patch 8.2.2583: Vim9: cannot compare result of getenv() with null
Problem: Vim9: cannot compare result of getenv() with null.
Solution: Make the return type of getenv() "any". (closes #7943)
diff --git a/src/testdir/test_vim9_builtin.vim b/src/testdir/test_vim9_builtin.vim
index 3ee8a62..8ec3db1 100644
--- a/src/testdir/test_vim9_builtin.vim
+++ b/src/testdir/test_vim9_builtin.vim
@@ -472,6 +472,19 @@
getchar(true)->assert_equal(0)
enddef
+def Test_getenv()
+ if getenv('does-not_exist') == ''
+ assert_report('getenv() should return null')
+ endif
+ if getenv('does-not_exist') == null
+ else
+ assert_report('getenv() should return null')
+ endif
+ $SOMEENVVAR = 'some'
+ assert_equal('some', getenv('SOMEENVVAR'))
+ unlet $SOMEENVVAR
+enddef
+
def Test_getcompletion()
set wildignore=*.vim,*~
var l = getcompletion('run', 'file', true)