Mercurial > vim
view src/testdir/test_random.vim @ 34379:37b4c89ba420 v9.1.0116
patch 9.1.0116: win_split_ins may not check available room
Commit: https://github.com/vim/vim/commit/0fd44a5ad81ade342cb54d8984965bdedd2272c8
Author: Sean Dewar <6256228+seandewar@users.noreply.github.com>
Date: Tue Feb 20 20:28:15 2024 +0100
patch 9.1.0116: win_split_ins may not check available room
Problem: win_split_ins has no check for E36 when moving an existing
window
Solution: check for room and fix the issues in f_win_splitmove()
(Sean Dewar)
win_split_ins has no check for E36 when moving an existing window,
allowing for layouts with many overlapping zero-sized windows to be
created (which may also cause drawing issues with tablines and such).
f_win_splitmove also has some bugs.
So check for room and fix the issues in f_win_splitmove. Handle failure
in the two relevant win_split_ins callers by restoring the original
layout, and factor the common logic into win_splitmove.
Don't check for room when opening an autocommand window, as it's a
temporary window that's rarely interacted with or drawn anyhow, and is
rather important for some autocommands.
Issues fixed in f_win_splitmove:
- Error if splitting is disallowed.
- Fix heap-use-after-frees if autocommands fired from switching to "targetwin"
close "wp" or "oldwin".
- Fix splitting the wrong window if autocommands fired from switching to
"targetwin" switch to a different window.
- Ensure -1 is returned for all errors.
Also handle allocation failure a bit earlier in make_snapshot (callers,
except win_splitmove, don't really care if a snapshot can't be made, so
just ignore the return value).
Note: Test_smoothscroll_in_zero_width_window failed after these changes with
E36, as it was using the previous behaviour to create a zero-width window.
I've fixed the test such that it fails with UBSAN as expected when v9.0.1367 is
reverted (and simplified it too).
related: #14042
Signed-off-by: Sean Dewar <6256228+seandewar@users.noreply.github.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Tue, 20 Feb 2024 22:30:04 +0100 |
parents | a267e07ded3b |
children |
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" Tests for srand() and rand() source check.vim source shared.vim func Test_Rand() let r = srand(123456789) call assert_equal([1573771921, 319883699, 2742014374, 1324369493], r) call assert_equal(4284103975, rand(r)) call assert_equal(1001954530, rand(r)) call assert_equal(2701803082, rand(r)) call assert_equal(2658065534, rand(r)) call assert_equal(3104308804, rand(r)) let s = srand() " using /dev/urandom or used time, result is different each time call assert_notequal(s, srand()) call test_srand_seed(123456789) call assert_equal(4284103975, rand()) call assert_equal(1001954530, rand()) call test_srand_seed() call assert_fails('echo srand(1.2)', 'E805:') call assert_fails('echo srand([1])', 'E745:') call assert_fails('echo rand("burp")', 'E475:') call assert_fails('echo rand([1, 2, 3])', 'E730:') call assert_fails('echo rand([[1], 2, 3, 4])', 'E730:') call assert_fails('echo rand([1, [2], 3, 4])', 'E730:') call assert_fails('echo rand([1, 2, [3], 4])', 'E730:') call assert_fails('echo rand([1, 2, 3, [4]])', 'E730:') endfunc func Test_issue_5587() call rand() call garbagecollect() call rand() endfunc func Test_srand() CheckNotGui let cmd = GetVimCommand() .. ' -V -es -c "echo rand()" -c qa!' let bad = 0 for _ in range(10) echo cmd let result1 = system(cmd) let result2 = system(cmd) if result1 ==# result2 let bad += 1 endif endfor call assert_inrange(0, 4, bad) endfunc " vim: shiftwidth=2 sts=2 expandtab