Merge pull request #6186 from samuele3hu/develop_new_label

close #4721:clone for EventListeners of lua didn't clone the related property and add more EventDispatcher test cases
This commit is contained in:
James Chen 2014-04-09 16:34:37 +08:00
commit 9bd3be1d03
2 changed files with 545 additions and 11 deletions

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@ -1 +1 @@
29ab52704e759d8120ecd36f21f53afdc322e8e6 48b548727f5f4ae9112bdb75069ad09641dcf643

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@ -10,6 +10,11 @@ local testArray =
SpriteAccelerationEvent = 6, SpriteAccelerationEvent = 6,
RemoveAndRetainNode = 7, RemoveAndRetainNode = 7,
RemoveListenerAfterAdding = 8, RemoveListenerAfterAdding = 8,
GlobalZTouchTest = 9,
StopPropagationTest = 10,
PauseResumeTargetTest = 11,
Issue4129Test = 12,
Issue4160Test = 13,
} }
local curLayerIdx = testArray.TouchableSprite local curLayerIdx = testArray.TouchableSprite
@ -60,6 +65,16 @@ function EventDispatcherTestDemo.title(idx)
return "RemoveAndRetainNodeTest" return "RemoveAndRetainNodeTest"
elseif testArray.RemoveListenerAfterAdding == idx then elseif testArray.RemoveListenerAfterAdding == idx then
return "RemoveListenerAfterAddingTest" return "RemoveListenerAfterAddingTest"
elseif testArray.GlobalZTouchTest == idx then
return "Global Z Value, Try touch blue sprite"
elseif testArray.StopPropagationTest == idx then
return "Stop Propagation Test"
elseif testArray.PauseResumeTargetTest == idx then
return "PauseResumeTargetTest"
elseif testArray.Issue4129Test == idx then
return "Issue 4129: Remove All Listeners"
elseif testArray.Issue4160Test == idx then
return "Issue 4160: Out of range exception"
end end
end end
@ -80,6 +95,16 @@ function EventDispatcherTestDemo.subTitle(idx)
return "Sprite should be removed after 5s, add to scene again after 5s" return "Sprite should be removed after 5s, add to scene again after 5s"
elseif testArray.RemoveListenerAfterAdding == idx then elseif testArray.RemoveListenerAfterAdding == idx then
return "Should not crash!" return "Should not crash!"
elseif testArray.GlobalZTouchTest == idx then
return "Blue Sprite should change go from foreground to background"
elseif testArray.StopPropagationTest == idx then
return "Shouldn't crash and only blue block could be clicked"
elseif testArray.PauseResumeTargetTest == idx then
return ""
elseif testArray.Issue4129Test == idx then
return "Should see 'Yeah, this issue was fixed.'"
elseif testArray.Issue4160Test == idx then
return "Touch the red block twice \n should not crash and the red one couldn't be touched"
end end
end end
@ -136,7 +161,7 @@ function EventDispatcherTestDemo:createMenu()
menu:setPosition(cc.p(0, 0)) menu:setPosition(cc.p(0, 0))
self:addChild(menu) self:addChild(menu, 9999)
end end
function EventDispatcherTestDemo:creatTitleAndSubTitle(idx) function EventDispatcherTestDemo:creatTitleAndSubTitle(idx)
@ -227,16 +252,9 @@ function TouchableSpriteTest:onEnter()
eventDispatcher:addEventListenerWithSceneGraphPriority(listener1, sprite1) eventDispatcher:addEventListenerWithSceneGraphPriority(listener1, sprite1)
local listener2 = listener1:clone() local listener2 = listener1:clone()
listener2:registerScriptHandler(onTouchBegan,cc.Handler.EVENT_TOUCH_BEGAN)
listener2:registerScriptHandler(onTouchMoved,cc.Handler.EVENT_TOUCH_MOVED)
listener2:registerScriptHandler(onTouchEnded,cc.Handler.EVENT_TOUCH_ENDED )
eventDispatcher:addEventListenerWithSceneGraphPriority(listener2, sprite2) eventDispatcher:addEventListenerWithSceneGraphPriority(listener2, sprite2)
local listener3 = listener1:clone() local listener3 = listener1:clone()
listener3:registerScriptHandler(onTouchBegan,cc.Handler.EVENT_TOUCH_BEGAN )
listener3:registerScriptHandler(onTouchMoved,cc.Handler.EVENT_TOUCH_MOVED )
listener3:registerScriptHandler(onTouchEnded,cc.Handler.EVENT_TOUCH_ENDED )
eventDispatcher:addEventListenerWithSceneGraphPriority(listener3, sprite3) eventDispatcher:addEventListenerWithSceneGraphPriority(listener3, sprite3)
local function removeAllTouchItem(tag, sender) local function removeAllTouchItem(tag, sender)
@ -286,6 +304,7 @@ TouchableSpriteWithFixedPriority.__index = TouchableSpriteWithFixedPriority
TouchableSpriteWithFixedPriority._listener = nil TouchableSpriteWithFixedPriority._listener = nil
TouchableSpriteWithFixedPriority._fixedPriority = 0 TouchableSpriteWithFixedPriority._fixedPriority = 0
TouchableSpriteWithFixedPriority._useNodePriority = false TouchableSpriteWithFixedPriority._useNodePriority = false
TouchableSpriteWithFixedPriority._removeListenerOnTouchEnded = false
function TouchableSpriteWithFixedPriority.extend(target) function TouchableSpriteWithFixedPriority.extend(target)
local t = tolua.getpeer(target) local t = tolua.getpeer(target)
@ -298,6 +317,8 @@ function TouchableSpriteWithFixedPriority.extend(target)
end end
function TouchableSpriteWithFixedPriority:onEnter() function TouchableSpriteWithFixedPriority:onEnter()
local eventDispatcher = self:getEventDispatcher()
local function onTouchBegan(touch, event) local function onTouchBegan(touch, event)
local locationInNode = self:convertToNodeSpace(touch:getLocation()) local locationInNode = self:convertToNodeSpace(touch:getLocation())
local s = self:getContentSize() local s = self:getContentSize()
@ -317,6 +338,10 @@ function TouchableSpriteWithFixedPriority:onEnter()
local function onTouchEnded(touch, event) local function onTouchEnded(touch, event)
self:setColor(cc.c3b(255, 255, 255)) self:setColor(cc.c3b(255, 255, 255))
if self._removeListenerOnTouchEnded then
eventDispatcher:removeEventListener(self._listener)
end
end end
local listener = cc.EventListenerTouchOneByOne:create() local listener = cc.EventListenerTouchOneByOne:create()
@ -327,8 +352,7 @@ function TouchableSpriteWithFixedPriority:onEnter()
listener:registerScriptHandler(onTouchMoved,cc.Handler.EVENT_TOUCH_MOVED ) listener:registerScriptHandler(onTouchMoved,cc.Handler.EVENT_TOUCH_MOVED )
listener:registerScriptHandler(onTouchEnded,cc.Handler.EVENT_TOUCH_ENDED ) listener:registerScriptHandler(onTouchEnded,cc.Handler.EVENT_TOUCH_ENDED )
local eventDispatcher = self:getEventDispatcher() if 0 == self._fixedPriority then
if self._useNodePriority then
eventDispatcher:addEventListenerWithSceneGraphPriority(listener, self) eventDispatcher:addEventListenerWithSceneGraphPriority(listener, self)
else else
eventDispatcher:addEventListenerWithFixedPriority(listener,self._fixedPriority) eventDispatcher:addEventListenerWithFixedPriority(listener,self._fixedPriority)
@ -345,6 +369,10 @@ function TouchableSpriteWithFixedPriority:setPriority(fixedPriority)
self._useNodePriority = false self._useNodePriority = false
end end
function TouchableSpriteWithFixedPriority:removeListenerOnTouchEnded(toRemove)
self._removeListenerOnTouchEnded = toRemove
end
function TouchableSpriteWithFixedPriority:setPriorityWithThis(useNodePriority) function TouchableSpriteWithFixedPriority:setPriorityWithThis(useNodePriority)
self._fixedPriority = 0 self._fixedPriority = 0
self._useNodePriority = useNodePriority self._useNodePriority = useNodePriority
@ -970,6 +998,507 @@ function RemoveListenerAfterAddingTest.create()
return layer return layer
end end
local GlobalZTouchTest = class("GlobalZTouchTest",EventDispatcherTestDemo)
GlobalZTouchTest.__index = GlobalZTouchTest
GlobalZTouchTest._sprite = nil
GlobalZTouchTest._accum = 0
GlobalZTouchTest._layer = nil
function GlobalZTouchTest.extend(target)
local t = tolua.getpeer(target)
if not t then
t = {}
tolua.setpeer(target, t)
end
setmetatable(t, GlobalZTouchTest)
return target
end
function GlobalZTouchTest:onEnter()
local function onTouchBegan(touch, event)
local target = event:getCurrentTarget()
local locationInNode = target:convertToNodeSpace(touch:getLocation())
local s = target:getContentSize()
local rect = cc.rect(0, 0, s.width, s.height)
if cc.rectContainsPoint(rect, locationInNode) then
print(string.format("sprite began... x = %f, y = %f", locationInNode.x, locationInNode.y))
target:setOpacity(180)
return true
end
return false
end
local function onTouchMoved(touch, event)
local target = event:getCurrentTarget()
local posX,posY = target:getPosition()
local delta = touch:getDelta()
target:setPosition(cc.p(posX + delta.x, posY + delta.y))
end
local function onTouchEnded(touch, event)
local target = event:getCurrentTarget()
print("sprite onTouchesEnded..")
target:setOpacity(255)
end
local listener = cc.EventListenerTouchOneByOne:create()
listener:setSwallowTouches(true)
listener:registerScriptHandler(onTouchBegan,cc.Handler.EVENT_TOUCH_BEGAN )
listener:registerScriptHandler(onTouchMoved,cc.Handler.EVENT_TOUCH_MOVED )
listener:registerScriptHandler(onTouchEnded,cc.Handler.EVENT_TOUCH_ENDED )
local SPRITE_COUNT = 8
for i = 0, SPRITE_COUNT - 1 do
local sprite = nil
if 4 == i then
sprite = cc.Sprite:create("Images/CyanSquare.png")
self._sprite = sprite
self._sprite:setGlobalZOrder(-1)
else
sprite = cc.Sprite:create("Images/YellowSquare.png")
end
local eventDispatcher = self:getEventDispatcher()
eventDispatcher:addEventListenerWithSceneGraphPriority(listener:clone(), sprite)
self._layer:addChild(sprite)
local visibleSize = cc.Director:getInstance():getVisibleSize()
sprite:setPosition(VisibleRect:left().x + visibleSize.width / (SPRITE_COUNT - 1) * i, VisibleRect:center().y)
end
local function update(dt)
self._accum = self._accum + dt
if self._accum > 2.0 then
local z = self._sprite:getGlobalZOrder()
self._sprite:setGlobalZOrder(-z)
self._accum = 0
end
end
self._layer:scheduleUpdateWithPriorityLua(update, 0)
end
function GlobalZTouchTest:onExit()
self._layer:unscheduleUpdate()
end
function GlobalZTouchTest.create()
local layer = GlobalZTouchTest.extend(cc.Layer:create())
local function onNodeEvent(event)
if event == "enter" then
layer:onEnter()
elseif event == "exit" then
layer:onExit()
end
end
layer:createMenu()
layer:creatTitleAndSubTitle(curLayerIdx)
layer:registerScriptHandler(onNodeEvent)
GlobalZTouchTest._layer = layer
return layer
end
local StopPropagationTest = class("StopPropagationTest",EventDispatcherTestDemo)
local TAG_BLUE_SPRITE = 101
local TAG_BLUE_SPRITE2 = 102
local SPRITE_COUNT = 8
function StopPropagationTest.extend(target)
local t = tolua.getpeer(target)
if not t then
t = {}
tolua.setpeer(target, t)
end
setmetatable(t, StopPropagationTest)
return target
end
function StopPropagationTest:onEnter()
local function onTouchBegan(touch, event)
if not self:isPointInTopHalfAreaOfScreen(touch:getLocation()) then
return false
end
local target = event:getCurrentTarget()
assert(target:getTag() == TAG_BLUE_SPRITE, "Yellow blocks shouldn't response event.")
if self:isPointInNode(touch:getLocation(), target) then
target:setOpacity(180)
return true
end
event:stopPropagation()
return false
end
local function onTouchEnded(touch, event)
local target = event:getCurrentTarget()
target:setOpacity(255)
end
local touchOneByOneListener = cc.EventListenerTouchOneByOne:create()
touchOneByOneListener:setSwallowTouches(true)
touchOneByOneListener:registerScriptHandler(onTouchBegan,cc.Handler.EVENT_TOUCH_BEGAN )
touchOneByOneListener:registerScriptHandler(onTouchEnded,cc.Handler.EVENT_TOUCH_ENDED )
local function onTouchesBegan(touches, event)
if self:isPointInTopHalfAreaOfScreen(touches[1]:getLocation()) then
return
end
local target = event:getCurrentTarget()
assert(target:getTag() == TAG_BLUE_SPRITE2, "Yellow blocks shouldn't response event.")
if self:isPointInNode(touches[1]:getLocation(), target) then
target:setOpacity(180)
end
event:stopPropagation()
end
local function onTouchesEnd(touches, event)
if self:isPointInTopHalfAreaOfScreen(touches[1]:getLocation()) then
return
end
local target = event:getCurrentTarget()
assert(target:getTag() == TAG_BLUE_SPRITE2, "Yellow blocks shouldn't response event.")
if self:isPointInNode(touches[1]:getLocation(), target) then
target:setOpacity(255)
end
event:stopPropagation()
end
local touchAllAtOnceListener = cc.EventListenerTouchAllAtOnce:create()
touchAllAtOnceListener:registerScriptHandler(onTouchesBegan,cc.Handler.EVENT_TOUCHES_BEGAN )
touchAllAtOnceListener:registerScriptHandler(onTouchesEnd,cc.Handler.EVENT_TOUCHES_ENDED )
local function onKeyPressed(key, event)
local target = event:getCurrentTarget()
assert(target:getTag() == TAG_BLUE_SPRITE or target:getTag() == TAG_BLUE_SPRITE2, "Yellow blocks shouldn't response event.")
event:stopPropagation()
end
local keyboardEventListener = cc.EventListenerKeyboard:create()
keyboardEventListener:registerScriptHandler(onKeyPressed, cc.Handler.EVENT_KEYBOARD_PRESSED )
local eventDispatcher = self:getEventDispatcher()
for i = 0, SPRITE_COUNT - 1 do
local sprite = nil
local sprite2 = nil
if 4 == i then
sprite = cc.Sprite:create("Images/CyanSquare.png")
sprite:setTag(TAG_BLUE_SPRITE)
self:addChild(sprite, 100)
sprite2 = cc.Sprite:create("Images/CyanSquare.png")
sprite2:setTag(TAG_BLUE_SPRITE2)
self:addChild(sprite2, 100)
else
sprite = cc.Sprite:create("Images/YellowSquare.png")
self:addChild(sprite, 0)
sprite2 = cc.Sprite:create("Images/YellowSquare.png")
self:addChild(sprite2, 0)
end
eventDispatcher:addEventListenerWithSceneGraphPriority(touchOneByOneListener:clone(), sprite)
eventDispatcher:addEventListenerWithSceneGraphPriority(keyboardEventListener:clone(), sprite)
eventDispatcher:addEventListenerWithSceneGraphPriority(touchAllAtOnceListener:clone(), sprite2)
eventDispatcher:addEventListenerWithSceneGraphPriority(keyboardEventListener:clone(), sprite2)
local visibleSize = cc.Director:getInstance():getVisibleSize()
sprite:setPosition(VisibleRect:left().x + visibleSize.width / (SPRITE_COUNT - 1) * i, VisibleRect:center().y + sprite2:getContentSize().height / 2 + 10)
sprite2:setPosition(VisibleRect:left().x + visibleSize.width / (SPRITE_COUNT - 1) * i, VisibleRect:center().y - sprite2:getContentSize().height / 2 - 10)
end
end
function StopPropagationTest:onExit()
end
function StopPropagationTest:isPointInNode(pt, node)
local locationInNode = node:convertToNodeSpace(pt)
local s = node:getContentSize()
local rect = cc.rect(0, 0, s.width, s.height)
if cc.rectContainsPoint(rect, locationInNode) then
return true
end
return false
end
function StopPropagationTest:isPointInTopHalfAreaOfScreen(pt)
local winSize = cc.Director:getInstance():getWinSize()
if pt.y >= winSize.height / 2 then
return true
end
return false
end
function StopPropagationTest.create()
local layer = StopPropagationTest.extend(cc.Layer:create())
local function onNodeEvent(event)
if event == "enter" then
layer:onEnter()
elseif event == "exit" then
layer:onExit()
end
end
layer:createMenu()
layer:creatTitleAndSubTitle(curLayerIdx)
layer:registerScriptHandler(onNodeEvent)
return layer
end
local PauseResumeTargetTest = class("PauseResumeTargetTest",EventDispatcherTestDemo)
function PauseResumeTargetTest.extend(target)
local t = tolua.getpeer(target)
if not t then
t = {}
tolua.setpeer(target, t)
end
setmetatable(t, PauseResumeTargetTest)
return target
end
function PauseResumeTargetTest:onEnter()
local origin = cc.Director:getInstance():getVisibleOrigin()
local size = cc.Director:getInstance():getVisibleSize()
local sprite1 = TouchableSpriteWithFixedPriority.create()
sprite1:setTexture("Images/CyanSquare.png")
sprite1:setPosition(cc.p(origin.x + size.width/2 - 80, origin.y + size.height/2 + 40))
self:addChild(sprite1, -10)
local sprite2 = TouchableSpriteWithFixedPriority.create()
sprite2:setTexture("Images/MagentaSquare.png")
sprite2:setPosition(cc.p(origin.x + size.width/2, origin.y + size.height/2))
self:addChild(sprite2, -20)
local sprite3 = TouchableSpriteWithFixedPriority.create()
sprite3:setTexture("Images/YellowSquare.png")
sprite3:setPosition(cc.p(0, 0))
sprite2:addChild(sprite3, -1)
local function popUp(tag, sender)
local eventDispatcher = self:getEventDispatcher()
eventDispatcher:pauseEventListenersForTarget(self, true)
local colorLayer = cc.LayerColor:create(cc.c4b(0, 0, 255, 100))
self:addChild(colorLayer, 99999)
local function closePopUp(tag, sender)
colorLayer:removeFromParent()
eventDispatcher:resumeEventListenersForTarget(self, true)
end
local closeItem = cc.MenuItemFont:create("close")
closeItem:registerScriptTapHandler(closePopUp)
closeItem:setPosition(VisibleRect:center())
local closeMenu = cc.Menu:create(closeItem)
closeMenu:setAnchorPoint(cc.p(0.0, 0.0))
closeMenu:setPosition(cc.p(0.0, 0.0))
colorLayer:addChild(closeMenu)
end
local popUpItem = cc.MenuItemFont:create("Popup")
popUpItem:registerScriptTapHandler(popUp)
popUpItem:setAnchorPoint(cc.p(1.0, 0.5))
popUpItem:setPosition(VisibleRect:right())
local menu = cc.Menu:create(popUpItem)
menu:setAnchorPoint(cc.p(0.0, 0.0))
menu:setPosition(cc.p(0.0, 0.0))
self:addChild(menu)
end
function PauseResumeTargetTest:onExit()
end
function PauseResumeTargetTest.create()
local layer = PauseResumeTargetTest.extend(cc.Layer:create())
local function onNodeEvent(event)
if event == "enter" then
layer:onEnter()
elseif event == "exit" then
layer:onExit()
end
end
layer:createMenu()
layer:creatTitleAndSubTitle(curLayerIdx)
layer:registerScriptHandler(onNodeEvent)
return layer
end
local Issue4129Test = class("Issue4129Test",EventDispatcherTestDemo)
Issue4129Test._customListener = nil
function Issue4129Test.extend(target)
local t = tolua.getpeer(target)
if not t then
t = {}
tolua.setpeer(target, t)
end
setmetatable(t, Issue4129Test)
return target
end
function Issue4129Test:onEnter()
local bugFixed = false
local eventDispatcher = self:getEventDispatcher()
local function eventCustomListener(event)
local label = cc.Label:create("Yeah, this issue was fixed.", "", 20)
label:setAnchorPoint(cc.p(0, 0.5))
label:setPosition(VisibleRect:left())
self:addChild(label)
eventDispatcher:removeEventListener(self._customListener)
self._customListener = nil
bugFixed = true
end
self._customListener = cc.EventListenerCustom:create("event_come_to_background",eventCustomListener)
eventDispatcher:addEventListenerWithFixedPriority(self._customListener, 1)
local function removeAllTouch(tag, sender)
local senderItem = sender
senderItem:setString("Only 'Reset' item could be clicked")
eventDispatcher:removeAllEventListeners()
local function next(tag, sender)
assert(bugFixed, "This issue was not fixed!")
self.restartCallback()
end
local nextItem = cc.MenuItemFont:create("Reset")
nextItem:registerScriptTapHandler(next)
nextItem:setFontSizeObj(16)
nextItem:setPosition(cc.p(VisibleRect:right().x - 100 , VisibleRect:right().y - 30))
local menu2 = cc.Menu:create(nextItem)
menu2:setPosition(cc.p(0, 0))
menu2:setAnchorPoint(cc.p(0, 0))
self:addChild(menu2)
--Simulate to dispatch 'come to background' event
local event = cc.EventCustom:new("event_come_to_background")
eventDispatcher:dispatchEvent(event)
end
local removeAllTouchItem = cc.MenuItemFont:create("Remove All Listeners")
removeAllTouchItem:registerScriptTapHandler(removeAllTouch)
removeAllTouchItem:setFontSizeObj(16)
removeAllTouchItem:setPosition(cc.p(VisibleRect:right().x - 100, VisibleRect:right().y))
local menu = cc.Menu:create(removeAllTouchItem)
menu:setPosition(cc.p(0, 0))
menu:setAnchorPoint(cc.p(0, 0))
self:addChild(menu)
end
function Issue4129Test:onExit()
if nil ~= self._customListener then
local eventDispatcher = self:getEventDispatcher()
eventDispatcher:removeEventListener(self._customListener)
end
end
function Issue4129Test.create()
local layer = Issue4129Test.extend(cc.Layer:create())
local function onNodeEvent(event)
if event == "enter" then
layer:onEnter()
elseif event == "exit" then
layer:onExit()
end
end
layer:createMenu()
layer:creatTitleAndSubTitle(curLayerIdx)
layer:registerScriptHandler(onNodeEvent)
return layer
end
local Issue4160Test = class("Issue4160Test",EventDispatcherTestDemo)
Issue4160Test._customListener = nil
function Issue4160Test.extend(target)
local t = tolua.getpeer(target)
if not t then
t = {}
tolua.setpeer(target, t)
end
setmetatable(t, Issue4160Test)
return target
end
function Issue4160Test:onEnter()
local origin = cc.Director:getInstance():getVisibleOrigin()
local size = cc.Director:getInstance():getVisibleSize()
local sprite1 = TouchableSpriteWithFixedPriority.create()
sprite1:setPriority(-30)
sprite1:setTexture("Images/CyanSquare.png")
sprite1:setPosition(cc.p(origin.x + size.width/2 - 80, origin.y + size.height/2 + 40))
self:addChild(sprite1, -10)
local sprite2 = TouchableSpriteWithFixedPriority.create()
sprite2:setPriority(-20)
sprite2:setTexture("Images/MagentaSquare.png")
sprite2:removeListenerOnTouchEnded(true)
sprite2:setPosition(cc.p(origin.x + size.width/2, origin.y + size.height/2))
self:addChild(sprite2, -20)
local sprite3 = TouchableSpriteWithFixedPriority.create()
sprite3:setPriority(-10)
sprite3:setTexture("Images/YellowSquare.png")
sprite3:setPosition(cc.p(0, 0))
sprite2:addChild(sprite3, -1)
end
function Issue4160Test:onExit()
end
function Issue4160Test.create()
local layer = Issue4160Test.extend(cc.Layer:create())
local function onNodeEvent(event)
if event == "enter" then
layer:onEnter()
elseif event == "exit" then
layer:onExit()
end
end
layer:createMenu()
layer:creatTitleAndSubTitle(curLayerIdx)
layer:registerScriptHandler(onNodeEvent)
return layer
end
local createFunction = local createFunction =
{ {
@ -981,6 +1510,11 @@ local createFunction =
SpriteAccelerationEventTest.create, SpriteAccelerationEventTest.create,
RemoveAndRetainNodeTest.create, RemoveAndRetainNodeTest.create,
RemoveListenerAfterAddingTest.create, RemoveListenerAfterAddingTest.create,
GlobalZTouchTest.create,
StopPropagationTest.create,
PauseResumeTargetTest.create,
Issue4129Test.create,
Issue4160Test.create,
} }
function nextEventDispatcherTest() function nextEventDispatcherTest()