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diff src/testdir/test_vim9_assign.vim @ 25453:21b70bab366c v8.2.3263

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patch 8.2.3263: Vim9: "..=" does not accept same types as the ".." operator Commit: https://github.com/vim/vim/commit/f5d52c90e0f2f51622a911b646024b2ad1225ed4 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jul 31 22:51:10 2021 +0200 patch 8.2.3263: Vim9: "..=" does not accept same types as the ".." operator Problem: Vim9: "..=" does not accept same types as the ".." operator. Solution: Convert value to string like ".." does. (issue https://github.com/vim/vim/issues/8664)
author Bram Moolenaar <Bram@vim.org>
date Sat, 31 Jul 2021 23:00:04 +0200
parents 747ebbce2421
children 9adaa0c056c7
line wrap: on
line diff
--- a/src/testdir/test_vim9_assign.vim
+++ b/src/testdir/test_vim9_assign.vim
@@ -239,6 +239,32 @@ def Test_assignment()
   END
 enddef
 
+let g:someNumber = 43
+
+def Test_assign_concat()
+  var lines =<< trim END
+    var s = '-'
+    s ..= 99
+    s ..= true
+    s ..= '-'
+    s ..= v:null
+    s ..= g:someNumber
+    assert_equal('-99true-null43', s)
+  END
+  CheckDefAndScriptSuccess(lines)
+
+  lines =<< trim END
+    var s = '-'
+    s ..= [1, 2]
+  END
+  CheckDefAndScriptFailure2(lines, 'E1105: Cannot convert list to string', 'E734: Wrong variable type for .=', 2)
+  lines =<< trim END
+    var s = '-'
+    s ..= {a: 2}
+  END
+  CheckDefAndScriptFailure2(lines, 'E1105: Cannot convert dict to string', 'E734: Wrong variable type for .=', 2)
+enddef
+
 def Test_assign_register()
   var lines =<< trim END
     @c = 'areg'