patch 8.2.3276: Vim9: exists() can only be evaluated at runtime
Problem: Vim9: exists() can only be evaluated at runtime.
Solution: Evaluate at compile time for option name literals. (closes #8437)
diff --git a/src/testdir/test_vim9_builtin.vim b/src/testdir/test_vim9_builtin.vim
index f4d7448..19baada 100644
--- a/src/testdir/test_vim9_builtin.vim
+++ b/src/testdir/test_vim9_builtin.vim
@@ -790,6 +790,25 @@
def Test_exists()
CheckDefAndScriptFailure2(['exists(10)'], 'E1013: Argument 1: type mismatch, expected string but got number', 'E1174: String required for argument 1')
call assert_equal(1, exists('&tabstop'))
+
+ if exists('+newoption')
+ if &newoption == 'ok'
+ endif
+ endif
+ if exists('&newoption')
+ if &newoption == 'ok'
+ endif
+ endif
+ if exists('+tabstop')
+ assert_equal(8, &tabstop)
+ else
+ assert_report('tabstop option not existing?')
+ endif
+ if exists('&tabstop')
+ assert_equal(8, &tabstop)
+ else
+ assert_report('tabstop option not existing?')
+ endif
enddef
def Test_expand()