1 files changed, 47 insertions, 1 deletions
diff --git a/remote/test/puppeteer/packages/puppeteer-core/src/util/decorators.test.ts b/remote/test/puppeteer/packages/puppeteer-core/src/util/decorators.test.ts
index 4cdaf15d5b..bc476b0153 100644
--- a/remote/test/puppeteer/packages/puppeteer-core/src/util/decorators.test.ts
+++ b/remote/test/puppeteer/packages/puppeteer-core/src/util/decorators.test.ts
@@ -9,7 +9,9 @@ import {describe, it} from 'node:test';
 import expect from 'expect';
 import sinon from 'sinon';
 
-import {invokeAtMostOnceForArguments} from './decorators.js';
+import {EventEmitter} from '../common/EventEmitter.js';
+
+import {bubble, invokeAtMostOnceForArguments} from './decorators.js';
 
 describe('decorators', function () {
   describe('invokeAtMostOnceForArguments', () => {
@@ -76,4 +78,48 @@ describe('decorators', function () {
       }).toThrow();
     });
   });
+
+  describe('bubble', () => {
+    it('should work', () => {
+      class Test extends EventEmitter<any> {
+        @bubble()
+        accessor field = new EventEmitter();
+      }
+
+      const t = new Test();
+      let a = false;
+      t.on('a', (value: boolean) => {
+        a = value;
+      });
+
+      t.field.emit('a', true);
+      expect(a).toBeTruthy();
+
+      // Set a new emitter.
+      t.field = new EventEmitter();
+      a = false;
+
+      t.field.emit('a', true);
+      expect(a).toBeTruthy();
+    });
+
+    it('should not bubble down', () => {
+      class Test extends EventEmitter<any> {
+        @bubble()
+        accessor field = new EventEmitter<any>();
+      }
+
+      const t = new Test();
+      let a = false;
+      t.field.on('a', (value: boolean) => {
+        a = value;
+      });
+
+      t.emit('a', true);
+      expect(a).toBeFalsy();
+
+      t.field.emit('a', true);
+      expect(a).toBeTruthy();
+    });
+  });
 });