feat(api)!: change return type of nvim_win_text_height to Dict (#24365)

6 files changed, 132 insertions, 109 deletions

diff --git a/runtime/doc/api.txt b/runtime/doc/api.txt
index a20ba9a348..b33d251786 100644
--- a/runtime/doc/api.txt
+++ b/runtime/doc/api.txt
@@ -2989,7 +2989,9 @@ nvim_win_text_height({window}, {*opts})               *nvim_win_text_height()*
                     omitted include the whole line.
 
     Return: ~
-        The number of screen lines that the range of text occupy.
+        Dictionary containing text height information, with these keys:
+        • all: The total number of screen lines occupied by the range.
+        • fill: The number of diff filler or virtual lines among them.
 
     See also: ~
       • |virtcol()| for text width.
diff --git a/runtime/doc/news.txt b/runtime/doc/news.txt
index e16bcafac2..0a16cb0e96 100644
--- a/runtime/doc/news.txt
+++ b/runtime/doc/news.txt
@@ -99,8 +99,8 @@ The following new APIs and features were added.
 
 • |vim.system()| for running system commands.
 
-• Added |nvim_win_text_height()| to get the number of screen lines occupied by
-  a range of text in a given window.
+• Added |nvim_win_text_height()| to compute the number of screen lines occupied
+  by a range of text in a given window.
 
 • |nvim_set_keymap()| and |nvim_del_keymap()| now support abbreviations.
 
diff --git a/src/nvim/api/window.c b/src/nvim/api/window.c
index 07aad2cd88..5480584aa5 100644
--- a/src/nvim/api/window.c
+++ b/src/nvim/api/window.c
@@ -488,15 +488,20 @@ void nvim_win_set_hl_ns(Window window, Integer ns_id, Error *err)
 ///                - end_vcol: Ending virtual column index on "end_row",
 ///                            0-based exclusive, rounded up to full screen lines.
 ///                            When omitted include the whole line.
-/// @return  The number of screen lines that the range of text occupy.
+/// @return  Dictionary containing text height information, with these keys:
+///          - all: The total number of screen lines occupied by the range.
+///          - fill: The number of diff filler or virtual lines among them.
 ///
 /// @see |virtcol()| for text width.
-Object nvim_win_text_height(Window window, Dict(win_text_height) *opts, Error *err)
+Dictionary nvim_win_text_height(Window window, Dict(win_text_height) *opts, Arena *arena,
+                                Error *err)
   FUNC_API_SINCE(12)
 {
+  Dictionary rv = arena_dict(arena, 2);
+
   win_T *const win = find_window_by_handle(window, err);
   if (!win) {
-    return NIL;
+    return rv;
   }
   buf_T *const buf = win->w_buffer;
   const linenr_T line_count = buf->b_ml.ml_line_count;
@@ -510,58 +515,65 @@ Object nvim_win_text_height(Window window, Dict(win_text_height) *opts, Error *e
 
   if (HAS_KEY(opts->start_row)) {
     VALIDATE_T("start_row", kObjectTypeInteger, opts->start_row.type, {
-      return NIL;
+      return rv;
     });
     start_lnum = (linenr_T)normalize_index(buf, opts->start_row.data.integer, false, &oob);
   }
 
   if (HAS_KEY(opts->end_row)) {
     VALIDATE_T("end_row", kObjectTypeInteger, opts->end_row.type, {
-      return NIL;
+      return rv;
     });
     end_lnum = (linenr_T)normalize_index(buf, opts->end_row.data.integer, false, &oob);
   }
 
   VALIDATE(!oob, "%s", "Line index out of bounds", {
-    return NIL;
+    return rv;
   });
   VALIDATE((start_lnum <= end_lnum), "%s", "'start_row' is higher than 'end_row'", {
-    return NIL;
+    return rv;
   });
 
   if (HAS_KEY(opts->start_vcol)) {
     VALIDATE(HAS_KEY(opts->start_row), "%s", "'start_vcol' specified without 'start_row'", {
-      return NIL;
+      return rv;
     });
     VALIDATE_T("start_vcol", kObjectTypeInteger, opts->start_vcol.type, {
-      return NIL;
+      return rv;
     });
     start_vcol = opts->start_vcol.data.integer;
     VALIDATE_RANGE((start_vcol >= 0 && start_vcol <= MAXCOL), "start_vcol", {
-      return NIL;
+      return rv;
     });
   }
 
   if (HAS_KEY(opts->end_vcol)) {
     VALIDATE(HAS_KEY(opts->end_row), "%s", "'end_vcol' specified without 'end_row'", {
-      return NIL;
+      return rv;
     });
     VALIDATE_T("end_vcol", kObjectTypeInteger, opts->end_vcol.type, {
-      return NIL;
+      return rv;
     });
     end_vcol = opts->end_vcol.data.integer;
     VALIDATE_RANGE((end_vcol >= 0 && end_vcol <= MAXCOL), "end_vcol", {
-      return NIL;
+      return rv;
     });
   }
 
   if (start_lnum == end_lnum && start_vcol >= 0 && end_vcol >= 0) {
     VALIDATE((start_vcol <= end_vcol), "%s", "'start_vcol' is higher than 'end_vcol'", {
-      return NIL;
+      return rv;
     });
   }
 
-  const int64_t res = win_text_height(win, start_lnum, start_vcol, end_lnum, end_vcol)
-                      + (HAS_KEY(opts->end_row) ? 0 : win_get_fill(win, line_count + 1));
-  return INTEGER_OBJ(res);
+  int64_t fill = 0;
+  int64_t all = win_text_height(win, start_lnum, start_vcol, end_lnum, end_vcol, &fill);
+  if (!HAS_KEY(opts->end_row)) {
+    const int64_t end_fill = win_get_fill(win, line_count + 1);
+    fill += end_fill;
+    all += end_fill;
+  }
+  PUT_C(rv, "all", INTEGER_OBJ(all));
+  PUT_C(rv, "fill", INTEGER_OBJ(fill));
+  return rv;
 }
diff --git a/src/nvim/plines.c b/src/nvim/plines.c
index 73b15edb27..236a992bf9 100644
--- a/src/nvim/plines.c
+++ b/src/nvim/plines.c
@@ -600,16 +600,17 @@ static int win_nolbr_chartabsize(chartabsize_T *cts, int *headp)
 
 /// Get the number of screen lines a range of text will take in window "wp".
 ///
-/// @param start_lnum  Starting line number, 1-based inclusive.
-/// @param start_vcol  >= 0: Starting virtual column index on "start_lnum",
-///                          0-based inclusive, rounded down to full screen lines.
-///                    < 0:  Count a full "start_lnum", including filler lines above.
-/// @param end_lnum    Ending line number, 1-based inclusive.
-/// @param end_vcol    >= 0: Ending virtual column index on "end_lnum",
-///                          0-based exclusive, rounded up to full screen lines.
-///                    < 0:  Count a full "end_lnum", not including fillers lines below.
+/// @param[in] start_lnum  Starting line number, 1-based inclusive.
+/// @param[in] start_vcol  >= 0: Starting virtual column index on "start_lnum",
+///                              0-based inclusive, rounded down to full screen lines.
+///                        < 0:  Count a full "start_lnum", including filler lines above.
+/// @param[in] end_lnum    Ending line number, 1-based inclusive.
+/// @param[in] end_vcol    >= 0: Ending virtual column index on "end_lnum",
+///                              0-based exclusive, rounded up to full screen lines.
+///                        < 0:  Count a full "end_lnum", not including filler lines below.
+/// @param[out] fill       If not NULL, set to the number of filler lines in the range.
 int64_t win_text_height(win_T *const wp, const linenr_T start_lnum, const int64_t start_vcol,
-                        const linenr_T end_lnum, const int64_t end_vcol)
+                        const linenr_T end_lnum, const int64_t end_vcol, int64_t *const fill)
 {
   int width1 = 0;
   int width2 = 0;
@@ -620,39 +621,44 @@ int64_t win_text_height(win_T *const wp, const linenr_T start_lnum, const int64_
     width2 = MAX(width2, 0);
   }
 
-  int64_t height_sum = 0;
+  int64_t height_sum_fill = 0;
   int64_t height_cur_nofill = 0;
+  int64_t height_sum_nofill = 0;
   linenr_T lnum = start_lnum;
 
   if (start_vcol >= 0) {
     linenr_T lnum_next = lnum;
     const bool folded = hasFoldingWin(wp, lnum, &lnum, &lnum_next, true, NULL);
     height_cur_nofill = folded ? 1 : plines_win_nofill(wp, lnum, false);
-    height_sum += height_cur_nofill;
+    height_sum_nofill += height_cur_nofill;
     const int64_t row_off = (start_vcol < width1 || width2 <= 0)
                             ? 0
                             : 1 + (start_vcol - width1) / width2;
-    height_sum -= MIN(row_off, height_cur_nofill);
+    height_sum_nofill -= MIN(row_off, height_cur_nofill);
     lnum = lnum_next + 1;
   }
 
   while (lnum <= end_lnum) {
     linenr_T lnum_next = lnum;
     const bool folded = hasFoldingWin(wp, lnum, &lnum, &lnum_next, true, NULL);
+    height_sum_fill += win_get_fill(wp, lnum);
     height_cur_nofill = folded ? 1 : plines_win_nofill(wp, lnum, false);
-    height_sum += win_get_fill(wp, lnum) + height_cur_nofill;
+    height_sum_nofill += height_cur_nofill;
     lnum = lnum_next + 1;
   }
 
   if (end_vcol >= 0) {
-    height_sum -= height_cur_nofill;
+    height_sum_nofill -= height_cur_nofill;
     const int64_t row_off = end_vcol == 0
                             ? 0
                             : (end_vcol <= width1 || width2 <= 0)
                               ? 1
                               : 1 + (end_vcol - width1 + width2 - 1) / width2;
-    height_sum += MIN(row_off, height_cur_nofill);
+    height_sum_nofill += MIN(row_off, height_cur_nofill);
   }
 
-  return height_sum;
+  if (fill != NULL) {
+    *fill = height_sum_fill;
+  }
+  return height_sum_fill + height_sum_nofill;
 }
diff --git a/src/nvim/window.c b/src/nvim/window.c
index 1a78918b09..e230bde95c 100644
--- a/src/nvim/window.c
+++ b/src/nvim/window.c
@@ -1052,19 +1052,19 @@ void ui_ext_win_viewport(win_T *wp)
         || (cur_topline == last_topline && wp->w_skipcol < last_skipcol)) {
       if (last_topline > 0 && cur_botline < last_topline) {
         // Scrolling too many lines: only give an approximate "scroll_delta".
-        delta -= win_text_height(wp, cur_topline, wp->w_skipcol, cur_botline, 0);
+        delta -= win_text_height(wp, cur_topline, wp->w_skipcol, cur_botline, 0, NULL);
         delta -= last_topline - cur_botline;
       } else {
-        delta -= win_text_height(wp, cur_topline, wp->w_skipcol, last_topline, last_skipcol);
+        delta -= win_text_height(wp, cur_topline, wp->w_skipcol, last_topline, last_skipcol, NULL);
       }
     } else if (cur_topline > last_topline
                || (cur_topline == last_topline && wp->w_skipcol > last_skipcol)) {
       if (last_botline > 0 && cur_topline > last_botline) {
         // Scrolling too many lines: only give an approximate "scroll_delta".
-        delta += win_text_height(wp, last_topline, last_skipcol, last_botline, 0);
+        delta += win_text_height(wp, last_topline, last_skipcol, last_botline, 0, NULL);
         delta += cur_topline - last_botline;
       } else {
-        delta += win_text_height(wp, last_topline, last_skipcol, cur_topline, wp->w_skipcol);
+        delta += win_text_height(wp, last_topline, last_skipcol, cur_topline, wp->w_skipcol, NULL);
       }
     }
     delta += last_topfill;
diff --git a/test/functional/api/window_spec.lua b/test/functional/api/window_spec.lua
index 8038a84139..19511f30f1 100644
--- a/test/functional/api/window_spec.lua
+++ b/test/functional/api/window_spec.lua
@@ -687,42 +687,42 @@ describe('API/win', function()
         {8:[No Name] [+]          }{9:[No Name] [+]         }|
                                                      |
       ]]}
-      eq(20, meths.win_text_height(1000, {}))
-      eq(20, meths.win_text_height(1001, {}))
-      eq(20, meths.win_text_height(1000, { start_row = 0 }))
-      eq(20, meths.win_text_height(1001, { start_row = 0 }))
-      eq(15, meths.win_text_height(1000, { end_row = -1 }))
-      eq(20, meths.win_text_height(1001, { end_row = -1 }))
-      eq(15, meths.win_text_height(1000, { end_row = 40 }))
-      eq(20, meths.win_text_height(1001, { end_row = 40 }))
-      eq(10, meths.win_text_height(1000, { start_row = 23 }))
-      eq(13, meths.win_text_height(1001, { start_row = 18 }))
-      eq(11, meths.win_text_height(1000, { end_row = 23 }))
-      eq(11, meths.win_text_height(1001, { end_row = 18 }))
-      eq(11, meths.win_text_height(1000, { start_row = 3, end_row = 39 }))
-      eq(11, meths.win_text_height(1001, { start_row = 1, end_row = 34 }))
-      eq(9, meths.win_text_height(1000, { start_row = 4, end_row = 38 }))
-      eq(9, meths.win_text_height(1001, { start_row = 2, end_row = 33 }))
-      eq(9, meths.win_text_height(1000, { start_row = 5, end_row = 37 }))
-      eq(9, meths.win_text_height(1001, { start_row = 3, end_row = 32 }))
-      eq(9, meths.win_text_height(1000, { start_row = 17, end_row = 25 }))
-      eq(9, meths.win_text_height(1001, { start_row = 15, end_row = 20 }))
-      eq(7, meths.win_text_height(1000, { start_row = 18, end_row = 24 }))
-      eq(7, meths.win_text_height(1001, { start_row = 16, end_row = 19 }))
-      eq(6, meths.win_text_height(1000, { start_row = -1 }))
-      eq(5, meths.win_text_height(1000, { start_row = -1, start_vcol = X }))
-      eq(0, meths.win_text_height(1000, { start_row = -1, start_vcol = X, end_row = -1 }))
-      eq(0, meths.win_text_height(1000, { start_row = -1, start_vcol = X, end_row = -1, end_vcol = X }))
-      eq(1, meths.win_text_height(1000, { start_row = -1, start_vcol = 0, end_row = -1, end_vcol = X }))
-      eq(3, meths.win_text_height(1001, { end_row = 0 }))
-      eq(2, meths.win_text_height(1001, { end_row = 0, end_vcol = 0 }))
-      eq(2, meths.win_text_height(1001, { start_row = 0, end_row = 0, end_vcol = 0 }))
-      eq(0, meths.win_text_height(1001, { start_row = 0, start_vcol = 0, end_row = 0, end_vcol = 0 }))
-      eq(1, meths.win_text_height(1001, { start_row = 0, start_vcol = 0, end_row = 0, end_vcol = X }))
-      eq(11, meths.win_text_height(1001, { end_row = 18 }))
-      eq(9, meths.win_text_height(1001, { start_row = 0, start_vcol = 0, end_row = 18 }))
-      eq(10, meths.win_text_height(1001, { end_row = 18, end_vcol = 0 }))
-      eq(8, meths.win_text_height(1001, { start_row = 0, start_vcol = 0, end_row = 18, end_vcol = 0 }))
+      eq({ all = 20, fill = 5 }, meths.win_text_height(1000, {}))
+      eq({ all = 20, fill = 5 }, meths.win_text_height(1001, {}))
+      eq({ all = 20, fill = 5 }, meths.win_text_height(1000, { start_row = 0 }))
+      eq({ all = 20, fill = 5 }, meths.win_text_height(1001, { start_row = 0 }))
+      eq({ all = 15, fill = 0 }, meths.win_text_height(1000, { end_row = -1 }))
+      eq({ all = 15, fill = 0 }, meths.win_text_height(1000, { end_row = 40 }))
+      eq({ all = 20, fill = 5 }, meths.win_text_height(1001, { end_row = -1 }))
+      eq({ all = 20, fill = 5 }, meths.win_text_height(1001, { end_row = 40 }))
+      eq({ all = 10, fill = 5 }, meths.win_text_height(1000, { start_row = 23 }))
+      eq({ all = 13, fill = 3 }, meths.win_text_height(1001, { start_row = 18 }))
+      eq({ all = 11, fill = 0 }, meths.win_text_height(1000, { end_row = 23 }))
+      eq({ all = 11, fill = 5 }, meths.win_text_height(1001, { end_row = 18 }))
+      eq({ all = 11, fill = 0 }, meths.win_text_height(1000, { start_row = 3, end_row = 39 }))
+      eq({ all = 11, fill = 3 }, meths.win_text_height(1001, { start_row = 1, end_row = 34 }))
+      eq({ all = 9, fill = 0 }, meths.win_text_height(1000, { start_row = 4, end_row = 38 }))
+      eq({ all = 9, fill = 3 }, meths.win_text_height(1001, { start_row = 2, end_row = 33 }))
+      eq({ all = 9, fill = 0 }, meths.win_text_height(1000, { start_row = 5, end_row = 37 }))
+      eq({ all = 9, fill = 3 }, meths.win_text_height(1001, { start_row = 3, end_row = 32 }))
+      eq({ all = 9, fill = 0 }, meths.win_text_height(1000, { start_row = 17, end_row = 25 }))
+      eq({ all = 9, fill = 3 }, meths.win_text_height(1001, { start_row = 15, end_row = 20 }))
+      eq({ all = 7, fill = 0 }, meths.win_text_height(1000, { start_row = 18, end_row = 24 }))
+      eq({ all = 7, fill = 3 }, meths.win_text_height(1001, { start_row = 16, end_row = 19 }))
+      eq({ all = 6, fill = 5 }, meths.win_text_height(1000, { start_row = -1 }))
+      eq({ all = 5, fill = 5 }, meths.win_text_height(1000, { start_row = -1, start_vcol = X }))
+      eq({ all = 0, fill = 0 }, meths.win_text_height(1000, { start_row = -1, start_vcol = X, end_row = -1 }))
+      eq({ all = 0, fill = 0 }, meths.win_text_height(1000, { start_row = -1, start_vcol = X, end_row = -1, end_vcol = X }))
+      eq({ all = 1, fill = 0 }, meths.win_text_height(1000, { start_row = -1, start_vcol = 0, end_row = -1, end_vcol = X }))
+      eq({ all = 3, fill = 2 }, meths.win_text_height(1001, { end_row = 0 }))
+      eq({ all = 2, fill = 2 }, meths.win_text_height(1001, { end_row = 0, end_vcol = 0 }))
+      eq({ all = 2, fill = 2 }, meths.win_text_height(1001, { start_row = 0, end_row = 0, end_vcol = 0 }))
+      eq({ all = 0, fill = 0 }, meths.win_text_height(1001, { start_row = 0, start_vcol = 0, end_row = 0, end_vcol = 0 }))
+      eq({ all = 1, fill = 0 }, meths.win_text_height(1001, { start_row = 0, start_vcol = 0, end_row = 0, end_vcol = X }))
+      eq({ all = 11, fill = 5 }, meths.win_text_height(1001, { end_row = 18 }))
+      eq({ all = 9, fill = 3 }, meths.win_text_height(1001, { start_row = 0, start_vcol = 0, end_row = 18 }))
+      eq({ all = 10, fill = 5 }, meths.win_text_height(1001, { end_row = 18, end_vcol = 0 }))
+      eq({ all = 8, fill = 3 }, meths.win_text_height(1001, { start_row = 0, start_vcol = 0, end_row = 18, end_vcol = 0 }))
     end)
 
     it('with wrapped lines', function()
@@ -770,39 +770,42 @@ describe('API/win', function()
         {1:  1 }^foobar-foobar-foobar-foobar-foobar-foobar|
                                                      |
       ]]}
-      eq(21, meths.win_text_height(0, {}))
-      eq(6, meths.win_text_height(0, { start_row = 0, end_row = 0 }))
-      eq(7, meths.win_text_height(0, { start_row = 1, end_row = 1 }))
-      eq(8, meths.win_text_height(0, { start_row = 2, end_row = 2 }))
-      eq(1, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = 41 }))
-      eq(2, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = 42 }))
-      eq(2, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = 86 }))
-      eq(3, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = 87 }))
-      eq(6, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = 266 }))
-      eq(7, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = 267 }))
-      eq(7, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = 311 }))
-      eq(7, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = 312 }))
-      eq(7, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = X }))
-      eq(7, meths.win_text_height(0, { start_row = 1, start_vcol = 40, end_row = 1, end_vcol = X }))
-      eq(6, meths.win_text_height(0, { start_row = 1, start_vcol = 41, end_row = 1, end_vcol = X }))
-      eq(6, meths.win_text_height(0, { start_row = 1, start_vcol = 85, end_row = 1, end_vcol = X }))
-      eq(5, meths.win_text_height(0, { start_row = 1, start_vcol = 86, end_row = 1, end_vcol = X }))
-      eq(2, meths.win_text_height(0, { start_row = 1, start_vcol = 265, end_row = 1, end_vcol = X }))
-      eq(1, meths.win_text_height(0, { start_row = 1, start_vcol = 266, end_row = 1, end_vcol = X }))
-      eq(1, meths.win_text_height(0, { start_row = 1, start_vcol = 310, end_row = 1, end_vcol = X }))
-      eq(0, meths.win_text_height(0, { start_row = 1, start_vcol = 311, end_row = 1, end_vcol = X }))
-      eq(18, meths.win_text_height(0, { start_row = 0, start_vcol = 131 }))
-      eq(19, meths.win_text_height(0, { start_row = 0, start_vcol = 130 }))
-      eq(20, meths.win_text_height(0, { end_row = 2, end_vcol = 311 }))
-      eq(21, meths.win_text_height(0, { end_row = 2, end_vcol = 312 }))
-      eq(17, meths.win_text_height(0, { start_row = 0, start_vcol = 131, end_row = 2, end_vcol = 311 }))
-      eq(19, meths.win_text_height(0, { start_row = 0, start_vcol = 130, end_row = 2, end_vcol = 312 }))
-      eq(16, meths.win_text_height(0, { start_row = 0, start_vcol = 221 }))
-      eq(17, meths.win_text_height(0, { start_row = 0, start_vcol = 220 }))
-      eq(14, meths.win_text_height(0, { end_row = 2, end_vcol = 41 }))
-      eq(15, meths.win_text_height(0, { end_row = 2, end_vcol = 42 }))
-      eq(9, meths.win_text_height(0, { start_row = 0, start_vcol = 221, end_row = 2, end_vcol = 41 }))
-      eq(11, meths.win_text_height(0, { start_row = 0, start_vcol = 220, end_row = 2, end_vcol = 42 }))
+      eq({ all = 21, fill = 0 }, meths.win_text_height(0, {}))
+      eq({ all = 6, fill = 0 }, meths.win_text_height(0, { start_row = 0, end_row = 0 }))
+      eq({ all = 7, fill = 0 }, meths.win_text_height(0, { start_row = 1, end_row = 1 }))
+      eq({ all = 8, fill = 0 }, meths.win_text_height(0, { start_row = 2, end_row = 2 }))
+      eq({ all = 0, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = 0 }))
+      eq({ all = 1, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = 41 }))
+      eq({ all = 2, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = 42 }))
+      eq({ all = 2, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = 86 }))
+      eq({ all = 3, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = 87 }))
+      eq({ all = 6, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = 266 }))
+      eq({ all = 7, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = 267 }))
+      eq({ all = 7, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = 311 }))
+      eq({ all = 7, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = 312 }))
+      eq({ all = 7, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 0, end_row = 1, end_vcol = X }))
+      eq({ all = 7, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 40, end_row = 1, end_vcol = X }))
+      eq({ all = 6, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 41, end_row = 1, end_vcol = X }))
+      eq({ all = 6, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 85, end_row = 1, end_vcol = X }))
+      eq({ all = 5, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 86, end_row = 1, end_vcol = X }))
+      eq({ all = 2, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 265, end_row = 1, end_vcol = X }))
+      eq({ all = 1, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 266, end_row = 1, end_vcol = X }))
+      eq({ all = 1, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 310, end_row = 1, end_vcol = X }))
+      eq({ all = 0, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 311, end_row = 1, end_vcol = X }))
+      eq({ all = 1, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 86, end_row = 1, end_vcol = 131 }))
+      eq({ all = 1, fill = 0 }, meths.win_text_height(0, { start_row = 1, start_vcol = 221, end_row = 1, end_vcol = 266 }))
+      eq({ all = 18, fill = 0 }, meths.win_text_height(0, { start_row = 0, start_vcol = 131 }))
+      eq({ all = 19, fill = 0 }, meths.win_text_height(0, { start_row = 0, start_vcol = 130 }))
+      eq({ all = 20, fill = 0 }, meths.win_text_height(0, { end_row = 2, end_vcol = 311 }))
+      eq({ all = 21, fill = 0 }, meths.win_text_height(0, { end_row = 2, end_vcol = 312 }))
+      eq({ all = 17, fill = 0 }, meths.win_text_height(0, { start_row = 0, start_vcol = 131, end_row = 2, end_vcol = 311 }))
+      eq({ all = 19, fill = 0 }, meths.win_text_height(0, { start_row = 0, start_vcol = 130, end_row = 2, end_vcol = 312 }))
+      eq({ all = 16, fill = 0 }, meths.win_text_height(0, { start_row = 0, start_vcol = 221 }))
+      eq({ all = 17, fill = 0 }, meths.win_text_height(0, { start_row = 0, start_vcol = 220 }))
+      eq({ all = 14, fill = 0 }, meths.win_text_height(0, { end_row = 2, end_vcol = 41 }))
+      eq({ all = 15, fill = 0 }, meths.win_text_height(0, { end_row = 2, end_vcol = 42 }))
+      eq({ all = 9, fill = 0 }, meths.win_text_height(0, { start_row = 0, start_vcol = 221, end_row = 2, end_vcol = 41 }))
+      eq({ all = 11, fill = 0 }, meths.win_text_height(0, { start_row = 0, start_vcol = 220, end_row = 2, end_vcol = 42 }))
     end)
   end)