vim-patch:8.0.0861: still many old style tests

Problem:    Still many old style tests.
Solution:   Convert several tests to new style. (Yegappan Lakshmanan)
https://github.com/vim/vim/commit/4a137b45864310060410f34cb9c7d0f0231bb256

vim-patch:8.0.0862: file size test fails on MS-Windows
Problem:    File size test fails on MS-Windows.
Solution:   Set fileformat after opening new buffer.  Strip CR.
https://github.com/vim/vim/commit/07c043af5f054c7dfeb676414f8fa6aeda8f9c2b

6 files changed, 144 insertions, 0 deletions

diff --git a/src/nvim/testdir/Makefile b/src/nvim/testdir/Makefile
index b0356e050e..1b927076d8 100644
--- a/src/nvim/testdir/Makefile
+++ b/src/nvim/testdir/Makefile
@@ -47,10 +47,12 @@ NEW_TESTS ?= \
 	    test_cmdline.res \
 	    test_command_count.res \
 	    test_cscope.res \
+	    test_curswant.res \
 	    test_digraph.res \
 	    test_edit.res \
 	    test_diffmode.res \
 	    test_farsi.res \
+	    test_file_size.res \
 	    test_filter_map.res \
 	    test_findfile.res \
 	    test_fnameescape.res \
@@ -68,6 +70,8 @@ NEW_TESTS ?= \
 	    test_increment_dbcs.res \
 	    test_lambda.res \
 	    test_langmap.res \
+	    test_let.res \
+	    test_lineending.res \
 	    test_makeencoding.res \
 	    test_marks.res \
 	    test_match.res \
@@ -82,6 +86,7 @@ NEW_TESTS ?= \
 	    test_profile.res \
 	    test_quickfix.res \
 	    test_retab.res \
+	    test_scrollbind.res \
 	    test_search.res \
 	    test_signs.res \
 	    test_smartindent.res \
diff --git a/src/nvim/testdir/test_autocmd.vim b/src/nvim/testdir/test_autocmd.vim
index 82c04abf5b..a4ef5de1ba 100644
--- a/src/nvim/testdir/test_autocmd.vim
+++ b/src/nvim/testdir/test_autocmd.vim
@@ -442,3 +442,41 @@ func Test_Cmdline()
   au! CmdlineEnter
   au! CmdlineLeave
 endfunc
+
+" Test for Bufleave autocommand that deletes the buffer we are about to edit.
+func Test_BufleaveWithDelete()
+  new | edit Xfile1
+
+  augroup test_bufleavewithdelete
+      autocmd!
+      autocmd BufLeave Xfile1 bwipe Xfile2
+  augroup END
+
+  call assert_fails('edit Xfile2', 'E143:')
+  call assert_equal('Xfile1', bufname('%'))
+
+  autocmd! test_bufleavewithdelete BufLeave Xfile1
+  augroup! test_bufleavewithdelete
+
+  new
+  bwipe! Xfile1
+endfunc
+
+" Test for Bufleave autocommand that deletes the buffer we are about to edit.
+func Test_BufleaveWithDelete()
+  new | edit Xfile1
+
+  augroup test_bufleavewithdelete
+      autocmd!
+      autocmd BufLeave Xfile1 bwipe Xfile2
+  augroup END
+
+  call assert_fails('edit Xfile2', 'E143:')
+  call assert_equal('Xfile1', bufname('%'))
+
+  autocmd! test_bufleavewithdelete BufLeave Xfile1
+  augroup! test_bufleavewithdelete
+
+  new
+  bwipe! Xfile1
+endfunc
diff --git a/src/nvim/testdir/test_curswant.vim b/src/nvim/testdir/test_curswant.vim
new file mode 100644
index 0000000000..e54cd4b280
--- /dev/null
+++ b/src/nvim/testdir/test_curswant.vim
@@ -0,0 +1,23 @@
+" Tests for curswant not changing when setting an option
+
+func Test_curswant()
+  new
+  call append(0, ['1234567890', '12345'])
+
+  normal! ggf8j
+  call assert_equal(7, winsaveview().curswant)
+  let &tabstop=&tabstop
+  call assert_equal(4, winsaveview().curswant)
+
+  normal! ggf8j
+  call assert_equal(7, winsaveview().curswant)
+  let &timeoutlen=&timeoutlen
+  call assert_equal(7, winsaveview().curswant)
+
+  normal! ggf8j
+  call assert_equal(7, winsaveview().curswant)
+  let &ttimeoutlen=&ttimeoutlen
+  call assert_equal(7, winsaveview().curswant)
+
+  enew!
+endfunc
diff --git a/src/nvim/testdir/test_let.vim b/src/nvim/testdir/test_let.vim
new file mode 100644
index 0000000000..24c6ef5e01
--- /dev/null
+++ b/src/nvim/testdir/test_let.vim
@@ -0,0 +1,27 @@
+" Tests for the :let command.
+
+func Test_let()
+  " Test to not autoload when assigning.  It causes internal error.
+  set runtimepath+=./sautest
+  let Test104#numvar = function('tr')
+  call assert_equal("function('tr')", string(Test104#numvar))
+
+  let a = 1
+  let b = 2
+
+  let out = execute('let a b')
+  let s = "\na                     #1\nb                     #2"
+  call assert_equal(s, out)
+
+  let out = execute('let {0 == 1 ? "a" : "b"}')
+  let s = "\nb                     #2"
+  call assert_equal(s, out)
+
+  let out = execute('let {0 == 1 ? "a" : "b"} a')
+  let s = "\nb                     #2\na                     #1"
+  call assert_equal(s, out)
+
+  let out = execute('let a {0 == 1 ? "a" : "b"}')
+  let s = "\na                     #1\nb                     #2"
+  call assert_equal(s, out)
+endfunc
diff --git a/src/nvim/testdir/test_lineending.vim b/src/nvim/testdir/test_lineending.vim
new file mode 100644
index 0000000000..5be3be8db3
--- /dev/null
+++ b/src/nvim/testdir/test_lineending.vim
@@ -0,0 +1,19 @@
+" Tests for saving/loading a file with some lines ending in
+" CTRL-M, some not
+func Test_lineending()
+  let l = ["this line ends in a\<CR>",
+	      \ "this one doesn't",
+	      \ "this one does\<CR>",
+	      \ "and the last one doesn't"]
+  set fileformat=dos
+  enew!
+  call append(0, l)
+  $delete
+  write Xfile1
+  bwipe Xfile1
+  edit Xfile1
+  let t = getline(1, '$')
+  call assert_equal(l, t)
+  new | only
+  call delete('Xfile1')
+endfunc
diff --git a/src/nvim/testdir/test_scrollbind.vim b/src/nvim/testdir/test_scrollbind.vim
new file mode 100644
index 0000000000..baa24f1979
--- /dev/null
+++ b/src/nvim/testdir/test_scrollbind.vim
@@ -0,0 +1,32 @@
+" Test for 'scrollbind' causing an unexpected scroll of one of the windows.
+func Test_scrollbind()
+  " We don't want the status line to cause problems:
+  set laststatus=0
+  let totalLines = &lines * 20
+  let middle = totalLines / 2
+  new | only
+  for i in range(1, totalLines)
+      call setline(i, 'LINE ' . i)
+  endfor
+  exe string(middle)
+  normal zt
+  normal M
+  aboveleft vert new
+  for i in range(1, totalLines)
+      call setline(i, 'line ' . i)
+  endfor
+  exe string(middle)
+  normal zt
+  normal M
+  " Execute the following two commands at once to reproduce the problem.
+  setl scb | wincmd p
+  setl scb
+  wincmd w
+  let topLineLeft = line('w0')
+  wincmd p
+  let topLineRight = line('w0')
+  setl noscrollbind
+  wincmd p
+  setl noscrollbind
+  call assert_equal(0, topLineLeft - topLineRight)
+endfunc