add testSetDefaultMapClass

Author: mondrake

tests/src/MapHandlerTest.php

@@ -4,6 +4,8 @@
 
 use FileEye\MimeMap\Extension;
 use FileEye\MimeMap\MalformedTypeException;
+use FileEye\MimeMap\Map\DefaultMap;
+use FileEye\MimeMap\Map\EmptyMap;
 use FileEye\MimeMap\Map\MimeMapInterface;
 use FileEye\MimeMap\MapHandler;
 use FileEye\MimeMap\MappingException;
@@ -21,6 +23,14 @@ public function setUp(): void
         $this->map = MapHandler::map();
     }
 
+    public function testSetDefaultMapClass(): void
+    {
+        MapHandler::setDefaultMapClass(EmptyMap::class);
+        $this->assertInstanceOf(EmptyMap::class, MapHandler::map());
+        MapHandler::setDefaultMapClass(DefaultMap::class);
+        $this->assertInstanceOf(DefaultMap::class, MapHandler::map());
+    }
+
     public function testMap(): void
     {
         $this->assertStringContainsString('DefaultMap.php', $this->map->getFileName());