diff --git a/tests/main/inc/lib/system_announcements.lib.test.php b/tests/main/inc/lib/system_announcements.lib.test.php
new file mode 100644
index 0000000000..acf2c27117
--- /dev/null
+++ b/tests/main/inc/lib/system_announcements.lib.test.php
@@ -0,0 +1,104 @@
+<?php
+require_once(api_get_path(LIBRARY_PATH).'system_announcements.lib.php');
+require_once(api_get_path(LIBRARY_PATH).'mail.lib.inc.php');
+
+
+class TestSystemAnnouncementManager extends UnitTestCase {
+	
+	function testadd_announcement() {
+		$title='';
+		$content='';
+		$date_start='';
+		$date_end='';
+		ob_start();
+		$res=SystemAnnouncementManager::add_announcement($title, $content, $date_start, $date_end, $visible_teacher = 0, $visible_student = 0, $visible_guest = 0, $lang = null, $send_mail=0);
+        $this->assertTrue(is_bool($res));
+        ob_end_clean();
+        //var_dump($res);
+	}
+	
+	function testcount_nb_announcement() {
+		$res=SystemAnnouncementManager::count_nb_announcement($start = 0,$user_id = '');
+		$this->assertTrue(is_numeric($res));
+        //var_dump($res);
+	}
+	
+	function testdelete_announcement() {
+		$id='';
+		$res=SystemAnnouncementManager::delete_announcement($id);
+		$this->assertTrue(is_bool($res));
+        //var_dump($res);
+	}
+	
+	function testdisplay_all_announcements() {
+		$visible='';
+		$res=SystemAnnouncementManager::display_all_announcements($visible, $id = -1,$start = 0,$user_id='');
+		$this->assertTrue(is_null($res));
+        //var_dump($res);
+	}
+	
+	function testdisplay_announcements() {
+		$visible='';
+		$res=SystemAnnouncementManager::display_announcements($visible, $id = -1);
+		$this->assertTrue(is_null($res));
+        //var_dump($res);
+	}
+	
+	function testdisplay_fleche() {
+		$user_id='';
+		$res=SystemAnnouncementManager::display_fleche($user_id);
+		$this->assertTrue(is_null($res));
+        //var_dump($res);
+	}
+	
+	function testget_all_announcements() {
+		$res=SystemAnnouncementManager::get_all_announcements();
+		$this->assertTrue(is_array($res));
+        //var_dump($res);
+	}
+	
+	function testget_announcement() {
+		$id='';
+		$res=SystemAnnouncementManager::get_announcement($id);
+		$this->assertTrue(is_bool($res));
+        //var_dump($res);
+	}
+	
+	function testsend_system_announcement_by_email() {
+		global $_user; 
+		global $_setting;
+		global $charset; 
+		$title='';
+		$content='';
+		$teacher='';
+		$student='';
+		$res=SystemAnnouncementManager::send_system_announcement_by_email($title,$content,$teacher, $student);
+		$this->assertTrue(is_null($res));
+        //var_dump($res);
+	}
+	
+	function testset_visibility() {
+		$announcement_id='';
+		$user='';
+		$visible='';
+		$res=SystemAnnouncementManager::set_visibility();
+		$this->assertTrue(is_bool($res));
+        //var_dump($res);
+	}
+	
+	function testupdate_announcement() {
+		$id='';
+		$title='';
+		$content='';
+		$date_start=array();
+		$date_end=array();
+		ob_start();
+		$res=SystemAnnouncementManager::update_announcement($id, $title, $content, $date_start, $date_end, $visible_teacher = 0, $visible_student = 0, $visible_guest = 0,$lang=null, $send_mail=0);
+		$this->assertTrue(is_bool($res));
+		ob_end_clean();
+        //var_dump($res);
+	}
+		
+	
+}
+?>