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patch 8.2.1355: Vim9: no error using :let for options and registers

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Problem:    Vim9: no error using :let for options and registers.
Solution:   Give an error. (closes #6568)
This commit is contained in:
Bram Moolenaar
2020-08-02 16:59:00 +02:00
parent aa970abd0a
commit c2ee44cc38
4 changed files with 36 additions and 48 deletions
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5
src/testdir/test_vim9_script.vim
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@@ -463,13 +463,16 @@ def Test_assignment_failure()
'[x, y; z] = [1]'], 'E1093:')
call CheckDefFailure(['let somevar'], "E1022:")
call CheckDefFailure(['let &option'], 'E1052:')
call CheckDefFailure(['let &tabstop = 4'], 'E1052:')
call CheckDefFailure(['&g:option = 5'], 'E113:')
call CheckScriptFailure(['vim9script', 'let &tabstop = 4'], 'E1052:')
call CheckDefFailure(['let $VAR = 5'], 'E1016: Cannot declare an environment variable:')
call CheckScriptFailure(['vim9script', 'let $ENV = "xxx"'], 'E1016:')
call CheckDefFailure(['let @~ = 5'], 'E354:')
call CheckDefFailure(['let @a = 5'], 'E1066:')
call CheckScriptFailure(['vim9script', 'let @a = "abc"'], 'E1066:')
call CheckDefFailure(['let g:var = 5'], 'E1016: Cannot declare a global variable:')
call CheckDefFailure(['let w:var = 5'], 'E1016: Cannot declare a window variable:')