minor #18836 [Serializer] Add test for ignored attributes during denormalization (dunglas)

This PR was merged into the 2.7 branch.

Discussion
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[Serializer] Add test for ignored attributes during denormalization

| Q             | A
| ------------- | ---
| Branch?       | 2.7
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | n/a
| License       | MIT
| Doc PR        | n/a

Commits
-------

c2f7fed [Serializer] Add test for ignored attributes during denormalization

src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php

@@ -324,6 +324,19 @@ class ObjectNormalizerTest extends \PHPUnit_Framework_TestCase
         );
     }
 
+    public function testIgnoredAttributesDenormalize()
+    {
+        $this->normalizer->setIgnoredAttributes(array('fooBar', 'bar', 'baz'));
+
+        $obj = new ObjectDummy();
+        $obj->setFoo('foo');
+
+        $this->assertEquals(
+            $obj,
+            $this->normalizer->denormalize(array('fooBar' => 'fooBar', 'foo' => 'foo', 'baz' => 'baz'), __NAMESPACE__.'\ObjectDummy')
+        );
+    }
+
     public function provideCallbacks()
     {
         return array(