Merge pull request #80 from JackCA/fix-option-destroy-without-select

Fix issue with unregisterOption (with Test)

addon/components/x-option.js

@@ -70,6 +70,9 @@ export default Ember.Component.extend({
    */
   willDestroyElement: function() {
     this._super.apply(this, arguments);
-    this.get('select').unregisterOption(this);
+    let select = this.get('select');
+    if(select) {
+      select.unregisterOption(this);
+    }
   }
 });

tests/unit/components/x-option-test.js

@@ -0,0 +1,23 @@
+/* jshint expr:true */
+import { expect } from 'chai';
+import {
+  describeComponent,
+  it
+} from 'ember-mocha';
+
+
+describeComponent(
+  'x-option',
+  'XOptionComponent',
+  {
+    needs: []
+  },
+  function() {
+    it('does not blow up when destroyed before rendered', function() {
+      var component = this.subject();
+      expect(function() {
+        component.willDestroyElement();
+      }).not.to.throw();
+    });
+  }
+);