Mercurial > vim
diff src/testdir/test_vimscript.vim @ 15790:05d836c8f1c4 v8.1.0902
patch 8.1.0902: incomplete set of assignment operators
commit https://github.com/vim/vim/commit/ff697e6cef8ced7717a21fd525ab3200b2f1724f
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Feb 12 22:28:33 2019 +0100
patch 8.1.0902: incomplete set of assignment operators
Problem: Incomplete set of assignment operators.
Solution: Add /=, *= and %=. (Ozaki Kiichi, closes https://github.com/vim/vim/issues/3931)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Tue, 12 Feb 2019 22:30:08 +0100 |
parents | 63b02fcf1361 |
children | 9cc42db77a54 |
line wrap: on
line diff
--- a/src/testdir/test_vimscript.vim +++ b/src/testdir/test_vimscript.vim @@ -1441,6 +1441,84 @@ func Test_script_local_func() enew! | close endfunc +func Test_compound_assignment_operators() + " Test for number + let x = 1 + let x += 10 + call assert_equal(11, x) + let x -= 5 + call assert_equal(6, x) + let x *= 4 + call assert_equal(24, x) + let x /= 3 + call assert_equal(8, x) + let x %= 3 + call assert_equal(2, x) + let x .= 'n' + call assert_equal('2n', x) + + " Test for string + let x = 'str' + let x .= 'ing' + call assert_equal('string', x) + let x += 1 + call assert_equal(1, x) + let x -= 1.5 + call assert_equal(-0.5, x) + + if has('float') + " Test for float + let x = 0.5 + let x += 4.5 + call assert_equal(5.0, x) + let x -= 1.5 + call assert_equal(3.5, x) + let x *= 3.0 + call assert_equal(10.5, x) + let x /= 2.5 + call assert_equal(4.2, x) + call assert_fails('let x %= 0.5', 'E734') + call assert_fails('let x .= "f"', 'E734') + endif + + " Test for environment variable + let $FOO = 1 + call assert_fails('let $FOO += 1', 'E734') + call assert_fails('let $FOO -= 1', 'E734') + call assert_fails('let $FOO *= 1', 'E734') + call assert_fails('let $FOO /= 1', 'E734') + call assert_fails('let $FOO %= 1', 'E734') + let $FOO .= 's' + call assert_equal('1s', $FOO) + unlet $FOO + + " Test for option variable (type: number) + let &scrolljump = 1 + let &scrolljump += 5 + call assert_equal(6, &scrolljump) + let &scrolljump -= 2 + call assert_equal(4, &scrolljump) + let &scrolljump *= 3 + call assert_equal(12, &scrolljump) + let &scrolljump /= 2 + call assert_equal(6, &scrolljump) + let &scrolljump %= 5 + call assert_equal(1, &scrolljump) + call assert_fails('let &scrolljump .= "j"', 'E734') + set scrolljump&vim + + " Test for register + let @/ = 1 + call assert_fails('let @/ += 1', 'E734') + call assert_fails('let @/ -= 1', 'E734') + call assert_fails('let @/ *= 1', 'E734') + call assert_fails('let @/ /= 1', 'E734') + call assert_fails('let @/ %= 1', 'E734') + let @/ .= 's' + call assert_equal('1s', @/) + let @/ = '' +endfunc + "------------------------------------------------------------------------------- " Modelines {{{1 " vim: ts=8 sw=4 tw=80 fdm=marker