From 21759b79de82cfce744209df7a524b0151ff0709 Mon Sep 17 00:00:00 2001
From: Gabriela Navarro <navarro1703@gmail.com>
Date: Fri, 12 Jun 2015 16:03:37 +0000
Subject: [PATCH] Fix JS that was trying to return something null

---
 features/article_visualization.feature | 30 ++++++++++++++++++++++++++++++
 public/javascripts/application.js      |  6 ++++--
 2 files changed, 34 insertions(+), 2 deletions(-)
 create mode 100644 features/article_visualization.feature

diff --git a/features/article_visualization.feature b/features/article_visualization.feature
new file mode 100644
index 0000000..a5d0ad6
--- /dev/null
+++ b/features/article_visualization.feature
@@ -0,0 +1,30 @@
+Feature: article visualization
+  As a user
+  I want to change view modes
+  In order to see articles in fullscreen or not in fullscreen
+
+  Background:
+    Given the following users
+      | login     | name       |
+      | joaosilva | Joao Silva |
+    And "joaosilva" has no articles
+    And the following articles
+      | owner     | name           | body               |
+      | joaosilva | Sample Article | This is an article |
+    And I am logged in as "joaosilva"
+
+  @selenium
+  Scenario: viewing the article in fullscreen by default
+    Given I go to /joaosilva/sample-article?fullscreen=1
+    Then I should see "Exit full screen"
+
+  @selenium
+  Scenario: viewing the article not in fullscreen by default
+    Given I go to /joaosilva/sample-article
+    Then I should see "Full screen"
+
+  @selenium
+  Scenario: changing the view mode from not in fullscreen to fullscreen
+    Given I go to /joaosilva/sample-article
+    And I follow "Full screen"
+    Then I should see "Exit full screen"
diff --git a/public/javascripts/application.js b/public/javascripts/application.js
index 3206d8d..68067cb 100644
--- a/public/javascripts/application.js
+++ b/public/javascripts/application.js
@@ -1178,7 +1178,10 @@ window.isHidden = function isHidden() { return (typeof(document.hidden) != 'unde
 
 function $_GET(id){
     var a = new RegExp(id+"=([^&#=]*)");
-    return decodeURIComponent(a.exec(window.location.search)[1]);
+    var result_of_search = a.exec(window.location.search)
+    if(result_of_search != null){
+      return decodeURIComponent(result_of_search[1]);
+    }
 }
 
 var fullwidth=false;
@@ -1206,4 +1209,3 @@ function fullscreenPageLoad(itemId){
     }
   });
 }
-
--
libgit2 0.21.2