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patch 8.1.1355: obvious mistakes are accepted as valid expressions

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Problem:    Obvious mistakes are accepted as valid expressions.
Solution:   Be more strict about parsing numbers. (Yasuhiro Matsumoto,
            closes #3981)
This commit is contained in:
Bram Moolenaar
2019-05-19 19:59:35 +02:00
parent f5842c5a53
commit 16e9b85113
13 changed files with 86 additions and 28 deletions
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11
src/testdir/test_expr.vim
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@@ -512,3 +512,14 @@ func Test_empty_concatenate()
call assert_equal('b', 'a'[4:0] . 'b')
call assert_equal('b', 'b' . 'a'[4:0])
endfunc
func Test_broken_number()
let X = 'bad'
call assert_fails('echo 1X', 'E15:')
call assert_fails('echo 0b1X', 'E15:')
call assert_fails('echo 0b12', 'E15:')
call assert_fails('echo 0x1X', 'E15:')
call assert_fails('echo 011X', 'E15:')
call assert_equal(2, str2nr('2a'))
call assert_fails('inoremap <Char-0b1z> b', 'E474:')
endfunc