Added debug() logging for next/prev-tab and test scenarios

qutebrowser/browser/commands.py

@@ -1021,6 +1021,8 @@ class CommandDispatcher:
             self._set_current_index(newidx)
         elif config.val.tabs.wrap:
             self._set_current_index(newidx % self._count())
+        else:
+            log.webview.debug("First tab")
 
     @cmdutils.register(instance='command-dispatcher', scope='window')
     @cmdutils.argument('count', count=True)
@@ -1039,6 +1041,8 @@ class CommandDispatcher:
             self._set_current_index(newidx)
         elif config.val.tabs.wrap:
             self._set_current_index(newidx % self._count())
+        else:
+            log.webview.debug("Last tab")
 
     def _resolve_buffer_index(self, index):
         """Resolve a buffer index to the tabbedbrowser and tab.

tests/end2end/features/tabs.feature

@@ -332,6 +332,18 @@ Feature: Tab management
             - data/numbers/2.txt
             - data/numbers/3.txt (active)
 
+    Scenario: :tab-prev on first tab without wrap
+        When I set tabs.wrap to false
+        And I open data/numbers/1.txt
+        And I run :tab-prev
+        Then "First tab" should be logged
+
+    Scenario: :tab-next with last tab without wrap
+        When I set tabs.wrap to false
+        And I open data/numbers/1.txt
+        And I run :tab-next
+        Then "Last tab" should be logged
+
     Scenario: :tab-prev on first tab with wrap
         When I set tabs.wrap to true
         And I open data/numbers/1.txt