Add Keymap benchmark for handling an event with no binding

benchmark/benchmark-helper.coffee

@@ -70,30 +70,15 @@ window.waitsForPromise = (fn) ->
   window.waitsFor (moveOn) ->
     fn().done(moveOn)
 
-window.eventPropertiesForPattern = (pattern) ->
+window.keyIdentifierForKey = (key) ->
-  [modifiers..., key] = pattern.split '-'
+  if key.length > 1 # named key
-
+    key
-  modifiers.push 'shift' if key == key.toUpperCase() and key.toUpperCase() != key.toLowerCase()
-  charCode = key.toUpperCase().charCodeAt 0
-
-  isNamedKey = key.length > 1
-  if isNamedKey
-    keyIdentifier = key
   else
-    keyIdentifier = "U+00" + charCode.toString(16)
+    charCode = key.toUpperCase().charCodeAt(0)
+    "U+00" + charCode.toString(16)
 
-  ctrlKey: 'ctrl' in modifiers
+window.keydownEvent = (key, properties={}) ->
-  altKey: 'alt' in modifiers
+  $.Event "keydown", _.extend({originalEvent: { keyIdentifier: keyIdentifierForKey(key) }}, properties)
-  shiftKey: 'shift' in modifiers
-  metaKey: 'meta' in modifiers
-  which: charCode
-  originalEvent:
-    keyIdentifier: keyIdentifier
-
-window.keydownEvent = (pattern, properties={}) ->
-  event = $.Event "keydown", _.extend(eventPropertiesForPattern(pattern), properties)
-  # event.keystroke = (new Keymap).keystrokeStringForEvent(event)
-  event
 
 window.clickEvent = (properties={}) ->
   $.Event "click", properties

benchmark/benchmark-suite.coffee

@@ -23,6 +23,15 @@ describe "editor.", ->
     window.shutdown()
     atom.setRootViewStateForPath(rootView.project.getPath(), null)
 
+  describe "keymap.", ->
+    event = null
+
+    beforeEach ->
+      event = keydownEvent('x', target: editor.hiddenInput[0])
+
+    benchmark "keydown-event-with-no-binding", 10, ->
+      keymap.handleKeyEvent(event)
+
   describe "opening-buffers.", ->
     benchmark "300-line-file.", ->
       buffer = rootView.project.bufferForPath('medium.coffee')