10 files changed, 93 insertions, 2 deletions
diff --git a/src/testdir/dumps/Test_smooth_long_6.dump b/src/testdir/dumps/Test_smooth_long_6.dump
index 507aa460da..ba48c2825f 100644
--- a/src/testdir/dumps/Test_smooth_long_6.dump
+++ b/src/testdir/dumps/Test_smooth_long_6.dump
@@ -3,4 +3,4 @@
 |t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o
 |f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e
 |x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w
-|:|s|e|t| |s|c|r|o|l@1|o| @9|3|,|9|0| @9|6@1|%| 
+| @21|3|,|9|0| @9|6@1|%| 
diff --git a/src/testdir/dumps/Test_smooth_long_7.dump b/src/testdir/dumps/Test_smooth_long_7.dump
index 225207ff6c..222e0019f5 100644
--- a/src/testdir/dumps/Test_smooth_long_7.dump
+++ b/src/testdir/dumps/Test_smooth_long_7.dump
@@ -3,4 +3,4 @@
 |t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o
 |f| |t|e|x|t| |w|i>t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e
 |x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w
-|:|s|e|t| |s|c|r|o|l@1|o| @9|3|,|1|7|0| @8|6@1|%| 
+| @21|3|,|1|7|0| @8|6@1|%| 
diff --git a/src/testdir/dumps/Test_smooth_long_scrolloff_1.dump b/src/testdir/dumps/Test_smooth_long_scrolloff_1.dump
new file mode 100644
index 0000000000..6c1d2231fc
--- /dev/null
+++ b/src/testdir/dumps/Test_smooth_long_scrolloff_1.dump
@@ -0,0 +1,8 @@
+| +0&#ffffff0@39
+@40
+@40
+> @39
+@40
+@40
+@40
+@40
diff --git a/src/testdir/dumps/Test_smooth_long_scrolloff_2.dump b/src/testdir/dumps/Test_smooth_long_scrolloff_2.dump
new file mode 100644
index 0000000000..5b9e20d8d2
--- /dev/null
+++ b/src/testdir/dumps/Test_smooth_long_scrolloff_2.dump
@@ -0,0 +1,8 @@
+|<+0#4040ff13#ffffff0@2| +0#0000000&|l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+>t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+| @39
diff --git a/src/testdir/dumps/Test_smooth_long_scrolloff_3.dump b/src/testdir/dumps/Test_smooth_long_scrolloff_3.dump
new file mode 100644
index 0000000000..5b9e20d8d2
--- /dev/null
+++ b/src/testdir/dumps/Test_smooth_long_scrolloff_3.dump
@@ -0,0 +1,8 @@
+|<+0#4040ff13#ffffff0@2| +0#0000000&|l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+>t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+| @39
diff --git a/src/testdir/dumps/Test_smooth_long_scrolloff_4.dump b/src/testdir/dumps/Test_smooth_long_scrolloff_4.dump
new file mode 100644
index 0000000000..6ecdf5b316
--- /dev/null
+++ b/src/testdir/dumps/Test_smooth_long_scrolloff_4.dump
@@ -0,0 +1,8 @@
+|<+0#4040ff13#ffffff0@2| +0#0000000&|l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+>t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+| @39
diff --git a/src/testdir/dumps/Test_smooth_long_scrolloff_5.dump b/src/testdir/dumps/Test_smooth_long_scrolloff_5.dump
new file mode 100644
index 0000000000..5ff26d2795
--- /dev/null
+++ b/src/testdir/dumps/Test_smooth_long_scrolloff_5.dump
@@ -0,0 +1,8 @@
+|<+0#4040ff13#ffffff0@2| +0#0000000&|l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+>t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+| @39
diff --git a/src/testdir/dumps/Test_smooth_long_scrolloff_6.dump b/src/testdir/dumps/Test_smooth_long_scrolloff_6.dump
new file mode 100644
index 0000000000..2ef87da371
--- /dev/null
+++ b/src/testdir/dumps/Test_smooth_long_scrolloff_6.dump
@@ -0,0 +1,8 @@
+|<+0#4040ff13#ffffff0@2| +0#0000000&|l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g|t|w|o| |l|o|n|g
+>t|h|r|e@1| @34
+|f|o|u|r| @35
+@40
diff --git a/src/testdir/dumps/Test_smooth_long_scrolloff_7.dump b/src/testdir/dumps/Test_smooth_long_scrolloff_7.dump
new file mode 100644
index 0000000000..c21c0229a0
--- /dev/null
+++ b/src/testdir/dumps/Test_smooth_long_scrolloff_7.dump
@@ -0,0 +1,8 @@
+| +0&#ffffff0@39
+@40
+@40
+@40
+@40
+@40
+> @39
+@40
diff --git a/src/testdir/test_scroll_opt.vim b/src/testdir/test_scroll_opt.vim
index da9e4a137e..fa1d032c24 100644
--- a/src/testdir/test_scroll_opt.vim
+++ b/src/testdir/test_scroll_opt.vim
@@ -1153,4 +1153,39 @@ func Test_smoothscroll_long_line_zb()
   bwipe!
 endfunc
 
+func Test_smooth_long_scrolloff()
+  CheckScreendump
+
+  let lines =<< trim END
+    set smoothscroll scrolloff=3
+    call setline(1, ['one', 'two long'->repeat(100), 'three', 'four', 'five', 'six'])
+  END
+  call writefile(lines, 'XSmoothLongScrolloff', 'D')
+  let buf = RunVimInTerminal('-u NONE -S XSmoothLongScrolloff', #{rows: 8, cols: 40})
+  "FIXME: empty screen due to reset_skipcol()/curs_columns() shenanigans
+  call term_sendkeys(buf, ":norm j601|\<CR>")
+  call VerifyScreenDump(buf, 'Test_smooth_long_scrolloff_1', {})
+
+  call term_sendkeys(buf, "gj")
+  call VerifyScreenDump(buf, 'Test_smooth_long_scrolloff_2', {})
+
+  call term_sendkeys(buf, "gj")
+  call VerifyScreenDump(buf, 'Test_smooth_long_scrolloff_3', {})
+
+  call term_sendkeys(buf, "gj")
+  call VerifyScreenDump(buf, 'Test_smooth_long_scrolloff_4', {})
+
+  call term_sendkeys(buf, "gj")
+  call VerifyScreenDump(buf, 'Test_smooth_long_scrolloff_5', {})
+
+  call term_sendkeys(buf, "gj")
+  call VerifyScreenDump(buf, 'Test_smooth_long_scrolloff_6', {})
+
+  call term_sendkeys(buf, "gk")
+  "FIXME: empty screen due to reset_skipcol()/curs_columns() shenanigans
+  call VerifyScreenDump(buf, 'Test_smooth_long_scrolloff_7', {})
+
+  call StopVimInTerminal(buf)
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab