patch 8.2.0426: some errors were not tested for
Problem: Some errors were not tested for.
Solution: Add tests. (Dominique Pelle, closes #5824)
diff --git a/src/testdir/test_window_cmd.vim b/src/testdir/test_window_cmd.vim
index ceba4be..5519ffd 100644
--- a/src/testdir/test_window_cmd.vim
+++ b/src/testdir/test_window_cmd.vim
@@ -174,6 +174,35 @@
%bw!
endfunc
+func Test_window_split_no_room()
+ " N horizontal windows need >= 2*N + 1 lines:
+ " - 1 line + 1 status line in each window
+ " - 1 Ex command line
+ "
+ " 2*N + 1 <= &lines
+ " N <= (lines - 1)/2
+ "
+ " Beyond that number of windows, E36: Not enough room is expected.
+ let hor_win_count = (&lines - 1)/2
+ let hor_split_count = hor_win_count - 1
+ for s in range(1, hor_split_count) | split | endfor
+ call assert_fails('split', 'E36:')
+
+ " N vertical windows need >= 2*(N - 1) + 1 columns:
+ " - 1 column + 1 separator for each window (except last window)
+ " - 1 column for the last window which does not have separator
+ "
+ " 2*(N - 1) + 1 <= &columns
+ " 2*N - 1 <= &columns
+ " N <= (&columns + 1)/2
+ let ver_win_count = (&columns + 1)/2
+ let ver_split_count = ver_win_count - 1
+ for s in range(1, ver_split_count) | vsplit | endfor
+ call assert_fails('vsplit', 'E36:')
+
+ %bw!
+endfunc
+
func Test_window_preview()
CheckFeature quickfix