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eval: Forbid (un)locking b:changedtick

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Port of vim-patch:8.0.0343
This commit is contained in:
ZyX
2017-02-23 00:59:11 +03:00
parent 9668d26a43
commit d8a7e5fdbb
3 changed files with 18 additions and 7 deletions
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12
test/functional/eval/changedtick_spec.lua
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@@ -101,19 +101,21 @@ describe('b:changedtick', function()
redir_exec(':let b:'))
end)
it('fails to unlock b:changedtick', function()
-- Note:
-- - unlocking VAR_FIXED variables is not an error.
-- - neither VAR_FIXED variables are reported as locked by islocked().
-- So test mostly checks that b:changedtick status does not change.
eq(0, exc_exec('let d = b:'))
eq(0, funcs.islocked('b:changedtick'))
eq(0, funcs.islocked('d.changedtick'))
eq('',
eq('\nE940: Cannot lock or unlock variable b:changedtick',
redir_exec('unlockvar b:changedtick'))
eq('\nE46: Cannot change read-only variable "d.changedtick"',
redir_exec('unlockvar d.changedtick'))
eq(0, funcs.islocked('b:changedtick'))
eq(0, funcs.islocked('d.changedtick'))
eq('\nE940: Cannot lock or unlock variable b:changedtick',
redir_exec('lockvar b:changedtick'))
eq('\nE46: Cannot change read-only variable "d.changedtick"',
redir_exec('lockvar d.changedtick'))
eq(0, funcs.islocked('b:changedtick'))
eq(0, funcs.islocked('d.changedtick'))
end)
it('is being completed', function()
feed(':echo b:<Tab><Home>let cmdline="<End>"<CR>')