| Bram Moolenaar | db77b84 | 2019-03-24 14:58:31 +0100 | [diff] [blame] | 1 | " Test signal handling. |
| 2 | |
| 3 | if !has('unix') |
| 4 | finish |
| 5 | endif |
| 6 | |
| 7 | source shared.vim |
| 8 | |
| 9 | " Test signal WINCH (window resize signal) |
| 10 | func Test_signal_WINCH() |
| 11 | let signals = system('kill -l') |
| 12 | if signals !~ '\<WINCH\>' |
| 13 | " signal WINCH is not available, skip the test. |
| 14 | return |
| 15 | endif |
| 16 | |
| 17 | " We do not actually want to change the size of the terminal. |
| 18 | let old_WS = '' |
| 19 | if exists('&t_WS') |
| 20 | let old_WS = &t_WS |
| 21 | let &t_WS = '' |
| 22 | endif |
| 23 | |
| 24 | let old_lines = &lines |
| 25 | let old_columns = &columns |
| 26 | let new_lines = &lines - 2 |
| 27 | let new_columns = &columns - 2 |
| 28 | |
| 29 | exe 'set lines=' . new_lines |
| 30 | exe 'set columns=' . new_columns |
| 31 | call assert_equal(new_lines, &lines) |
| 32 | call assert_equal(new_columns, &columns) |
| 33 | |
| 34 | " Send signal and wait for signal to be processed. |
| 35 | " 'lines' and 'columns' should have been restored |
| 36 | " after handing signal WINCH. |
| 37 | exe 'silent !kill -s WINCH ' . getpid() |
| 38 | call WaitForAssert({-> assert_equal(old_lines, &lines)}) |
| 39 | call assert_equal(old_columns, &columns) |
| 40 | |
| 41 | if old_WS != '' |
| 42 | let &t_WS = old_WS |
| 43 | endif |
| 44 | endfunc |