--- /dev/null
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\ClassLoader\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\ClassLoader\Psr4ClassLoader;
+
+class Psr4ClassLoaderTest extends TestCase
+{
+ /**
+ * @param string $className
+ * @dataProvider getLoadClassTests
+ */
+ public function testLoadClass($className)
+ {
+ $loader = new Psr4ClassLoader();
+ $loader->addPrefix(
+ 'Acme\\DemoLib',
+ __DIR__.DIRECTORY_SEPARATOR.'Fixtures'.DIRECTORY_SEPARATOR.'psr-4'
+ );
+ $loader->loadClass($className);
+ $this->assertTrue(class_exists($className), sprintf('loadClass() should load %s', $className));
+ }
+
+ /**
+ * @return array
+ */
+ public function getLoadClassTests()
+ {
+ return array(
+ array('Acme\\DemoLib\\Foo'),
+ array('Acme\\DemoLib\\Class_With_Underscores'),
+ array('Acme\\DemoLib\\Lets\\Go\\Deeper\\Foo'),
+ array('Acme\\DemoLib\\Lets\\Go\\Deeper\\Class_With_Underscores'),
+ );
+ }
+
+ /**
+ * @param string $className
+ * @dataProvider getLoadNonexistentClassTests
+ */
+ public function testLoadNonexistentClass($className)
+ {
+ $loader = new Psr4ClassLoader();
+ $loader->addPrefix(
+ 'Acme\\DemoLib',
+ __DIR__.DIRECTORY_SEPARATOR.'Fixtures'.DIRECTORY_SEPARATOR.'psr-4'
+ );
+ $loader->loadClass($className);
+ $this->assertFalse(class_exists($className), sprintf('loadClass() should not load %s', $className));
+ }
+
+ /**
+ * @return array
+ */
+ public function getLoadNonexistentClassTests()
+ {
+ return array(
+ array('Acme\\DemoLib\\I_Do_Not_Exist'),
+ array('UnknownVendor\\SomeLib\\I_Do_Not_Exist'),
+ );
+ }
+}