Mercurial > vim
diff src/testdir/test_environ.vim @ 28459:52ef65c0637f v8.2.4754
patch 8.2.4754: using cached values after unsetting some environment variables
Commit: https://github.com/vim/vim/commit/7714231bb5b15f7c85453f3945c108478de1d08a
Author: LemonBoy <thatlemon@gmail.com>
Date: Fri Apr 15 20:50:46 2022 +0100
patch 8.2.4754: using cached values after unsetting some environment variables
Problem: Still using cached values after unsetting some known environment
variables.
Solution: Take care of the side effects. (closes #10194)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Fri, 15 Apr 2022 22:00:03 +0200 |
| parents | 68115baaf9e4 |
| children | e3ab1d0f2ef9 |
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--- a/src/testdir/test_environ.vim +++ b/src/testdir/test_environ.vim @@ -28,6 +28,26 @@ func Test_setenv() call assert_equal(v:null, getenv('TEST ENV')) endfunc +func Test_special_env() + " The value for $HOME is cached internally by Vim, ensure the value is up to + " date. + let orig_ENV = $HOME + + let $HOME = 'foo' + call assert_equal('foo', expand('~')) + " old $HOME value is kept until a new one is set + unlet $HOME + call assert_equal('foo', expand('~')) + + call setenv('HOME', 'bar') + call assert_equal('bar', expand('~')) + " old $HOME value is kept until a new one is set + call setenv('HOME', v:null) + call assert_equal('bar', expand('~')) + + let $HOME = orig_ENV +endfunc + func Test_external_env() call setenv('FOO', 'HelloWorld') if has('win32')