diff --git a/tests/AutoloadSectionTest.php b/tests/AutoloadSectionTest.php
index e5ff4a2..5441f6d 100644
--- a/tests/AutoloadSectionTest.php
+++ b/tests/AutoloadSectionTest.php
@@ -20,6 +20,11 @@ public function testIterator()
             $this->assertSame('src/', $autoload->source);
             $this->assertSame(AutoloadSection::TYPE_PSR4, $autoload->type);
         }
+
+        foreach ($section as $k => $v) {
+            $this->assertNotEmpty($k);
+            $this->assertNotEmpty($v);
+        }
     }
 
     public function testDevIterator()