Changed the testcase to expect the unescaping only after the resolution

String values are not unescaped either in resolveValue() because it can
be called several times for the same parameter.

tests/Symfony/Tests/Component/DependencyInjection/ParameterBag/ParameterBagTest.php

@@ -94,7 +94,7 @@ class ParameterBagTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals(array('bar' => array('bar' => array('bar' => 'bar'))), $bag->resolveValue(array('%foo%' => array('%foo%' => array('%foo%' => '%foo%')))), '->resolveValue() replaces placeholders in nested arrays');
         $this->assertEquals('I\'m a %%foo%%', $bag->resolveValue('I\'m a %%foo%%'), '->resolveValue() supports % escaping by doubling it');
         $this->assertEquals('I\'m a bar %%foo bar', $bag->resolveValue('I\'m a %foo% %%foo %foo%'), '->resolveValue() supports % escaping by doubling it');
-        $this->assertEquals(array('foo' => array('bar' => array('ding' => 'I\'m a bar %foo %bar'))), $bag->resolveValue(array('foo' => array('bar' => array('ding' => 'I\'m a bar %%foo %%bar')))), '->resolveValue() supports % escaping by doubling it');
+        $this->assertEquals(array('foo' => array('bar' => array('ding' => 'I\'m a bar %%foo %%bar'))), $bag->resolveValue(array('foo' => array('bar' => array('ding' => 'I\'m a bar %%foo %%bar')))), '->resolveValue() supports % escaping by doubling it');
 
         $bag = new ParameterBag(array('foo' => true));
         $this->assertSame(true, $bag->resolveValue('%foo%'), '->resolveValue() replaces arguments that are just a placeholder by their value without casting them to strings');
@@ -166,6 +166,22 @@ class ParameterBagTest extends \PHPUnit_Framework_TestCase
         }
     }
 
+    /**
+     * @covers Symfony\Component\DependencyInjection\ParameterBag\ParameterBag::resolve
+     */
+    public function testResolveUnespacesValue()
+    {
+        $bag = new ParameterBag(array(
+            'foo' => array('bar' => array('ding' => 'I\'m a bar %%foo %%bar')),
+            'bar' => 'I\'m a %%foo%%',
+        ));
+
+        $bag->resolve();
+
+        $this->assertEquals('I\'m a %foo%', $bag->get('bar'), '->resolveValue() supports % escaping by doubling it');
+        $this->assertEquals(array('bar' => array('ding' => 'I\'m a bar %foo %bar')), $bag->get('foo'), '->resolveValue() supports % escaping by doubling it');
+    }
+
     /**
      * @covers Symfony\Component\DependencyInjection\ParameterBag\ParameterBag::resolve
      * @dataProvider stringsWithSpacesProvider