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vim-patch:8.2.4492: no error if an option is given a value with ":let &opt = val" (#19670)

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Problem:    No error if an option is given an invalid value with
            ":let &opt = val".
Solution:   Give the error. (closes vim/vim#9864)
8ccbbeb620
This commit is contained in:
zeertzjq 2022-08-07 17:11:03 +08:00 committed by GitHub
parent fea15adad3
commit fa8b2b4c50
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 8 additions and 2 deletions
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5
src/nvim/eval/vars.c
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@ -678,8 +678,11 @@ static char *ex_let_one(char *arg, typval_T *const tv, const bool copy, const bo
if (!failed) {
if (opt_type != gov_string || s != NULL) {
set_option_value(arg, n, s, opt_flags);
char *err = set_option_value(arg, n, s, opt_flags);
arg_end = p;
if (err != NULL) {
emsg(_(err));
}
} else {
emsg(_(e_stringreq));
}

3
src/nvim/testdir/test_normal.vim
View File

@ -1975,7 +1975,8 @@ func Test_normal31_r_cmd()
" using CTRL-Y and CTRL-E.
" Different code paths are used for utf-8 and latin1 encodings
set showmatch
for enc in ['latin1', 'utf-8']
" for enc in ['latin1', 'utf-8']
for enc in ['utf-8']
enew!
let &encoding = enc
call setline(1, [' {a}', 'xxxxxxxxxx', ' [b]'])

2
src/nvim/testdir/test_options.vim
View File

@ -310,6 +310,7 @@ func Test_set_errors()
call assert_fails('set sidescroll=-1', 'E487:')
call assert_fails('set tabstop=-1', 'E487:')
call assert_fails('set tabstop=10000', 'E474:')
call assert_fails('let &tabstop = 10000', 'E474:')
call assert_fails('set tabstop=5500000000', 'E474:')
call assert_fails('set textwidth=-1', 'E487:')
call assert_fails('set timeoutlen=-1', 'E487:')
@ -325,6 +326,7 @@ func Test_set_errors()
call assert_fails('set comments=a', 'E525:')
call assert_fails('set foldmarker=x', 'E536:')
call assert_fails('set commentstring=x', 'E537:')
call assert_fails('let &commentstring = "x"', 'E537:')
call assert_fails('set complete=x', 'E539:')
call assert_fails('set rulerformat=%-', 'E539:')
call assert_fails('set rulerformat=%(', 'E542:')