Wrap tabs on :tab-move +/- if tabs->wrap is true.

qutebrowser/browser/commands.py

@@ -900,6 +900,8 @@ class CommandDispatcher:
                 new_idx = self._current_index() - delta
             elif direction == '+':  # pragma: no branch
                 new_idx = self._current_index() + delta
+            if config.get('tabs', 'wrap'):
+                new_idx = new_idx % self._count()
         else:  # pragma: no cover
             raise ValueError("Invalid direction '{}'!".format(direction))
 

tests/integration/features/tabs.feature

@@ -384,7 +384,8 @@ Feature: Tab management
             - data/numbers/2.txt
 
     Scenario: :tab-move with relative position and too big count.
-        When I open data/numbers/1.txt
+        When I set tabs -> wrap to false
+        And I open data/numbers/1.txt
         And I open data/numbers/2.txt in a new tab
         And I open data/numbers/3.txt in a new tab
         And I run :tab-focus 1