diff --git a/tests/main/gradebook/lib/be/exerciselink.class.test.php b/tests/main/gradebook/lib/be/exerciselink.class.test.php
new file mode 100644
index 0000000000..8d3c00f375
--- /dev/null
+++ b/tests/main/gradebook/lib/be/exerciselink.class.test.php
@@ -0,0 +1,145 @@
+<?php
+require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/be/gradebookitem.class.php';
+require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/be/abstractlink.class.php';
+require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/be/evallink.class.php';
+require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/be/linkfactory.class.php';
+
+class TestExerciseLink extends UnitTestCase {
+	
+	public function TestExerciseLink() {
+		$this->UnitTestCase('Test Exercise Link');
+	}
+
+	public function __construct() {
+		// The constructor acts like a global setUp for the class			
+		require_once api_get_path(SYS_TEST_PATH).'setup.inc.php';
+		$this->exerciselink = new ExerciseLink();
+		$this->exerciselink->set_course_code('COURSETEST');
+	}
+	
+	/**
+	 * Get the score of this exercise. Only the first attempts are taken into account.
+	 * @param $stud_id student id (default: all students who have results - then the average is returned)
+	 * @return	array (score, max) if student is given
+	 * 			array (sum of scores, number of scores) otherwise
+	 * 			or null if no scores available
+	 */
+	 
+	public function testcalc_score() {
+		$res = $this->exerciselink->calc_score($stud_id = null);
+		$this->assertTrue(is_null($res));
+		//var_dump($res);
+	}
+	
+	/**
+	 * Generate an array of all exercises available.
+	 * @return array 2-dimensional array - every element contains 2 subelements (id, name)
+	 */
+	
+	public function testget_all_links() {
+		$res = $this->exerciselink->get_all_links();
+		$this->assertTrue(is_array($res));
+		//var_dump($res);
+	}
+	
+	/**
+     * Get description to display: same as exercise description
+     */
+     
+	public function testget_description() {
+		$res = $this->exerciselink->get_description();
+		$this->assertTrue(is_null($res));
+		//var_dump($res);
+	}
+	
+	/**
+    * Get URL where to go to if the user clicks on the link.
+    * First we go to exercise_jump.php and then to the result page.
+    * Check this php file for more info.
+    */
+    
+	public function testget_link() {
+		$res = $this->exerciselink->get_link();
+		$this->assertTrue(is_string($res));
+		//var_dump($res);
+	}
+	
+	/**
+     * Get name to display: same as exercise title
+     */
+    
+    public function testget_name() {
+		$res = $this->exerciselink->get_name();
+		$this->assertTrue(is_null($res));
+		//var_dump($res);
+	}
+	
+	/**
+	 * Generate an array of exercises that a teacher hasn't created a link for.
+	 * @return array 2-dimensional array - every element contains 2 subelements (id, name)
+	 */
+	 
+	public function testget_not_created_links() {
+		$_SESSION['id_session'] = 1;
+		$res = $this->exerciselink->get_not_created_links();
+		$this->assertTrue(is_array($res));
+		$_SESSION['id_session'] = null;
+		//var_dump($res);
+	}
+	
+	public function testget_type_name() {
+		$res = $this->exerciselink->get_type_name();
+		$this->assertTrue(is_string($res));
+		//var_dump($res);
+	}
+	
+	/**
+     * Has anyone done this exercise yet ?
+     */
+    
+    public function testhas_results() {
+		$res = $this->exerciselink->has_results();
+		$this->assertTrue(is_bool($res));
+		//var_dump($res);
+	}
+	
+	public function testis_allowed_to_change_name() {
+		$res = $this->exerciselink->is_allowed_to_change_name();
+		$this->assertTrue(is_bool($res));
+		//var_dump($res);
+	}
+	
+	/**
+    * Check if this still links to an exercise
+    */
+    
+	public function testis_valid_link() {
+		$res = $this->exerciselink->is_valid_link();
+		$this->assertTrue(is_bool($res));
+		//var_dump($res);
+	}  
+    
+    public function testneeds_max() {
+		$res = $this->exerciselink->needs_max();
+		$this->assertTrue(is_bool($res));
+		//var_dump($res);
+	}
+	
+	public function testneeds_name_and_description() {
+		$res = $this->exerciselink->needs_name_and_description();
+		$this->assertTrue(is_bool($res));
+		//var_dump($res);
+	}
+	
+	public function testneeds_results() {
+		$res = $this->exerciselink->needs_results();
+		$this->assertTrue(is_bool($res));
+		//var_dump($res);
+	}
+
+	public function __destruct() {
+		// The destructor acts like a global tearDown for the class			
+		//require_once api_get_path(SYS_TEST_PATH).'teardown.inc.php';			
+	}
+}
+?>