vim-patch:8.2.4568: getmousepos() does not compute the column below the last line

Problem:    getmousepos() does not compute the column below the last line.
Solution:   Also compute the column when the mouse is below the last line.
            (Sean Dewar, closes vim/vim#9946)
https://github.com/vim/vim/commit/10792feebd237aee89270669e509e85cafdfac60

test_setmouse is N/A.

1 files changed, 27 insertions, 0 deletions

diff --git a/src/nvim/testdir/test_functions.vim b/src/nvim/testdir/test_functions.vim
index d83606882c..c2b5653a29 100644
--- a/src/nvim/testdir/test_functions.vim
+++ b/src/nvim/testdir/test_functions.vim
@@ -1801,6 +1801,33 @@ func Test_getmousepos()
         \ line: 1,
         \ column: 8,
         \ }, getmousepos())
+
+  " If the mouse is positioned past the last buffer line, "line" and "column"
+  " should act like it's positioned on the last buffer line.
+  " call test_setmouse(2, 25)
+  call nvim_input_mouse('left', 'press', '', 0, 1, 24)
+  call getchar() " wait for and consume the mouse press
+  call assert_equal(#{
+        \ screenrow: 2,
+        \ screencol: 25,
+        \ winid: win_getid(),
+        \ winrow: 2,
+        \ wincol: 25,
+        \ line: 1,
+        \ column: 4,
+        \ }, getmousepos())
+  " call test_setmouse(2, 50)
+  call nvim_input_mouse('left', 'press', '', 0, 1, 49)
+  call getchar() " wait for and consume the mouse press
+  call assert_equal(#{
+        \ screenrow: 2,
+        \ screencol: 50,
+        \ winid: win_getid(),
+        \ winrow: 2,
+        \ wincol: 50,
+        \ line: 1,
+        \ column: 8,
+        \ }, getmousepos())
   bwipe!
 endfunc