#20 added tests

composer.json

@@ -16,7 +16,8 @@
         "myclabs/php-enum": "^1.0",
         "phpunit/phpunit": "^7.5",
         "phpbench/phpbench": "^0.16.9",
-        "vimeo/psalm": "^3.5"
+        "vimeo/psalm": "^3.5",
+        "symfony/error-handler": "^5.1"
     },
     "autoload": {
         "psr-4": {

src/StaticConstructorLoader/DebugStaticConstructorLoader.php

@@ -146,8 +146,8 @@ public function findFile($class)
         $path = $this->classLoader->findFile($class);
 
         if (
-            class_exists(\Symfony\Component\ErrorHandler\DebugClassLoader::class, false)
-            || class_exists(\Symfony\Component\Debug\DebugClassLoader::class, false)
+            class_exists('Symfony\Component\ErrorHandler\DebugClassLoader', false)
+            || class_exists('Symfony\Component\Debug\DebugClassLoader', false)
         ) {
             return $this->handleDebugClassLoader($class, $path);
         }
@@ -164,10 +164,7 @@ private function handleDebugClassLoader($class, $path)
             && is_file($path)
             && \in_array(
                 $debugClassLoader['class'] ?? null,
-                [
-                    \Symfony\Component\Debug\DebugClassLoader::class,
-                    \Symfony\Component\ErrorHandler\DebugClassLoader::class
-                ],
+                ['Symfony\Component\Debug\DebugClassLoader', 'Symfony\Component\ErrorHandler\DebugClassLoader'],
                 true
             )
         ) {

tests/StaticConstructorLoader/DebugStaticConstructorLoaderTest.php

@@ -0,0 +1,57 @@
+<?php declare(strict_types=1);
+
+namespace Dbalabka\Enumeration\Tests\StaticConstructorLoader;
+
+use Dbalabka\StaticConstructorLoader\DebugStaticConstructorLoader;
+use Dbalabka\StaticConstructorLoader\StaticConstructorLoader;
+use Dbalabka\StaticConstructorLoader\Tests\Fixtures\ChildOfAbstractEnumeration;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\ErrorHandler\DebugClassLoader;
+
+class DebugStaticConstructorLoaderTest extends TestCase
+{
+    /** @var callable */
+    private $defaultLoader;
+
+    protected function setUp()
+    {
+        $this->defaultLoader = \spl_autoload_functions()[0];
+    }
+
+    protected function tearDown()
+    {
+        DebugClassLoader::disable();
+    }
+
+    /**
+     * @runInSeparateProcess
+     */
+    public function testClassLoadWithDefaultStaticConstrcutorLoader()
+    {
+        new StaticConstructorLoader($this->defaultLoader[0]);
+        $x = ChildOfAbstractEnumeration::$instance;
+        $this->assertInstanceOf(ChildOfAbstractEnumeration::class, $x);
+    }
+
+    /**
+     * @runInSeparateProcess
+     */
+    public function testClassLoadWithDefaultStaticConstrcutorLoaderAndSymfonyDebugLoader()
+    {
+        new StaticConstructorLoader($this->defaultLoader[0]);
+        (new DebugClassLoader($this->defaultLoader))::enable();
+        $x = ChildOfAbstractEnumeration::$instance;
+        $this->assertNull($x);
+    }
+
+    /**
+     * @runInSeparateProcess
+     */
+    public function testClassLoadWithDebugStaticConstrcutorLoaderAndSymfonyDebugLoader()
+    {
+        new DebugStaticConstructorLoader($this->defaultLoader[0]);
+        (new DebugClassLoader($this->defaultLoader))::enable();
+        $x = ChildOfAbstractEnumeration::$instance;
+        $this->assertInstanceOf(ChildOfAbstractEnumeration::class, $x);
+    }
+}