patch 8.1.1804: no test for display updating without a scroll region
Problem: No test for display updating without a scroll region.
Solution: Add a test.
diff --git a/src/testdir/test_display.vim b/src/testdir/test_display.vim
index 81ffb2c..dfa641b 100644
--- a/src/testdir/test_display.vim
+++ b/src/testdir/test_display.vim
@@ -4,11 +4,12 @@
endif
source view_util.vim
+source check.vim
+source screendump.vim
func Test_display_foldcolumn()
- if !has("folding")
- return
- endif
+ CheckFeature folding
+
new
vnew
vert resize 25
@@ -24,10 +25,10 @@
call cursor(2, 1)
norm! zt
- let lines=ScreenLines([1,2], winwidth(0))
+ let lines = ScreenLines([1,2], winwidth(0))
call assert_equal(expect, lines)
set fdc=2
- let lines=ScreenLines([1,2], winwidth(0))
+ let lines = ScreenLines([1,2], winwidth(0))
let expect = [
\ " e more noise blah blah<",
\ " 82> more stuff here "
@@ -39,9 +40,8 @@
endfunc
func Test_display_foldtext_mbyte()
- if !has("folding")
- return
- endif
+ CheckFeature folding
+
call NewWindow(10, 40)
call append(0, range(1,20))
exe "set foldmethod=manual foldtext=foldtext() fillchars=fold:\u2500,vert:\u2502 fdc=2"
@@ -67,3 +67,28 @@
set foldtext& fillchars& foldmethod& fdc&
bw!
endfunc
+
+" check that win_ins_lines() and win_del_lines() work when t_cs is empty.
+func Test_scroll_without_region()
+ CheckScreendump
+
+ let lines =<< trim END
+ call setline(1, range(1, 20))
+ set t_cs=
+ set laststatus=2
+ END
+ call writefile(lines, 'Xtestscroll')
+ let buf = RunVimInTerminal('-S Xtestscroll', #{rows: 10})
+
+ call VerifyScreenDump(buf, 'Test_scroll_no_region_1', {})
+
+ call term_sendkeys(buf, ":3delete\<cr>")
+ call VerifyScreenDump(buf, 'Test_scroll_no_region_2', {})
+
+ call term_sendkeys(buf, ":4put\<cr>")
+ call VerifyScreenDump(buf, 'Test_scroll_no_region_3', {})
+
+ " clean up
+ call StopVimInTerminal(buf)
+ call delete('Xtestscroll')
+endfunc