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comparison src/testdir/test_vimscript.vim @ 15969:9cc42db77a54 v8.1.0990

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patch 8.1.0990: floating point exception with "%= 0" and "/= 0" commit https://github.com/vim/vim/commit/e21c1580b7acb598a6e3c38565434fe5d0e2ad7a Author: Bram Moolenaar <Bram@vim.org> Date: Sat Mar 2 11:57:09 2019 +0100 patch 8.1.0990: floating point exception with "%= 0" and "/= 0" Problem: Floating point exception with "%= 0" and "/= 0". Solution: Avoid dividing by zero. (Dominique Pelle, closes https://github.com/vim/vim/issues/4058)
author Bram Moolenaar <Bram@vim.org>
date Sat, 02 Mar 2019 12:00:06 +0100
parents 05d836c8f1c4
children d13aa9c5a1d1
comparison
equal deleted inserted replaced
15968:867ac4696428 15969:9cc42db77a54
19 19
20 " MakeScript() - Make a script file from a function. {{{2 20 " MakeScript() - Make a script file from a function. {{{2
21 " 21 "
22 " Create a script that consists of the body of the function a:funcname. 22 " Create a script that consists of the body of the function a:funcname.
23 " Replace any ":return" by a ":finish", any argument variable by a global 23 " Replace any ":return" by a ":finish", any argument variable by a global
24 " variable, and and every ":call" by a ":source" for the next following argument 24 " variable, and every ":call" by a ":source" for the next following argument
25 " in the variable argument list. This function is useful if similar tests are 25 " in the variable argument list. This function is useful if similar tests are
26 " to be made for a ":return" from a function call or a ":finish" in a script 26 " to be made for a ":return" from a function call or a ":finish" in a script
27 " file. 27 " file.
28 func MakeScript(funcname, ...) 28 func MakeScript(funcname, ...)
29 let script = tempname() 29 let script = tempname()
1455 let x %= 3 1455 let x %= 3
1456 call assert_equal(2, x) 1456 call assert_equal(2, x)
1457 let x .= 'n' 1457 let x .= 'n'
1458 call assert_equal('2n', x) 1458 call assert_equal('2n', x)
1459 1459
1460 " Test special cases: division or modulus with 0.
1461 let x = 1
1462 let x /= 0
1463 if has('num64')
1464 call assert_equal(0x7FFFFFFFFFFFFFFF, x)
1465 else
1466 call assert_equal(0x7fffffff, x)
1467 endif
1468
1469 let x = -1
1470 let x /= 0
1471 if has('num64')
1472 call assert_equal(-0x7FFFFFFFFFFFFFFF, x)
1473 else
1474 call assert_equal(-0x7fffffff, x)
1475 endif
1476
1477 let x = 0
1478 let x /= 0
1479 if has('num64')
1480 call assert_equal(-0x7FFFFFFFFFFFFFFF - 1, x)
1481 else
1482 call assert_equal(-0x7FFFFFFF - 1, x)
1483 endif
1484
1485 let x = 1
1486 let x %= 0
1487 call assert_equal(0, x)
1488
1489 let x = -1
1490 let x %= 0
1491 call assert_equal(0, x)
1492
1493 let x = 0
1494 let x %= 0
1495 call assert_equal(0, x)
1496
1460 " Test for string 1497 " Test for string
1461 let x = 'str' 1498 let x = 'str'
1462 let x .= 'ing' 1499 let x .= 'ing'
1463 call assert_equal('string', x) 1500 call assert_equal('string', x)
1464 let x += 1 1501 let x += 1