moved test under tests/

tests/ContainerRuntimeLoaderTest.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Twig\Tests;
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+use PHPUnit\Framework\TestCase;
+use Psr\Container\ContainerInterface;
+use Twig\RuntimeLoader\ContainerRuntimeLoader;
+
+class ContainerRuntimeLoaderTest extends TestCase
+{
+    public function testLoad()
+    {
+        $container = $this->getMockBuilder(ContainerInterface::class)->getMock();
+        $container->expects($this->once())->method('has')->with('stdClass')->willReturn(true);
+        $container->expects($this->once())->method('get')->with('stdClass')->willReturn(new \stdClass());
+
+        $loader = new ContainerRuntimeLoader($container);
+
+        $this->assertInstanceOf('stdClass', $loader->load('stdClass'));
+    }
+
+    public function testLoadUnknownRuntimeReturnsNull()
+    {
+        $container = $this->getMockBuilder(ContainerInterface::class)->getMock();
+        $container->expects($this->once())->method('has')->with('Foo');
+        $container->expects($this->never())->method('get');
+
+        $this->assertNull((new ContainerRuntimeLoader($container))->load('Foo'));
+    }
+}