commit 92b83ccfda7a1d654ccaaf161a9c8a8e01fbcf76
author Bram Moolenaar <Bram@vim.org> Sat Apr 25 15:24:44 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Apr 25 15:24:44 2020 +0200
tree 92daff824edb3982d06e20aa33e3b2c8fe3331ed
parent 9d8d0b5c644ea53364d04403740b3f23e57c1497

patch 8.2.0634: crash with null partial and blob

Problem:    Crash with null partial and blob.
Solution:   Check for NULL pointer.  Add more tests. (Yegappan Lakshmanan,
            closes #5984)

src/testdir/test_tabpage.vim

diff --git a/src/testdir/test_tabpage.vim b/src/testdir/test_tabpage.vim
index 35c9fd0..80cc8e5 100644
--- a/src/testdir/test_tabpage.vim
+++ b/src/testdir/test_tabpage.vim
@@ -130,6 +130,8 @@
   1tabmove
   call assert_equal(2, tabpagenr())
 
+  call assert_fails('let t = tabpagenr("#")', 'E15:')
+  call assert_equal(0, tabpagewinnr(-1))
   call assert_fails("99tabmove", 'E16:')
   call assert_fails("+99tabmove", 'E16:')
   call assert_fails("-99tabmove", 'E16:')