patch 7.4.2237
Problem: Can't use "." and "$" with ":tab".
Solution: Support a range for ":tab". (Hirohito Higashi)
diff --git a/src/testdir/test_tabpage.vim b/src/testdir/test_tabpage.vim
index e6b85d6..f1c41e9 100644
--- a/src/testdir/test_tabpage.vim
+++ b/src/testdir/test_tabpage.vim
@@ -186,4 +186,36 @@
bw!
endfunction
+function Test_tabpage_with_tab_modifier()
+ for n in range(4)
+ tabedit
+ endfor
+
+ function s:check_tab(pre_nr, cmd, post_nr)
+ exec 'tabnext ' . a:pre_nr
+ exec a:cmd
+ call assert_equal(a:post_nr, tabpagenr())
+ call assert_equal('help', &filetype)
+ helpclose
+ endfunc
+
+ call s:check_tab(1, 'tab help', 2)
+ call s:check_tab(1, '3tab help', 4)
+ call s:check_tab(1, '.tab help', 2)
+ call s:check_tab(1, '.+1tab help', 3)
+ call s:check_tab(1, '0tab help', 1)
+ call s:check_tab(2, '+tab help', 4)
+ call s:check_tab(2, '+2tab help', 5)
+ call s:check_tab(4, '-tab help', 4)
+ call s:check_tab(4, '-2tab help', 3)
+ call s:check_tab(3, '$tab help', 6)
+ call assert_fails('99tab help', 'E16:')
+ call assert_fails('+99tab help', 'E16:')
+ call assert_fails('-99tab help', 'E16:')
+
+ delfunction s:check_tab
+ tabonly!
+ bw!
+endfunction
+
" vim: shiftwidth=2 sts=2 expandtab