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fix(api): make nil value in nvim_set_option_value clear local value (#16710)

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For special options such as 'undolevels' and 'scrolloff', this sets the
local value to the special "unset" value (e.g. -12345 for 'undolevels').
This commit is contained in:
Gregory Anders
2021-12-21 14:20:34 -07:00
committed by GitHub
parent 1b04da52b3
commit 33cd1ba00a
4 changed files with 66 additions and 5 deletions
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34
test/functional/api/vim_spec.lua
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@@ -974,6 +974,40 @@ describe('API', function()
eq('hello', nvim('get_option_value', 'makeprg', {}))
eq('', nvim('get_option_value', 'makeprg', {scope = 'local'}))
end)
it('clears the local value of an option with nil', function()
-- Set global value
nvim('set_option_value', 'shiftwidth', 42, {})
eq(42, nvim('get_option_value', 'shiftwidth', {}))
-- Set local value
nvim('set_option_value', 'shiftwidth', 8, {scope = 'local'})
eq(8, nvim('get_option_value', 'shiftwidth', {}))
eq(8, nvim('get_option_value', 'shiftwidth', {scope = 'local'}))
eq(42, nvim('get_option_value', 'shiftwidth', {scope = 'global'}))
-- Clear value without scope
nvim('set_option_value', 'shiftwidth', NIL, {})
eq(42, nvim('get_option_value', 'shiftwidth', {}))
eq(42, nvim('get_option_value', 'shiftwidth', {scope = 'local'}))
-- Clear value with explicit scope
nvim('set_option_value', 'shiftwidth', 8, {scope = 'local'})
nvim('set_option_value', 'shiftwidth', NIL, {scope = 'local'})
eq(42, nvim('get_option_value', 'shiftwidth', {}))
eq(42, nvim('get_option_value', 'shiftwidth', {scope = 'local'}))
-- Now try with options with a special "local is unset" value (e.g. 'undolevels')
nvim('set_option_value', 'undolevels', 1000, {})
eq(1000, nvim('get_option_value', 'undolevels', {scope = 'local'}))
nvim('set_option_value', 'undolevels', NIL, {scope = 'local'})
eq(-123456, nvim('get_option_value', 'undolevels', {scope = 'local'}))
nvim('set_option_value', 'autoread', true, {})
eq(true, nvim('get_option_value', 'autoread', {scope = 'local'}))
nvim('set_option_value', 'autoread', NIL, {scope = 'local'})
eq(NIL, nvim('get_option_value', 'autoread', {scope = 'local'}))
end)
end)
describe('nvim_{get,set}_current_buf, nvim_list_bufs', function()