2 files changed, 32 insertions, 10 deletions

diff --git a/tests/LinkDBTest.php b/tests/LinkDBTest.php
index ee8dbee3..8b0bd23b 100644
--- a/tests/LinkDBTest.php
+++ b/tests/LinkDBTest.php
@@ -396,19 +396,22 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
 
     /**
      * Use an invalid date format
+     * @expectedException              Exception
+     * @expectedExceptionMessageRegExp /Invalid date format/
      */
-    public function testFilterInvalidDay()
+    public function testFilterInvalidDayWithChars()
     {
-        $this->assertEquals(
-            0,
-            sizeof(self::$privateLinkDB->filterDay('Rainy day, dream away'))
-        );
+        self::$privateLinkDB->filterDay('Rainy day, dream away');
+    }
 
-        // TODO: check input format
-        $this->assertEquals(
-            6,
-            sizeof(self::$privateLinkDB->filterDay('20'))
-        );
+    /**
+     * Use an invalid date format
+     * @expectedException              Exception
+     * @expectedExceptionMessageRegExp /Invalid date format/
+     */
+    public function testFilterInvalidDayDigits()
+    {
+        self::$privateLinkDB->filterDay('20');
     }
 
     /**
diff --git a/tests/UtilsTest.php b/tests/UtilsTest.php
index bbba99f2..90392dfb 100644
--- a/tests/UtilsTest.php
+++ b/tests/UtilsTest.php
@@ -74,5 +74,24 @@ class UtilsTest extends PHPUnit_Framework_TestCase
         $this->assertTrue(endsWith('å!ùµ', 'ùµ', false));
         $this->assertTrue(endsWith('µ$åù', 'åù', true));
     }
+
+    /**
+     * Check valid date strings, according to a DateTime format
+     */
+    public function testCheckValidDateFormat()
+    {
+        $this->assertTrue(checkDateFormat('Ymd', '20150627'));
+        $this->assertTrue(checkDateFormat('Y-m-d', '2015-06-27'));
+    }
+
+    /**
+     * Check erroneous date strings, according to a DateTime format
+     */
+    public function testCheckInvalidDateFormat()
+    {
+        $this->assertFalse(checkDateFormat('Ymd', '2015'));
+        $this->assertFalse(checkDateFormat('Y-m-d', '2015-06'));
+        $this->assertFalse(checkDateFormat('Ymd', 'DeLorean'));
+    }
 }
 ?>