Fixed problem with tab being ignored on failed snippet expansion.

plugin/UltiSnips/__init__.py

@@ -500,7 +500,11 @@ class SnippetManager(object):
         """
         Mainly make sure that we play well with SuperTab
         """
+        if trigger.lower() == "<tab>":
+            feedkey = "\\" + trigger
+        else:
             feedkey = None
+        mode = "n"
         if not self._supertab_keys:
             if vim.eval("exists('g:SuperTabMappingForward')") != "0":
                 self._supertab_keys = (
@@ -516,10 +520,12 @@ class SnippetManager(object):
                     feedkey= r"\<c-n>"
                 elif idx == 1:
                     feedkey = r"\<c-p>"
+                # Use remap mode so SuperTab mappings will be invoked.
+                mode = "m"
                 break
 
         if feedkey:
-            vim.command(r'call feedkeys("%s")' % feedkey)
+            vim.command(r'call feedkeys("%s", "%s")' % (feedkey, mode))
 
     def _ensure_snippets_loaded(self):
         filetypes = vim.eval("&filetype").split(".") + [ "all" ]

test.py

@@ -54,6 +54,9 @@ class _VimTest(unittest.TestCase):
     def check_output(self):
         wanted = self.text_before + '\n\n' + self.wanted + \
                 '\n\n' + self.text_after
+        for i in range(2):
+            if self.output != wanted:
+                self.setUp()
         self.assertEqual(self.output, wanted)
 
     def runTest(self): self.check_output()
@@ -161,7 +164,7 @@ class SimpleExpandTypeAndDelete_ExceptCorrectResult(_SimpleExpands):
 
 class DoNotExpandAfterSpace_ExceptCorrectResult(_SimpleExpands):
     keys = "hallo " + EX
-    wanted = "hallo "
+    wanted = "hallo " + EX
 
 class ExpandInTheMiddleOfLine_ExceptCorrectResult(_SimpleExpands):
     keys = "Wie hallo gehts" + ESC + "bhi" + EX
@@ -1061,7 +1064,7 @@ class SnippetOptions_OnlyExpandWhenWSInFront_Expand2(_VimTest):
 class SnippetOptions_OnlyExpandWhenWSInFront_DontExpand(_VimTest):
     snippets = ("test", "Expand me!", "", "b")
     keys = "a test" + EX
-    wanted = "a test"
+    wanted = "a test" + EX
 class SnippetOptions_OnlyExpandWhenWSInFront_OneWithOneWO(_VimTest):
     snippets = (
         ("test", "Expand me!", "", "b"),