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vim/src/testdir/test_functions.vim

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" Tests for various functions.
func Test_str2nr()
call assert_equal(0, str2nr(''))
call assert_equal(1, str2nr('1'))
call assert_equal(1, str2nr(' 1 '))
call assert_equal(1, str2nr('+1'))
call assert_equal(1, str2nr('+ 1'))
call assert_equal(1, str2nr(' + 1 '))
call assert_equal(-1, str2nr('-1'))
call assert_equal(-1, str2nr('- 1'))
call assert_equal(-1, str2nr(' - 1 '))
call assert_equal(123456789, str2nr('123456789'))
call assert_equal(-123456789, str2nr('-123456789'))
endfunc