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vendor/twig/extensions/test/Twig/Tests/Grammar/BooleanTest.php

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+<?php
+
+/*
+ * 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.
+ */
+
+class Twig_Tests_Grammar_BooleanTest extends \PHPUnit\Framework\TestCase
+{
+    public function testMagicToString()
+    {
+        $grammar = new Twig_Extensions_Grammar_Boolean('foo');
+        $this->assertEquals('<foo:boolean>', (string) $grammar);
+    }
+}