Merge remote branch 'jakzal/BooleanNodeTest'

* jakzal/BooleanNodeTest:
  [Config] Added tests for BooleanNode.

tests/Symfony/Tests/Component/Config/Definition/BooleanNodeTest.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace Symfony\Component\Config\Definition;
+
+class BooleanNodeTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @dataProvider getValidValues
+     */
+    public function testNormalize($value)
+    {
+        $node = new BooleanNode('test');
+        $this->assertSame($value, $node->normalize($value));
+    }
+
+    public function getValidValues()
+    {
+        return array(
+            array(false),
+            array(true),
+        );
+    }
+
+    /**
+     * @dataProvider getInvalidValues
+     * @expectedException Symfony\Component\Config\Definition\Exception\InvalidTypeException
+     */
+    public function testNormalizeThrowsExceptionOnInvalidValues($value)
+    {
+        $node = new BooleanNode('test');
+        $node->normalize($value);
+    }
+
+    public function getInvalidValues()
+    {
+        return array(
+            array(null),
+            array(''),
+            array('foo'),
+            array(0),
+            array(1),
+            array(0.0),
+            array(0.1),
+            array(array()),
+            array(array('foo' => 'bar')),
+            array(new \stdClass()),
+        );
+    }
+}
+