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patch 8.0.1237: ":set scroll&" often gives an error
Problem: ":set scroll&" often gives an error. Solution: Don't use a fixed default value, use half the window height. Add a test. (Ozaki Kiichi, closes #2104)
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Original file line number | Diff line number | Diff line change |
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" Test for reset 'scroll' | ||
" | ||
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func Test_reset_scroll() | ||
let scr = &l:scroll | ||
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setlocal scroll=1 | ||
setlocal scroll& | ||
call assert_equal(scr, &l:scroll) | ||
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setlocal scroll=1 | ||
setlocal scroll=0 | ||
call assert_equal(scr, &l:scroll) | ||
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try | ||
execute 'setlocal scroll=' . (winheight(0) + 1) | ||
" not reached | ||
call assert_false(1) | ||
catch | ||
call assert_exception('E49:') | ||
endtry | ||
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split | ||
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let scr = &l:scroll | ||
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setlocal scroll=1 | ||
setlocal scroll& | ||
call assert_equal(scr, &l:scroll) | ||
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setlocal scroll=1 | ||
setlocal scroll=0 | ||
call assert_equal(scr, &l:scroll) | ||
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quit! | ||
endfunc |
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