patch 9.0.0304: WinScrolled is not triggered when only skipcol changesv9.0.0304

Problem:    WinScrolled is not triggered when only skipcol changes.
Solution:   Add w_last_skipcol and use it. (closes #10998)

1 files changed, 33 insertions, 0 deletions

diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
index 189a2bc464..a400b1dab3 100644
--- a/src/testdir/test_autocmd.vim
+++ b/src/testdir/test_autocmd.vim
@@ -419,6 +419,39 @@ func Test_WinScrolled_close_curwin()
   call delete('Xtestout')
 endfunc
 
+func Test_WinScrolled_long_wrapped()
+  CheckRunVimInTerminal
+
+  let lines =<< trim END
+    set scrolloff=0
+    let height = winheight(0)
+    let width = winwidth(0)
+    let g:scrolled = 0
+    au WinScrolled * let g:scrolled += 1
+    call setline(1, repeat('foo', height * width))
+    call cursor(1, height * width)
+  END
+  call writefile(lines, 'Xtest_winscrolled_long_wrapped')
+  let buf = RunVimInTerminal('-S Xtest_winscrolled_long_wrapped', {'rows': 6})
+
+  call term_sendkeys(buf, ":echo g:scrolled\<CR>")
+  call WaitForAssert({-> assert_match('^0 ', term_getline(buf, 6))}, 1000)
+
+  call term_sendkeys(buf, 'gj')
+  call term_sendkeys(buf, ":echo g:scrolled\<CR>")
+  call WaitForAssert({-> assert_match('^1 ', term_getline(buf, 6))}, 1000)
+
+  call term_sendkeys(buf, '0')
+  call term_sendkeys(buf, ":echo g:scrolled\<CR>")
+  call WaitForAssert({-> assert_match('^2 ', term_getline(buf, 6))}, 1000)
+
+  call term_sendkeys(buf, '$')
+  call term_sendkeys(buf, ":echo g:scrolled\<CR>")
+  call WaitForAssert({-> assert_match('^3 ', term_getline(buf, 6))}, 1000)
+
+  call delete('Xtest_winscrolled_long_wrapped')
+endfunc
+
 func Test_WinClosed()
   " Test that the pattern is matched against the closed window's ID, and both
   " <amatch> and <afile> are set to it.