Bram Moolenaar | 27a82e3 | 2016-01-02 21:39:09 +0100 | [diff] [blame^] | 1 | " Tests for 'backspace' settings |
| 2 | |
| 3 | :func Exec(expr) |
| 4 | let str='' |
| 5 | try |
| 6 | exec a:expr |
| 7 | catch /.*/ |
| 8 | let str=v:exception |
| 9 | endtry |
| 10 | return str |
| 11 | :endfunc |
| 12 | |
| 13 | func Test_backspace_option() |
| 14 | set backspace= |
| 15 | call assert_equal('', &backspace) |
| 16 | set backspace=indent |
| 17 | call assert_equal('indent', &backspace) |
| 18 | set backspace=eol |
| 19 | call assert_equal('eol', &backspace) |
| 20 | set backspace=start |
| 21 | call assert_equal('start', &backspace) |
| 22 | " Add the value |
| 23 | set backspace= |
| 24 | set backspace=indent |
| 25 | call assert_equal('indent', &backspace) |
| 26 | set backspace+=eol |
| 27 | call assert_equal('indent,eol', &backspace) |
| 28 | set backspace+=start |
| 29 | call assert_equal('indent,eol,start', &backspace) |
| 30 | " Delete the value |
| 31 | set backspace-=indent |
| 32 | call assert_equal('eol,start', &backspace) |
| 33 | set backspace-=start |
| 34 | call assert_equal('eol', &backspace) |
| 35 | set backspace-=eol |
| 36 | call assert_equal('', &backspace) |
| 37 | " Check the error |
| 38 | call assert_equal(0, match(Exec('set backspace=ABC'), '.*E474')) |
| 39 | call assert_equal(0, match(Exec('set backspace+=def'), '.*E474')) |
| 40 | " NOTE: Vim doesn't check following error... |
| 41 | "call assert_equal(0, match(Exec('set backspace-=ghi'), '.*E474')) |
| 42 | |
| 43 | " Check backwards compatibility with version 5.4 and earlier |
| 44 | set backspace=0 |
| 45 | call assert_equal('0', &backspace) |
| 46 | set backspace=1 |
| 47 | call assert_equal('1', &backspace) |
| 48 | set backspace=2 |
| 49 | call assert_equal('2', &backspace) |
| 50 | call assert_false(match(Exec('set backspace=3'), '.*E474')) |
| 51 | call assert_false(match(Exec('set backspace=10'), '.*E474')) |
| 52 | |
| 53 | " Cleared when 'compatible' is set |
| 54 | set compatible |
| 55 | call assert_equal('', &backspace) |
| 56 | endfunc |
| 57 | |
| 58 | " vim: tabstop=2 shiftwidth=0 expandtab |