1 files changed, 8 insertions, 0 deletions
diff --git a/test/Bakame/Csv/ReaderTest.php b/test/Bakame/Csv/ReaderTest.php
index 1c8c33e..f4517dd 100644
--- a/test/Bakame/Csv/ReaderTest.php
+++ b/test/Bakame/Csv/ReaderTest.php
@@ -115,6 +115,14 @@ class ReaderTest extends PHPUnit_Framework_TestCase
         $this->assertNull($res[0][2]);
     }
 
+    /**
+     * @expectedException InvalidArgumentException
+     */
+    public function testFailCreateFromString()
+    {
+        Reader::createFromString(new \DateTime);
+    }
+
     public function testFetchColCallback()
     {
         $func = function ($value) {