2020-12-21 21:56:10 -07:00
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" Test signal handling.
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if !has('unix')
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finish
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endif
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2020-12-21 21:59:58 -07:00
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if has('gui_running')
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" Signals only work for terminals, and won't work for GUI.
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finish
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endif
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2020-12-21 21:56:10 -07:00
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source shared.vim
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" Test signal WINCH (window resize signal)
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func Test_signal_WINCH()
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throw 'skipped: Nvim cannot avoid terminal resize'
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let signals = system('kill -l')
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if signals !~ '\<WINCH\>'
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" signal WINCH is not available, skip the test.
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return
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endif
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" We do not actually want to change the size of the terminal.
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let old_WS = ''
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if exists('&t_WS')
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let old_WS = &t_WS
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let &t_WS = ''
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endif
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let old_lines = &lines
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let old_columns = &columns
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let new_lines = &lines - 2
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let new_columns = &columns - 2
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exe 'set lines=' . new_lines
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exe 'set columns=' . new_columns
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call assert_equal(new_lines, &lines)
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call assert_equal(new_columns, &columns)
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" Send signal and wait for signal to be processed.
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" 'lines' and 'columns' should have been restored
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" after handing signal WINCH.
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exe 'silent !kill -s WINCH ' . getpid()
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call WaitForAssert({-> assert_equal(old_lines, &lines)})
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call assert_equal(old_columns, &columns)
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if old_WS != ''
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let &t_WS = old_WS
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endif
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endfunc
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