commit 6e72cd0d7267b9545ef966a53e62706914a96042
author Bram Moolenaar <Bram@vim.org> Sat Apr 14 21:31:35 2018 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Apr 14 21:31:35 2018 +0200
tree 1989d2ede9c089a7bc22905026bb76ca767d2eb7
parent b3623a382abc8f8e2bcfba4c1a2aa06b7578eb8d

patch 8.0.1714: term_setsize() does not give an error in a normal buffer

Problem:    Term_setsize() does not give an error in a normal buffer.
Solution:   Add an error message.

src/testdir/test_terminal.vim

diff --git a/src/testdir/test_terminal.vim b/src/testdir/test_terminal.vim
index 137de7d..95a131b 100644
--- a/src/testdir/test_terminal.vim
+++ b/src/testdir/test_terminal.vim
@@ -271,6 +271,27 @@
   call delete('Xtext')
 endfunc
 
+func Test_terminal_scrollback()
+  let buf = Run_shell_in_terminal({})
+  set terminalscroll=100
+  call writefile(range(150), 'Xtext')
+  if has('win32')
+    call term_sendkeys(buf, "type Xtext\<CR>")
+  else
+    call term_sendkeys(buf, "cat Xtext\<CR>")
+  endif
+  let rows = term_getsize(buf)[0]
+  call WaitFor({-> term_getline(buf, rows - 1) =~ '149'})
+  let lines = line('$')
+  call assert_true(lines <= 100)
+  call assert_true(lines > 90)
+
+  call Stop_shell_in_terminal(buf)
+  call term_wait(buf)
+  exe buf . 'bwipe'
+  set terminalscroll&
+endfunc
+
 func Test_terminal_size()
   let cmd = Get_cat_123_cmd()
 
@@ -298,6 +319,7 @@
   call assert_equal([7, 30], term_getsize(''))
 
   bwipe!
+  call assert_fails("call term_setsize('', 7, 30)", "E955:")
 
   call term_start(cmd, {'term_rows': 6, 'term_cols': 36})
   let size = term_getsize('')