Unit test for patched method OptionsResolver::validateOptionValues().

Author: Olivier Maisonneuve

Tests/OptionsResolverTest.php

@@ -258,6 +258,30 @@ public function testResolveSucceedsIfOptionValueAllowed2()
         ), $this->resolver->resolve($options));
     }
 
+    public function testResolveSucceedsIfOptionalWithAllowedValuesNotSet()
+    {
+        $this->resolver->setRequired(array(
+            'one',
+        ));
+
+        $this->resolver->setOptional(array(
+            'two',
+        ));
+
+        $this->resolver->setAllowedValues(array(
+            'one' => array('1', 'one'),
+            'two' => array('2', 'two'),
+        ));
+
+        $options = array(
+            'one' => '1',
+        );
+
+        $this->assertEquals(array(
+            'one' => '1',
+        ), $this->resolver->resolve($options));
+    }
+
     /**
      * @expectedException Symfony\Component\OptionsResolver\Exception\InvalidOptionsException
      */