Add more rcube_utils tests

program/lib/Roundcube/rcube_utils.php

@@ -733,7 +733,7 @@ class rcube_utils
             return mktime(0,0,0, intval($matches[2]), intval($matches[3]), intval($matches[1]));
         }
         else if (is_numeric($date)) {
-            return $date;
+            return (int) $date;
         }
 
         // Clean malformed data
@@ -762,7 +762,7 @@ class rcube_utils
             $date = implode(' ', $d);
         }
 
-        return $ts;
+        return (int) $ts;
     }
 
 

tests/Framework/Utils.php

@@ -262,4 +262,36 @@ class Framework_Utils extends PHPUnit_Framework_TestCase
             $this->assertSame($v[2], $result);
         }
     }
+
+    /**
+     * rcube:utils::strtotime()
+     */
+    function test_strtotime()
+    {
+        $test = array(
+            '1' => 1,
+            '' => 0,
+        );
+
+        foreach ($test as $datetime => $ts) {
+            $result = rcube_utils::strtotime($datetime);
+            $this->assertSame($ts, $result);
+        }
+    }
+
+    /**
+     * rcube:utils::normalize _string()
+     */
+    function test_normalize_string()
+    {
+        $test = array(
+            '' => '',
+            'abc def' => 'abc def',
+        );
+
+        foreach ($test as $input => $output) {
+            $result = rcube_utils::normalize_string($input);
+            $this->assertSame($output, $result);
+        }
+    }
 }