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patch 7.4.2235

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Problem:    submatch() does not check for a valid argument.
Solution:   Give an error if the argument is out of range. (Dominique Pelle)
This commit is contained in:
Bram Moolenaar
2016-08-21 15:26:54 +02:00
parent dd1248143e
commit 989f592f7f
3 changed files with 12 additions and 1 deletions
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5
src/testdir/test_expr.vim
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@@ -198,6 +198,11 @@ func Test_substitute_expr()
call assert_equal('--', substitute('xxx', 'x*', {-> '-' . Recurse() . '-'}, ''))
endfunc
func Test_invalid_submatch()
" This was causing invalid memory access in Vim-7.4.2232 and older
call assert_fails("call substitute('x', '.', {-> submatch(10)}, '')", 'E935:')
endfunc
func Test_substitute_expr_arg()
call assert_equal('123456789-123456789=', substitute('123456789',
\ '\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)',