Mercurial > vim
changeset 24862:f1a390885192 v8.2.2969
patch 8.2.2969: subtracting from number option fails when result is zero
Commit: https://github.com/vim/vim/commit/a42e6e0082a6d564dbfa55317d4a698ac12ae898
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Jun 10 18:43:25 2021 +0200
patch 8.2.2969: subtracting from number option fails when result is zero
Problem: Subtracting from number option fails when result is zero. (Ingo
Karkat)
Solution: Reset the string value when using the numeric value.
(closes #8351)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Thu, 10 Jun 2021 18:45:03 +0200 |
| parents | 97f000974cc2 |
| children | d88997236cab |
| files | src/evalvars.c src/testdir/test_vimscript.vim src/version.c |
| diffstat | 3 files changed, 12 insertions(+), 0 deletions(-) [+] |
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--- a/src/evalvars.c +++ b/src/evalvars.c @@ -1439,6 +1439,7 @@ ex_let_one( case '%': n = (long)num_modulus(numval, n, &failed); break; } + s = NULL; } else if (opt_type == gov_string && stringval != NULL && s != NULL)
--- a/src/testdir/test_vimscript.vim +++ b/src/testdir/test_vimscript.vim @@ -7083,6 +7083,15 @@ func Test_compound_assignment_operators( call assert_fails('let &scrolljump .= "j"', 'E734:') set scrolljump&vim + let &foldlevelstart = 2 + let &foldlevelstart -= 1 + call assert_equal(1, &foldlevelstart) + let &foldlevelstart -= 1 + call assert_equal(0, &foldlevelstart) + let &foldlevelstart = 2 + let &foldlevelstart -= 2 + call assert_equal(0, &foldlevelstart) + " Test for register let @/ = 1 call assert_fails('let @/ += 1', 'E734:')