minor symfony#16446 OptionsResolver test coverage (eventhorizonpl)

This PR was submitted for the 2.8 branch but it was merged into the 2.7 branch instead (closes symfony#16446).

Discussion
----------

OptionsResolver test coverage

Hi,

This PR adds 100% test code coverage to OptionsResolver component.

Best regards,
Michal

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| License       | MIT

Commits
-------

185950c OptionsResolver test coverage

Author: Tobion

src/Symfony/Component/OptionsResolver/Tests/OptionsResolver2Dot6Test.php

@@ -499,27 +499,28 @@ public function testFailIfSetAllowedTypesFromLazyOption()
     }
 
     /**
-     * @expectedException \Symfony\Component\OptionsResolver\Exception\InvalidOptionsException
-     * @expectedExceptionMessage The option "foo" with value 42 is expected to be of type "string", but is of type "integer".
+     * @dataProvider provideInvalidTypes
      */
-    public function testResolveFailsIfInvalidType()
+    public function testResolveFailsIfInvalidType($actualType, $allowedType, $exceptionMessage)
     {
-        $this->resolver->setDefined('foo');
-        $this->resolver->setAllowedTypes('foo', 'string');
-
-        $this->resolver->resolve(array('foo' => 42));
+        $this->resolver->setDefined('option');
+        $this->resolver->setAllowedTypes('option', $allowedType);
+        $this->setExpectedException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException', $exceptionMessage);
+        $this->resolver->resolve(array('option' => $actualType));
     }
 
-    /**
-     * @expectedException \Symfony\Component\OptionsResolver\Exception\InvalidOptionsException
-     * @expectedExceptionMessage The option "foo" with value null is expected to be of type "string", but is of type "NULL".
-     */
-    public function testResolveFailsIfInvalidTypeIsNull()
+    public function provideInvalidTypes()
     {
-        $this->resolver->setDefault('foo', null);
-        $this->resolver->setAllowedTypes('foo', 'string');
-
-        $this->resolver->resolve();
+        return array(
+            array(true, 'string', 'The option "option" with value true is expected to be of type "string", but is of type "boolean".'),
+            array(false, 'string', 'The option "option" with value false is expected to be of type "string", but is of type "boolean".'),
+            array(fopen(__FILE__, 'r'), 'string', 'The option "option" with value resource is expected to be of type "string", but is of type "resource".'),
+            array(array(), 'string', 'The option "option" with value array is expected to be of type "string", but is of type "array".'),
+            array(new OptionsResolver(), 'string', 'The option "option" with value Symfony\Component\OptionsResolver\OptionsResolver is expected to be of type "string", but is of type "Symfony\Component\OptionsResolver\OptionsResolver".'),
+            array(42, 'string', 'The option "option" with value 42 is expected to be of type "string", but is of type "integer".'),
+            array(null, 'string', 'The option "option" with value null is expected to be of type "string", but is of type "NULL".'),
+            array('bar', '\stdClass', 'The option "option" with value "bar" is expected to be of type "\stdClass", but is of type "string".'),
+        );
     }
 
     public function testResolveSucceedsIfValidType()
@@ -550,17 +551,6 @@ public function testResolveSucceedsIfValidTypeMultiple()
         $this->assertNotEmpty($this->resolver->resolve());
     }
 
-    /**
-     * @expectedException \Symfony\Component\OptionsResolver\Exception\InvalidOptionsException
-     */
-    public function testResolveFailsIfNotInstanceOfClass()
-    {
-        $this->resolver->setDefault('foo', 'bar');
-        $this->resolver->setAllowedTypes('foo', '\stdClass');
-
-        $this->resolver->resolve();
-    }
-
     public function testResolveSucceedsIfInstanceOfClass()
     {
         $this->resolver->setDefault('foo', new \stdClass());