reset constraint options

src/Symfony/Component/Validator/Constraint.php

@@ -129,6 +129,9 @@ abstract class Constraint
             unset($options['value']);
         }
 
+        if (is_array($options)) {
+            reset($options);
+        }
         if (is_array($options) && count($options) > 0 && is_string(key($options))) {
             foreach ($options as $option => $value) {
                 if (array_key_exists($option, $knownOptions)) {

src/Symfony/Component/Validator/Tests/ConstraintTest.php

@@ -206,4 +206,35 @@ class ConstraintTest extends \PHPUnit_Framework_TestCase
     {
         Constraint::getErrorName(1);
     }
+
+    public function testOptionsAsDefaultOption()
+    {
+        $constraint = new ConstraintA($options = array('value1'));
+
+        $this->assertEquals($options, $constraint->property2);
+
+        $constraint = new ConstraintA($options = array('value1', 'property1' => 'value2'));
+
+        $this->assertEquals($options, $constraint->property2);
+    }
+
+    /**
+     * @expectedException \Symfony\Component\Validator\Exception\InvalidOptionsException
+     * @expectedExceptionMessage The options "0", "5" do not exist
+     */
+    public function testInvalidOptions()
+    {
+        new ConstraintA(array('property2' => 'foo', 'bar', 5 => 'baz'));
+    }
+
+    public function testOptionsWithInvalidInternalPointer()
+    {
+        $options = array('property1' => 'foo');
+        next($options);
+        next($options);
+
+        $constraint = new ConstraintA($options);
+
+        $this->assertEquals('foo', $constraint->property1);
+    }
 }