Fixes #17377: Add tests that verify there are no false positives

framework/base/Event.php

@@ -233,7 +233,7 @@ class Event extends BaseObject
 
         // wildcard events
         foreach (self::$_eventWildcards as $nameWildcard => $classHandlers) {
-            if (!StringHelper::matchWildcard($nameWildcard, $name)) {
+            if (!StringHelper::matchWildcard($nameWildcard, $name, ['escape' => false])) {
                 continue;
             }
             foreach ($classHandlers as $classWildcard => $handlers) {

tests/framework/base/EventTest.php

@@ -103,6 +103,17 @@ class EventTest extends TestCase
         $this->assertTrue(Event::hasHandlers('yiiunit\framework\base\SomeInterface', 'save.it'), 'save.it');
     }
 
+    /**
+     * @see https://github.com/yiisoft/yii2/issues/17377
+     */
+    public function testNoFalsePositivesWithHasHandlers()
+    {
+        $this->assertFalse(Event::hasHandlers(new \stdClass(), 'foobar'));
+
+        $component = new Component();
+        $this->assertFalse($component->hasEventHandlers('foobar'));
+    }
+
     public function testOffUnmatchedHandler()
     {
         $this->assertFalse(Event::hasHandlers(Post::className(), 'afterSave'));