add test case to reproduce the bug for visiting scene by multiple camera

tests/cpp-tests/Classes/BugsTest/Bug-Child.cpp

@@ -58,3 +58,66 @@ void BugChild::switchChild(Ref *sender)
         CCLOG("Child attached to parent1");
     }
 }
+
+bool BugCameraMask::init()
+{
+    if (!BugsTestBase::init()) return false;
+    
+    auto size = Director::getInstance()->getWinSize();
+    
+    auto node = Node::create();
+    node->setPosition(size.width/4, size.height/3);
+    _sprite = Sprite::create("Images/grossini.png");
+    node->addChild(_sprite);
+    node->setCameraMask((unsigned short)CameraFlag::USER1);
+    auto move = MoveBy::create(2, Vec2(200,0));
+    
+    node->runAction(RepeatForever::create(Sequence::createWithTwoActions(move, move->reverse())));
+    addChild(node);
+    
+    auto camera = Camera::create();
+    camera->setCameraFlag(CameraFlag::USER1);
+    addChild(camera);
+    
+    
+    auto item1 = MenuItemFont::create("Switch Child", CC_CALLBACK_1(BugCameraMask::switchSpriteFlag, this));
+    
+    auto menu = Menu::create(item1, nullptr);
+    
+    menu->alignItemsVertically();
+    menu->setPosition(size.width/2, 100);
+    addChild(menu);
+    
+    _spriteMaskLabel = Label::create();
+    _spriteMaskLabel->setPosition(size.width/2, 120);
+    addChild(_spriteMaskLabel);
+    updateSpriteMaskLabel();
+    
+    auto label = Label::create();
+    label->setPosition(size.width/2, size.height * 0.9);
+    label->setString("Sprite should always run action.");
+    addChild(label);
+    
+    return true;
+}
+
+void BugCameraMask::switchSpriteFlag(Ref *sender)
+{
+    if((unsigned short) CameraFlag::USER1 == _sprite->getCameraMask())
+    {
+        _sprite->setCameraMask((unsigned short)CameraFlag::DEFAULT);
+    }
+    else
+    {
+        _sprite->setCameraMask((unsigned short)CameraFlag::USER1);
+    }
+    
+    updateSpriteMaskLabel();
+}
+
+void BugCameraMask::updateSpriteMaskLabel()
+{
+    std::stringstream stream;
+    stream<<"The camera Mask is "<<(_sprite->getCameraMask() == 1 ? "CamereFlag::Default" : "CameraFlag::User1")<<std::endl;
+    _spriteMaskLabel->setString(stream.str());
+}

tests/cpp-tests/Classes/BugsTest/Bug-Child.h

@@ -30,4 +30,17 @@ protected:
     cocos2d::Menu* menu;
 };
 
+class BugCameraMask : public BugsTestBase
+{
+public:
+    CREATE_FUNC(BugCameraMask);
+    
+    virtual bool init() override;
+    
+    void switchSpriteFlag(cocos2d::Ref* sender);
+    void updateSpriteMaskLabel();
+    Node* _sprite;
+    cocos2d::Label* _spriteMaskLabel;
+};
+
 #endif /* defined(__Bug_Child__) */

tests/cpp-tests/Classes/BugsTest/BugsTest.cpp

@@ -22,4 +22,5 @@ BugsTests::BugsTests()
     ADD_TEST_CASE(Bug1159Layer);
     ADD_TEST_CASE(Bug1174Layer);
     ADD_TEST_CASE(BugChild);
+    ADD_TEST_CASE(BugCameraMask);
 }