Fix tests in editor

spec/editor-spec.coffee

@@ -777,6 +777,9 @@ describe "Editor", ->
           # resizes with the editor
           expect(editor.width()).toBeLessThan(800)
           editor.width(800)
+          editor.resize() # call to trigger the resize event.
+
+          region2 = selectionView.regions[1]
           expect(region2.width()).toBe(editor.renderedLines.outerWidth())
 
           region3 = selectionView.regions[2]
@@ -1332,7 +1335,7 @@ describe "Editor", ->
         setEditorWidthInChars(editor, maxLineLength)
         widthBefore = editor.renderedLines.width()
         expect(widthBefore).toBe editor.scrollView.width() + 20
-        buffer.change([[12,0], [12,0]], [1..maxLineLength*2].join(''))
+        buffer.change([[12,0], [12,0]], [1..maxLineLength*10].join(''))
         expect(editor.renderedLines.width()).toBeGreaterThan widthBefore
 
     describe "when lines are removed", ->

src/editor.coffee

@@ -773,8 +773,8 @@ class Editor extends View
     @subscribe $(window), "resize.editor-#{@id}", =>
       @setHeightInLines()
       @setWidthInChars()
-      @requestDisplayUpdate()
       @updateLayerDimensions()
+      @requestDisplayUpdate()
     @focus() if @isFocused
 
     if pane = @getPane()
@@ -1156,7 +1156,7 @@ class Editor extends View
       @verticalScrollbarContent.height(@layerHeight)
       @scrollBottom(height) if @scrollBottom() > height
 
-    minWidth = @scrollView.width()
+    minWidth = Math.max(@charWidth * @getMaxScreenLineLength() + 20, @scrollView.width())
     unless @layerMinWidth == minWidth
       @renderedLines.css('min-width', minWidth)
       @underlayer.css('min-width', minWidth)