From b3a14a71b095f9ad2abffbc9b61ae574907f2c21 Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Mon, 7 Feb 2022 05:34:20 +0800
Subject: [PATCH] vim-patch:7.4.1167

Problem:    No tests for "is" and "isnot" with the new variables.
Solution:   Add tests.
https://github.com/vim/vim/commit/04369229657f182d35b471eb8b38f273a4d9ef65

Comment out tests involving v:none as Nvim has removed it.
---
 src/nvim/testdir/test_vimscript.vim | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/nvim/testdir/test_vimscript.vim b/src/nvim/testdir/test_vimscript.vim
index fc95d70a88..674a28f154 100644
--- a/src/nvim/testdir/test_vimscript.vim
+++ b/src/nvim/testdir/test_vimscript.vim
@@ -1178,6 +1178,30 @@ func Test_type()
     call assert_false(v:null != 0)
     " call assert_true(v:none == 0)
     " call assert_false(v:none != 0)
+
+    call assert_true(v:false is v:false)
+    call assert_true(v:true is v:true)
+    " call assert_true(v:none is v:none)
+    call assert_true(v:null is v:null)
+
+    call assert_false(v:false isnot v:false)
+    call assert_false(v:true isnot v:true)
+    " call assert_false(v:none isnot v:none)
+    call assert_false(v:null isnot v:null)
+
+    call assert_false(v:false is 0)
+    call assert_false(v:true is 1)
+    call assert_false(v:true is v:false)
+    " call assert_false(v:none is 0)
+    call assert_false(v:null is 0)
+    " call assert_false(v:null is v:none)
+
+    call assert_true(v:false isnot 0)
+    call assert_true(v:true isnot 1)
+    call assert_true(v:true isnot v:false)
+    " call assert_true(v:none isnot 0)
+    call assert_true(v:null isnot 0)
+    " call assert_true(v:null isnot v:none)
 endfunc
 
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