diff --git a/src/testdir/dumps/Test_display_cursor_long_line.dump b/src/testdir/dumps/Test_display_cursor_long_line.dump
deleted file mode 100644
index eafad8c..0000000
--- a/src/testdir/dumps/Test_display_cursor_long_line.dump
+++ /dev/null
@@ -1,8 +0,0 @@
-|<+0#4040ff13#ffffff0@2|b+0#0000000&@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| 
-|b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@2
-@2| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| 
-|b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@2
-@2| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| 
-|b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@2
-@2| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4| |b@4> 
-@57|2|,|6|0@1| @8|5|0|%| 
diff --git a/src/testdir/dumps/Test_display_cursor_long_line_1.dump b/src/testdir/dumps/Test_display_cursor_long_line_1.dump
new file mode 100644
index 0000000..a54a17f
--- /dev/null
+++ b/src/testdir/dumps/Test_display_cursor_long_line_1.dump
@@ -0,0 +1,8 @@
+|<+0#4040ff13#ffffff0@2|b+0#0000000&@71
+@75
+@75
+@75
+@75
+@75
+@1>b| @72
+@57|2|,|7|5|2| @8|5|0|%| 
diff --git a/src/testdir/dumps/Test_display_cursor_long_line_2.dump b/src/testdir/dumps/Test_display_cursor_long_line_2.dump
new file mode 100644
index 0000000..cdae4ba
--- /dev/null
+++ b/src/testdir/dumps/Test_display_cursor_long_line_2.dump
@@ -0,0 +1,8 @@
+|<+0#4040ff13#ffffff0@2|b+0#0000000&>b@70
+@75
+@75
+@75
+@75
+@75
+@75
+| @56|2|,|1| @10|5|0|%| 
diff --git a/src/testdir/dumps/Test_display_cursor_long_line_3.dump b/src/testdir/dumps/Test_display_cursor_long_line_3.dump
new file mode 100644
index 0000000..a736d9d
--- /dev/null
+++ b/src/testdir/dumps/Test_display_cursor_long_line_3.dump
@@ -0,0 +1,8 @@
+| +0#af5f00255#ffffff0@1|2| |b+0#0000000&| >b@68
+@75
+@75
+@75
+@75
+@75
+@75
+| @56|2|,|3| @10|5|0|%| 
diff --git a/src/testdir/dumps/Test_display_cursor_long_line_4.dump b/src/testdir/dumps/Test_display_cursor_long_line_4.dump
new file mode 100644
index 0000000..0f54c43
--- /dev/null
+++ b/src/testdir/dumps/Test_display_cursor_long_line_4.dump
@@ -0,0 +1,8 @@
+| +0#af5f00255#ffffff0@1|2| >b+0#0000000&| |b@68
+@75
+@75
+@75
+@75
+@75
+@75
+| @56|2|,|1| @10|5|0|%| 
diff --git a/src/testdir/test_display.vim b/src/testdir/test_display.vim
index 1332ab5..f817a85 100644
--- a/src/testdir/test_display.vim
+++ b/src/testdir/test_display.vim
@@ -507,14 +507,29 @@
   CheckScreendump
 
   let lines =<< trim END
-    call setline(1, ['a', 'bbbbb '->repeat(100), 'c'])
+    call setline(1, ['a', 'b ' .. 'bbbbb'->repeat(150), 'c'])
     norm $j
   END
 
   call writefile(lines, 'XdispCursorLongline', 'D')
   let buf = RunVimInTerminal('-S XdispCursorLongline', #{rows: 8})
 
-  call VerifyScreenDump(buf, 'Test_display_cursor_long_line', {})
+  call VerifyScreenDump(buf, 'Test_display_cursor_long_line_1', {})
+
+  " FIXME: moving the cursor above the topline does not set w_skipcol
+  " correctly with cpo+=n and zero scrolloff (curs_columns() extra == 1).
+  call term_sendkeys(buf, ":set number cpo+=n scrolloff=0\<CR>")
+  call term_sendkeys(buf, '$0')
+  call VerifyScreenDump(buf, 'Test_display_cursor_long_line_2', {})
+
+  " Going to the start of the line with "b" did not set w_skipcol correctly
+  " with 'smoothscroll'.
+   call term_sendkeys(buf, ":set smoothscroll\<CR>")
+   call term_sendkeys(buf, '$b')
+   call VerifyScreenDump(buf, 'Test_display_cursor_long_line_3', {})
+  " Same for "ge".
+   call term_sendkeys(buf, '$ge')
+   call VerifyScreenDump(buf, 'Test_display_cursor_long_line_4', {})
 
   call StopVimInTerminal(buf)
 endfunc
diff --git a/src/testdir/test_scroll_opt.vim b/src/testdir/test_scroll_opt.vim
index 636e7b7..469cf12 100644
--- a/src/testdir/test_scroll_opt.vim
+++ b/src/testdir/test_scroll_opt.vim
@@ -502,7 +502,7 @@
   " regardless of number and cpo-=n.
   setl number list listchars=precedes:< cpo-=n
   call s:check_col_calc(5, 1, 1)
-  exe "normal 2|\<C-E>"
+  exe "normal 3|\<C-E>h"
   call s:check_col_calc(6, 1, 18)
   norm h
   call s:check_col_calc(5, 2, 17)