From 14fb2ef4fbe81b3df18a4e5c22661dc71e660b46 Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Tue, 16 Apr 2024 09:32:36 +0800
Subject: [PATCH] vim-patch:8.2.3415: Vim9: not all function argument types are
 properly checked (#28362)

Problem:    Vim9: Not all function argument types are properly checked.
Solution:   Add and improve argument type checks. (Yegappan Lakshmanan,
            closes vim/vim#8839)

https://github.com/vim/vim/commit/fc3b775055c2361e507a1a44008d5a7d37eecf14

Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
---
 test/old/testdir/test_digraph.vim | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/test/old/testdir/test_digraph.vim b/test/old/testdir/test_digraph.vim
index 8229248f7f..ad2887fc92 100644
--- a/test/old/testdir/test_digraph.vim
+++ b/test/old/testdir/test_digraph.vim
@@ -539,6 +539,8 @@ func Test_digraph_set_function()
   call assert_fails('call digraph_set("あ", "あ")', 'E1214: Digraph must be just two characters: あ')
   call assert_fails('call digraph_set("aa", "ああ")', 'E1215: Digraph must be one character: ああ')
   call assert_fails('call digraph_set("aa", "か" .. nr2char(0x3099))',  'E1215: Digraph must be one character: か' .. nr2char(0x3099))
+  call assert_fails('call digraph_set(v:_null_string, "い")',  'E1214: Digraph must be just two characters')
+  call assert_fails('call digraph_set("aa", 0z10)',  'E976: Using a Blob as a String')
   bwipe!
 endfunc
 
@@ -556,6 +558,8 @@ func Test_digraph_get_function()
   call assert_equal('う', digraph_get('  '))
   call assert_fails('call digraph_get("aaa")', 'E1214: Digraph must be just two characters: aaa')
   call assert_fails('call digraph_get("b")', 'E1214: Digraph must be just two characters: b')
+  call assert_fails('call digraph_get(v:_null_string)', 'E1214: Digraph must be just two characters:')
+  call assert_fails('call digraph_get(0z10)', 'E976: Using a Blob as a String')
 endfunc
 
 func Test_digraph_get_function_encode()
@@ -580,8 +584,12 @@ func Test_digraph_setlist_function()
   call assert_equal('く', digraph_get('bb'))
 
   call assert_fails('call digraph_setlist([[]])', 'E1216:')
-  call assert_fails('call digraph_setlist([["aa", "b", "cc"]])', '1216:')
+  call assert_fails('call digraph_setlist([["aa", "b", "cc"]])', 'E1216:')
   call assert_fails('call digraph_setlist([["あ", "あ"]])', 'E1214: Digraph must be just two characters: あ')
+  call assert_fails('call digraph_setlist([v:_null_list])', 'E1216:')
+  call assert_fails('call digraph_setlist({})', 'E1216:')
+  call assert_fails('call digraph_setlist([{}])', 'E1216:')
+  call assert_true(digraph_setlist(v:_null_list))
 endfunc
 
 func Test_digraph_getlist_function()
@@ -596,6 +604,8 @@ func Test_digraph_getlist_function()
   " of digraphs returned.
   call assert_equal(digraph_getlist()->len(), digraph_getlist(0)->len())
   call assert_notequal((digraph_getlist()->len()), digraph_getlist(1)->len())
+
+  call assert_fails('call digraph_getlist(0z12)', 'E974: Using a Blob as a Number')
 endfunc