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patch 8.2.2304: Vim9: no test for unletting an imported variable

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Problem:    Vim9: no test for unletting an imported variable.
Solution:   Add a test.  Fix line number in error.
This commit is contained in:
Bram Moolenaar
2021-01-05 20:58:25 +01:00
parent ecac591cce
commit 0acbf5ae66
3 changed files with 44 additions and 12 deletions
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49
src/testdir/test_vim9_assign.vim
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@@ -1349,6 +1349,11 @@ def Test_unlet()
assert_false(exists('s:somevar'))
unlet! s:somevar
CheckDefExecFailure([
'var dd = 111',
'unlet dd',
], 'E1081:', 2)
# dict unlet
var dd = {a: 1, b: 2, c: 3}
unlet dd['a']
@@ -1367,21 +1372,29 @@ def Test_unlet()
assert_equal([{a: 1}, {c: 3}], dl)
CheckDefExecFailure([
'var ll = test_null_list()',
'unlet ll[0]',
], 'E684:')
'var ll = test_null_list()',
'unlet ll[0]',
], 'E684:', 2)
CheckDefExecFailure([
'var ll = [1]',
'unlet ll[2]',
], 'E684:')
'var ll = [1]',
'unlet ll[2]',
], 'E684:', 2)
CheckDefExecFailure([
'var dd = test_null_dict()',
'unlet dd["a"]',
], 'E716:')
'var ll = [1]',
'unlet ll[g:astring]',
], 'E39:', 2)
CheckDefExecFailure([
'var dd = {a: 1}',
'unlet dd["b"]',
], 'E716:')
'var dd = test_null_dict()',
'unlet dd["a"]',
], 'E716:', 2)
CheckDefExecFailure([
'var dd = {a: 1}',
'unlet dd["b"]',
], 'E716:', 2)
CheckDefExecFailure([
'var dd = {a: 1}',
'unlet dd[g:alist]',
], 'E1105:', 2)
# can compile unlet before variable exists
g:someDict = {key: 'val'}
@@ -1426,6 +1439,18 @@ def Test_unlet()
'defcompile',
], 'E1081:')
writefile(['vim9script', 'export var svar = 1234'], 'XunletExport.vim')
var lines =<< trim END
vim9script
import svar from './XunletExport.vim'
def UnletSvar()
unlet svar
enddef
defcompile
END
CheckScriptFailure(lines, 'E1081:', 1)
delete('XunletExport.vim')
$ENVVAR = 'foobar'
assert_equal('foobar', $ENVVAR)
unlet $ENVVAR