Return false if either character is whitespace

spec/editor-spec.coffee

@@ -456,6 +456,13 @@ describe "Editor", ->
           editor.renderedLines.trigger 'mouseup'
           expect(editor.getSelectedText()).toBe "items"
 
+          editor.setCursorBufferPosition([0, 0])
+          editor.renderedLines.trigger mousedownEvent(editor: editor, point: [0, 28], originalEvent: {detail: 1})
+          editor.renderedLines.trigger 'mouseup'
+          editor.renderedLines.trigger mousedownEvent(editor: editor, point: [0, 28], originalEvent: {detail: 2})
+          editor.renderedLines.trigger 'mouseup'
+          expect(editor.getSelectedText()).toBe "{"
+
     describe "triple/quardruple/etc-click", ->
       it "selects the line under the cursor", ->
         expect(editor.getCursorScreenPosition()).toEqual(row: 0, column: 0)

src/cursor.coffee

@@ -141,6 +141,9 @@ class Cursor
   # character. The non-word characters are defined by the
   # `editor.nonWordCharacters` config value.
   #
+  # This method returns false if the character before or after the cursor is
+  # whitespace.
+  #
   # Returns a Boolean.
   isBetweenWordAndNonWord: ->
     return false if @isAtBeginningOfLine() or @isAtEndOfLine()
@@ -148,11 +151,10 @@ class Cursor
     {row, column} = @getBufferPosition()
     range = [[row, column - 1], [row, column + 1]]
     [before, after] = @editSession.getTextInBufferRange(range)
-    if before and after
-      nonWordCharacters = config.get('editor.nonWordCharacters').split('')
-      _.contains(nonWordCharacters, before) isnt _.contains(nonWordCharacters, after)
-    else
-      false
+    return false if /\s/.test(before) or /\s/.test(after)
+
+    nonWordCharacters = config.get('editor.nonWordCharacters').split('')
+    _.contains(nonWordCharacters, before) isnt _.contains(nonWordCharacters, after)
 
   # Public: Returns whether this cursor is between a word's start and end.
   isInsideWord: ->