", 'E741')
+  call assert_equal({'a': 99, 'b': 100}, d)
+endfunc
+
+" No remove() of write-protected scope-level variable
+func! Tfunc(this_is_a_long_parameter_name)
+  call assert_fails("call remove(a:, 'this_is_a_long_parameter_name')", 'E795')
+endfun
+func Test_dict_scope_var_remove()
+  call Tfunc('testval')
+endfunc
+
+" No extend() of write-protected scope-level variable
+func! Tfunc(this_is_a_long_parameter_name)
+  call assert_fails("call extend(a:, {'this_is_a_long_parameter_name': 1234})", 'E742')
+endfunc
+func Test_dict_scope_var_extend()
+  call Tfunc('testval')
+endfunc
+
+" No :unlet of variable in locked scope
+func Test_lock_var_unlet()
+  let b:testvar = 123
+  lockvar 1 b:
+  call assert_fails('unlet b:testvar', 'E741:')
+  unlockvar 1 b:
+  unlet! b:testvar
+endfunc
+
+" No :let += of locked list variable
+func Test_let_lock_list()
+  let l = ['a', 'b', 3]
+  lockvar 1 l
+  call assert_fails("let l += ['x']", 'E741:')
+  call assert_equal(['a', 'b', 3], l)
+
+  unlet l
+  let l = [1, 2, 3, 4]
+  lockvar! l
+  call assert_equal([1, 2, 3, 4], l)
+  unlockvar l[1]
+  call assert_fails('unlet l[0:1]', 'E741:')
+  call assert_equal([1, 2, 3, 4], l)
+  call assert_fails('unlet l[1:2]', 'E741:')
+  call assert_equal([1, 2, 3, 4], l)
+  unlockvar l[1]
+  call assert_fails('let l[0:1] = [0, 1]', 'E741:')
+  call assert_equal([1, 2, 3, 4], l)
+  call assert_fails('let l[1:2] = [0, 1]', 'E741:')
+  call assert_equal([1, 2, 3, 4], l)
+  unlet l
+endfunc
+
+" lockvar/islocked() triggering script autoloading
+func Test_lockvar_script_autoload()
+  let old_rtp = &rtp
+  set rtp+=./sautest
+  lockvar g:footest#x
+  unlockvar g:footest#x
+  call assert_equal(-1, islocked('g:footest#x'))
+  call assert_equal(0, exists('g:footest#x'))
+  call assert_equal(1, g:footest#x)
+  let &rtp = old_rtp
+endfunc
+
+" a:000 function argument test
+func s:arg_list_test(...)
+  call assert_fails('let a:000 = [1, 2]', 'E46:')
+  call assert_fails('let a:000[0] = 9', 'E742:')
+  call assert_fails('let a:000[2] = [9, 10]', 'E742:')
+  call assert_fails('let a:000[3] = {9 : 10}', 'E742:')
+
+  " now the tests that should pass
+  let a:000[2][1] = 9
+  call extend(a:000[2], [5, 6])
+  let a:000[3][5] = 8
+  let a:000[3]['a'] = 12
+  call assert_equal([1, 2, [3, 9, 5, 6], {'a': 12, '5': 8}], a:000)
+endfunc
+
+func Test_func_arg_list()
+  call s:arg_list_test(1, 2, [3, 4], {5: 6})
+endfunc
+
+" Tests for reverse(), sort(), uniq()
+func Test_reverse_sort_uniq()
+  let l = ['-0', 'A11', 2, 2, 'xaaa', 4, 'foo', 'foo6', 'foo', [0, 1, 2], 'x8', [0, 1, 2], 1.5]
+  call assert_equal(['-0', 'A11', 2, 'xaaa', 4, 'foo', 'foo6', 'foo', [0, 1, 2], 'x8', [0, 1, 2], 1.5], uniq(copy(l)))
+  call assert_equal([1.5, [0, 1, 2], 'x8', [0, 1, 2], 'foo', 'foo6', 'foo', 4, 'xaaa', 2, 2, 'A11', '-0'], reverse(l))
+  call assert_equal([1.5, [0, 1, 2], 'x8', [0, 1, 2], 'foo', 'foo6', 'foo', 4, 'xaaa', 2, 2, 'A11', '-0'], reverse(reverse(l)))
+  call assert_equal(['-0', 'A11', 'foo', 'foo', 'foo6', 'x8', 'xaaa', 1.5, 2, 2, 4, [0, 1, 2], [0, 1, 2]], sort(l))
+  call assert_equal([[0, 1, 2], [0, 1, 2], 4, 2, 2, 1.5, 'xaaa', 'x8', 'foo6', 'foo', 'foo', 'A11', '-0'], reverse(sort(l)))
+  call assert_equal(['-0', 'A11', 'foo', 'foo', 'foo6', 'x8', 'xaaa', 1.5, 2, 2, 4, [0, 1, 2], [0, 1, 2]], sort(reverse(sort(l))))
+  call assert_equal(['-0', 'A11', 'foo', 'foo6', 'x8', 'xaaa', 1.5, 2, 4, [0, 1, 2]], uniq(sort(l)))
+
+  let l=[7, 9, 'one', 18, 12, 22, 'two', 10.0e-16, -1, 'three', 0xff, 0.22, 'four']
+  call assert_equal([-1, 'one', 'two', 'three', 'four', 1.0e-15, 0.22, 7, 9, 12, 18, 22, 255], sort(copy(l), 'n'))
+
+  let l=[7, 9, 18, 12, 22, 10.0e-16, -1, 0xff, 0, -0, 0.22, 'bar', 'BAR', 'Bar', 'Foo', 'FOO', 'foo', 'FOOBAR', {}, []]
+  call assert_equal(['bar', 'BAR', 'Bar', 'Foo', 'FOO', 'foo', 'FOOBAR', -1, 0, 0, 0.22, 1.0e-15, 12, 18, 22, 255, 7, 9, [], {}], sort(copy(l), 1))
+  call assert_equal(['bar', 'BAR', 'Bar', 'Foo', 'FOO', 'foo', 'FOOBAR', -1, 0, 0, 0.22, 1.0e-15, 12, 18, 22, 255, 7, 9, [], {}], sort(copy(l), 'i'))
+  call assert_equal(['BAR', 'Bar', 'FOO', 'FOOBAR', 'Foo', 'bar', 'foo', -1, 0, 0, 0.22, 1.0e-15, 12, 18, 22, 255, 7, 9, [], {}], sort(copy(l)))
+endfunc
+
+" splitting a string to a List
+func Test_str_split()
+  call assert_equal(['aa', 'bb'], split('  aa  bb '))
+  call assert_equal(['aa', 'bb'], split('  aa  bb  ', '\W\+', 0))
+  call assert_equal(['', 'aa', 'bb', ''], split('  aa  bb  ', '\W\+', 1))
+  call assert_equal(['', '', 'aa', '', 'bb', '', ''], split('  aa  bb  ', '\W', 1))
+  call assert_equal(['aa', '', 'bb'], split(':aa::bb:', ':', 0))
+  call assert_equal(['', 'aa', '', 'bb', ''], split(':aa::bb:', ':', 1))
+  call assert_equal(['aa', '', 'bb', 'cc', ''], split('aa,,bb, cc,', ',\s*', 1))
+  call assert_equal(['a', 'b', 'c'], split('abc', '\zs'))
+  call assert_equal(['', 'a', '', 'b', '', 'c', ''], split('abc', '\zs', 1))
+endfunc
+
+" compare recursively linked list and dict
+func Test_listdict_compare()
+  let l = [1, 2, 3, 4]
+  let d = {'1': 1, '2': l, '3': 3}
+  let l[1] = d
+  call assert_true(l == l)
+  call assert_true(d == d)
+  call assert_false(l != deepcopy(l))
+  call assert_false(d != deepcopy(d))
+endfunc
+
+  " compare complex recursively linked list and dict
+func Test_listdict_compare_complex()
+  let l = []
+  call add(l, l)
+  let dict4 = {"l": l}
+  call add(dict4.l, dict4)
+  let lcopy = deepcopy(l)
+  let dict4copy = deepcopy(dict4)
+  call assert_true(l == lcopy)
+  call assert_true(dict4 == dict4copy)
+endfunc
+
+func Test_listdict_extend()
+  " Pass the same List to extend()
+  let l = [1, 2, 3, 4, 5]
+  call extend(l, l)
+  call assert_equal([1, 2, 3, 4, 5, 1, 2, 3, 4, 5], l)
+
+  " Pass the same Dict to extend()
+  let d = { 'a': {'b': 'B'}}
+  call extend(d, d)
+  call assert_equal({'a': {'b': 'B'}}, d)
+
+  " Pass the same Dict to extend() with "error"
+  call assert_fails("call extend(d, d, 'error')", 'E737:')
+  call assert_equal({'a': {'b': 'B'}}, d)
+endfunc
--- a/src/nvim/testdir/test_listlbr.vim
+++ b/src/nvim/testdir/test_listlbr.vim
@@ -1,5 +1,8 @@
 " Test for linebreak and list option (non-utf8)

+" Nvim does not allow setting 'encoding', so skip this test.
+finish
+
 set encoding=latin1
 scriptencoding latin1

--- a/src/nvim/testdir/test_mksession_utf8.vim
+++ b/src/nvim/testdir/test_mksession_utf8.vim
@@ -99,6 +99,7 @@ func Test_mksession_utf8()
  call delete('test_mks.out')
  call delete(tmpfile)
  let &wrap = wrap_save
+  set sessionoptions& splitbelow& fileencoding&
 endfunc

 " vim: shiftwidth=2 sts=2 expandtab
--- a/src/nvim/testdir/test_normal.vim
+++ b/src/nvim/testdir/test_normal.vim
@@ -2337,3 +2337,45 @@ func! Test_normal54_Ctrl_bsl()
 	" clean up
 	bw!
 endfunc
+
+" Test for the gr (virtual replace) command
+" Test for the bug fixed by 7.4.387
+func Test_gr_command()
+  enew!
+  let save_cpo = &cpo
+  call append(0, ['First line', 'Second line', 'Third line'])
+  exe "normal i\<C-G>u"
+  call cursor(2, 1)
+  set cpo-=X
+  normal 4gro
+  call assert_equal('oooond line', getline(2))
+  undo
+  set cpo+=X
+  normal 4gro
+  call assert_equal('ooooecond line', getline(2))
+  let &cpo = save_cpo
+  enew!
+endfunc
+
+" When splitting a window the changelist position is wrong.
+" Test the changelist position after splitting a window.
+" Test for the bug fixed by 7.4.386
+func Test_changelist()
+  let save_ul = &ul
+  enew!
+  call append('$', ['1', '2'])
+  exe "normal i\<C-G>u"
+  exe "normal Gkylpa\<C-G>u"
+  set ul=100
+  exe "normal Gylpa\<C-G>u"
+  set ul=100
+  normal gg
+  vsplit
+  normal g;
+  call assert_equal([3, 2], [line('.'), col('.')])
+  normal g;
+  call assert_equal([2, 2], [line('.'), col('.')])
+  call assert_fails('normal g;', 'E662:')
+  %bwipe!
+  let &ul = save_ul
+endfunc
--- a/src/nvim/testdir/test_popup.vim
+++ b/src/nvim/testdir/test_popup.vim
@@ -590,7 +590,8 @@ func Test_popup_and_preview_autocommand()
  call setline(2, '                                 os.')
  $
  call feedkeys("A\<C-X>\<C-O>\<C-N>\<C-N>\<C-N>\<enter>\<esc>", 'tx')
-  call assert_equal(["import os", "                                 os.EX_IOERR", ''], getline(1,'$'))
+  call assert_equal("import os", getline(1))
+  call assert_match('                                 os.\(EX_IOERR\|O_CREAT\)$', getline(2))
  call assert_equal(1, winnr('$'))
  " previewwindow option is not set
  call assert_equal(0, &previewwindow)
--- a/src/nvim/testdir/test_regexp_latin.vim
+++ b/src/nvim/testdir/test_regexp_latin.vim
@@ -0,0 +1,32 @@
+" Tests for regexp in latin1 encoding
+set encoding=latin1
+scriptencoding latin1
+
+func s:equivalence_test()
+  let str = "A<><41><EFBFBD><EFBFBD><EFBFBD><EFBFBD> B C D E<><45><EFBFBD><EFBFBD> F G H I<><49><EFBFBD><EFBFBD> J K L M N<> O<><4F><EFBFBD><EFBFBD><EFBFBD><EFBFBD> P Q R S T U<><55><EFBFBD><EFBFBD> V W X Y<> Z a<><61><EFBFBD><EFBFBD><EFBFBD><EFBFBD> b c d e<><65><EFBFBD><EFBFBD> f g h i<><69><EFBFBD><EFBFBD> j k l m n<> o<><6F><EFBFBD><EFBFBD><EFBFBD><EFBFBD> p q r s t u<><75><EFBFBD><EFBFBD> v w x y<><79> z"
+  let groups = split(str)
+  for group1 in groups
+      for c in split(group1, '\zs')
+	" next statement confirms that equivalence class matches every
+	" character in group
+        call assert_match('^[[=' . c . '=]]*$', group1)
+        for group2 in groups
+          if group2 != group1
+	    " next statement converts that equivalence class doesn't match
+	    " a character in any other group
+            call assert_equal(-1, match(group2, '[[=' . c . '=]]'))
+          endif
+        endfor
+      endfor
+  endfor
+endfunc
+
+func Test_equivalence_re1()
+  set re=1
+  call s:equivalence_test()
+endfunc
+
+func Test_equivalence_re2()
+  set re=2
+  call s:equivalence_test()
+endfunc
--- a/src/nvim/testdir/test_search.vim
+++ b/src/nvim/testdir/test_search.vim
@@ -438,3 +438,18 @@ func Test_search_regexp()
  set undolevels&
  enew!
 endfunc
+
+" Test for search('multi-byte char', 'bce')
+func Test_search_multibyte()
+  if !has('multi_byte')
+    return
+  endif
+  let save_enc = &encoding
+  set encoding=utf8
+  enew!
+  call append('$', 'Ａ')
+  call cursor(2, 1)
+  call assert_equal(2, search('Ａ', 'bce', line('.')))
+  enew!
+  let &encoding = save_enc
+endfunc
--- a/src/nvim/testdir/test_sha256.vim
+++ b/src/nvim/testdir/test_sha256.vim
@@ -0,0 +1,22 @@
+" Tests for the sha256() function.
+
+if !has('cryptv') || !exists('*sha256')
+  finish
+endif
+
+function Test_sha256()
+  " test for empty string:
+  call assert_equal(sha256(""), 'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855')
+
+  "'test for 1 char:
+  call assert_equal(sha256("a"), 'ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb')
+  "
+  "test for 3 chars:
+  call assert_equal(sha256("abc"), 'ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad')
+
+  " test for contains meta char:
+  call assert_equal(sha256("foo\nbar"), '807eff6267f3f926a21d234f7b0cf867a86f47e07a532f15e8cc39ed110ca776')
+
+  " test for contains non-ascii char:
+  call assert_equal(sha256("\xde\xad\xbe\xef"), '5f78c33274e43fa9de5659265c1d917e25c03722dcb0b8d27db8d5feaa813953')
+endfunction
--- a/src/nvim/testdir/test_textformat.vim
+++ b/src/nvim/testdir/test_textformat.vim
@@ -0,0 +1,168 @@
+" Tests for the various 'formatoptions' settings
+func Test_text_format()
+  enew!
+
+  setl noai tw=2 fo=t
+  call append('$', [
+	      \ '{',
+	      \ '    ',
+	      \ '',
+	      \ '}'])
+  exe "normal /^{/+1\n0"
+  normal gRa b
+  let lnum = line('.')
+  call assert_equal([
+	      \ 'a',
+	      \ 'b'], getline(lnum - 1, lnum))
+
+  normal ggdG
+  setl ai tw=2 fo=tw
+  call append('$', [
+	      \ '{',
+	      \ 'a  b  ',
+	      \ '',
+	      \ 'a    ',
+	      \ '}'])
+  exe "normal /^{/+1\n0"
+  normal gqgqjjllab
+  let lnum = line('.')
+  call assert_equal([
+	      \ 'a  ',
+	      \ 'b  ',
+	      \ '',
+	      \ 'a  ',
+	      \ 'b'], getline(lnum - 4, lnum))
+
+  normal ggdG
+  setl tw=3 fo=t
+  call append('$', [
+	      \ '{',
+	      \ "a \<C-A>",
+	      \ '}'])
+  exe "normal /^{/+1\n0"
+  exe "normal gqgqo\na \<C-V>\<C-A>"
+  let lnum = line('.')
+  call assert_equal([
+	      \ 'a',
+	      \ "\<C-A>",
+	      \ '',
+	      \ 'a',
+	      \ "\<C-A>"], getline(lnum - 4, lnum))
+
+  normal ggdG
+  setl tw=2 fo=tcq1 comments=:#
+  call append('$', [
+	      \ '{',
+	      \ 'a b',
+	      \ '#a b',
+	      \ '}'])
+  exe "normal /^{/+1\n0"
+  exe "normal gqgqjgqgqo\na b\n#a b"
+  let lnum = line('.')
+  call assert_equal([
+	      \ 'a b',
+	      \ '#a b',
+	      \ '',
+	      \ 'a b',
+	      \ '#a b'], getline(lnum - 4, lnum))
+
+  normal ggdG
+  setl tw=5 fo=tcn comments=:#
+  call append('$', [
+	      \ '{',
+	      \ '  1 a',
+	      \ '# 1 a',
+	      \ '}'])
+  exe "normal /^{/+1\n0"
+  exe "normal A b\<Esc>jA b"
+  let lnum = line('.')
+  call assert_equal([
+	      \ '  1 a',
+	      \ '    b',
+	      \ '# 1 a',
+	      \ '#   b'], getline(lnum - 3, lnum))
+
+  normal ggdG
+  setl tw=5 fo=t2a si
+  call append('$', [
+	      \ '{',
+	      \ '',
+	      \ '  x a',
+	      \ '  b',
+	      \ ' c',
+	      \ '',
+	      \ '}'])
+  exe "normal /^{/+3\n0"
+  exe "normal i  \<Esc>A_"
+  let lnum = line('.')
+  call assert_equal([
+	      \ '',
+	      \ '  x a',
+	      \ '    b_',
+	      \ '    c',
+	      \ ''], getline(lnum - 2, lnum + 2))
+
+  normal ggdG
+  setl tw=5 fo=qn comments=:#
+  call append('$', [
+	      \ '{',
+	      \ '# 1 a b',
+	      \ '}'])
+  exe "normal /^{/+1\n5|"
+  normal gwap
+  call assert_equal(5, col('.'))
+  let lnum = line('.')
+  call assert_equal([
+	      \ '# 1 a',
+	      \ '#   b'], getline(lnum, lnum + 1))
+
+  normal ggdG
+  setl tw=5 fo=q2 comments=:#
+  call append('$', [
+	      \ '{',
+	      \ '# x',
+	      \ '#   a b',
+	      \ '}'])
+  exe "normal /^{/+1\n0"
+  normal gwap
+  let lnum = line('.')
+  call assert_equal([
+	      \ '# x a',
+	      \ '#   b'], getline(lnum, lnum + 1))
+
+  normal ggdG
+  setl tw& fo=a
+  call append('$', [
+	      \ '{',
+	      \ '   1aa',
+	      \ '   2bb',
+	      \ '}'])
+  exe "normal /^{/+2\n0"
+  normal I^^
+  call assert_equal('{ 1aa ^^2bb }', getline('.'))
+
+  normal ggdG
+  setl tw=20 fo=an12wcq comments=s1:/*,mb:*,ex:*/
+  call append('$', [
+	      \ '/* abc def ghi jkl ',
+	      \ ' *    mno pqr stu',
+	      \ ' */'])
+  exe "normal /mno pqr/\n"
+  normal A vwx yz
+  let lnum = line('.')
+  call assert_equal([
+	      \ ' *    mno pqr stu ',
+	      \ ' *    vwx yz',
+	      \ ' */'], getline(lnum - 1, lnum + 1))
+
+  normal ggdG
+  setl tw=12 fo=tqnc comments=:#
+  call setline('.', '# 1 xxxxx')
+  normal A foobar
+  call assert_equal([
+	      \ '# 1 xxxxx',
+	      \ '#   foobar'], getline(1, 2))
+
+  setl ai& tw& fo& si& comments&
+  enew!
+endfunc
--- a/src/nvim/testdir/test_utf8_comparisons.vim
+++ b/src/nvim/testdir/test_utf8_comparisons.vim
@@ -0,0 +1,95 @@
+" Tests for case-insensitive UTF-8 comparisons (utf_strnicmp() in mbyte.c)
+" Also test "g~ap".
+
+if !has("multi_byte")
+  finish
+endif
+
+function! Ch(a, op, b, expected)
+  call assert_equal(eval(printf('"%s" %s "%s"', a:a, a:op, a:b)), a:expected,
+        \ printf('"%s" %s "%s" should return %d', a:a, a:op, a:b, a:expected))
+endfunction
+
+function! Chk(a, b, result)
+  if a:result == 0
+    call Ch(a:a, '==?', a:b, 1)
+    call Ch(a:a, '!=?', a:b, 0)
+    call Ch(a:a, '<=?', a:b, 1)
+    call Ch(a:a, '>=?', a:b, 1)
+    call Ch(a:a, '<?', a:b, 0)
+    call Ch(a:a, '>?', a:b, 0)
+  elseif a:result > 0
+    call Ch(a:a, '==?', a:b, 0)
+    call Ch(a:a, '!=?', a:b, 1)
+    call Ch(a:a, '<=?', a:b, 0)
+    call Ch(a:a, '>=?', a:b, 1)
+    call Ch(a:a, '<?', a:b, 0)
+    call Ch(a:a, '>?', a:b, 1)
+  else
+    call Ch(a:a, '==?', a:b, 0)
+    call Ch(a:a, '!=?', a:b, 1)
+    call Ch(a:a, '<=?', a:b, 1)
+    call Ch(a:a, '>=?', a:b, 0)
+    call Ch(a:a, '<?', a:b, 1)
+    call Ch(a:a, '>?', a:b, 0)
+  endif
+endfunction
+
+function! Check(a, b, result)
+  call Chk(a:a, a:b, a:result)
+  call Chk(a:b, a:a, -a:result)
+endfunction
+
+function! LT(a, b)
+  call Check(a:a, a:b, -1)
+endfunction
+
+function! GT(a, b)
+  call Check(a:a, a:b, 1)
+endfunction
+
+function! EQ(a, b)
+  call Check(a:a, a:b, 0)
+endfunction
+
+function Test_comparisons()
+  call EQ('', '')
+  call LT('', 'a')
+  call EQ('abc', 'abc')
+  call EQ('Abc', 'abC')
+  call LT('ab', 'abc')
+  call LT('AB', 'abc')
+  call LT('ab', 'aBc')
+  call EQ('\xd0\xb9\xd1\x86\xd1\x83\xd0\xba\xd0\xb5\xd0\xbd', '\xd0\xb9\xd0\xa6\xd0\xa3\xd0\xba\xd0\x95\xd0\xbd')
+  call LT('\xd0\xb9\xd1\x86\xd1\x83\xd0\xba\xd0\xb5\xd0\xbd', '\xd0\xaf\xd1\x86\xd1\x83\xd0\xba\xd0\xb5\xd0\xbd')
+  call EQ('\xe2\x84\xaa', 'k')
+  call LT('\xe2\x84\xaa', 'kkkkkk')
+  call EQ('\xe2\x84\xaa\xe2\x84\xaa\xe2\x84\xaa', 'kkk')
+  call LT('kk', '\xe2\x84\xaa\xe2\x84\xaa\xe2\x84\xaa')
+  call EQ('\xe2\x84\xaa\xe2\x84\xa6k\xe2\x84\xaak\xcf\x89', 'k\xcf\x89\xe2\x84\xaakk\xe2\x84\xa6')
+  call EQ('Abc\x80', 'AbC\x80')
+  call LT('Abc\x80', 'AbC\x81')
+  call LT('Abc', 'AbC\x80')
+  call LT('abc\x80DEF', 'abc\x80def')  " case folding stops at the first bad character
+  call LT('\xc3XYZ', '\xc3xyz')
+  call EQ('\xef\xbc\xba', '\xef\xbd\x9a')  " FF3A (upper), FF5A (lower)
+  call GT('\xef\xbc\xba', '\xef\xbc\xff')  " first string is ok and equals \xef\xbd\x9a after folding, second string is illegal and was left unchanged, then the strings were bytewise compared
+  call LT('\xc3', '\xc3\x83')
+  call EQ('\xc3\xa3xYz', '\xc3\x83XyZ')
+  for n in range(0x60, 0xFF)
+    call LT(printf('xYz\x%.2X', n-1), printf('XyZ\x%.2X', n))
+  endfor
+  for n in range(0x80, 0xBF)
+    call EQ(printf('xYz\xc2\x%.2XUvW', n), printf('XyZ\xc2\x%.2XuVw', n))
+  endfor
+  for n in range(0xC0, 0xFF)
+    call LT(printf('xYz\xc2\x%.2XUvW', n), printf('XyZ\xc2\x%.2XuVw', n))
+  endfor
+endfunction
+
+" test that g~ap changes one paragraph only.
+function Test_gap()
+  new
+  call feedkeys("iabcd\n\ndefggg0g~ap", "tx")
+  call assert_equal(["ABCD", "", "defg"], getline(1,3))
+endfunction
--- a/src/nvim/window.c
+++ b/src/nvim/window.c
@@ -2858,7 +2858,7 @@ close_others (
      if (bufIsChanged(wp->w_buffer))
        continue;
    }
-    win_close(wp, !P_HID(wp->w_buffer) && !bufIsChanged(wp->w_buffer));
+    win_close(wp, !buf_hide(wp->w_buffer) && !bufIsChanged(wp->w_buffer));
  }

  if (message && !ONE_WINDOW)