aniani/vim
0
0
Fork 1
mirror of https://github.com/vim/vim.git synced 2025-10-03 05:14:07 -04:00
Code Activity

patch 8.1.0990: floating point exception with "%= 0" and "/= 0"

Browse Source 
Problem:    Floating point exception with "%= 0" and "/= 0".
Solution:   Avoid dividing by zero. (Dominique Pelle, closes #4058)
This commit is contained in:
Bram Moolenaar
2019-03-02 11:57:09 +01:00
parent bdace838c6
commit e21c1580b7
3 changed files with 80 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
src/testdir/test_vimscript.vim
View File

@@ -21,7 +21,7 @@ com! -nargs=1 Xout call Xout(<args>)
"
" Create a script that consists of the body of the function a:funcname.
" Replace any ":return" by a ":finish", any argument variable by a global
" variable, and and every ":call" by a ":source" for the next following argument
" variable, and every ":call" by a ":source" for the next following argument
" in the variable argument list. This function is useful if similar tests are
" to be made for a ":return" from a function call or a ":finish" in a script
" file.
@@ -1457,6 +1457,43 @@ func Test_compound_assignment_operators()
let x .= 'n'
call assert_equal('2n', x)
" Test special cases: division or modulus with 0.
let x = 1
let x /= 0
if has('num64')
call assert_equal(0x7FFFFFFFFFFFFFFF, x)
else
call assert_equal(0x7fffffff, x)
endif
let x = -1
let x /= 0
if has('num64')
call assert_equal(-0x7FFFFFFFFFFFFFFF, x)
else
call assert_equal(-0x7fffffff, x)
endif
let x = 0
let x /= 0
if has('num64')
call assert_equal(-0x7FFFFFFFFFFFFFFF - 1, x)
else
call assert_equal(-0x7FFFFFFF - 1, x)
endif
let x = 1
let x %= 0
call assert_equal(0, x)
let x = -1
let x %= 0
call assert_equal(0, x)
let x = 0
let x %= 0
call assert_equal(0, x)
" Test for string
let x = 'str'
let x .= 'ing'