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using NUnit.Framework;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.TestTools;
using UnityEngine.UI;
public class InputModuleTests
{
EventSystem m_EventSystem;
FakeBaseInput m_FakeBaseInput;
StandaloneInputModule m_StandaloneInputModule;
Canvas m_Canvas;
Image m_Image;
Image m_NestedImage;
[SetUp]
public void TestSetup()
{
// Camera | Canvas (Image) | Event System
m_Canvas = new GameObject("Canvas").AddComponent<Canvas>();
m_Canvas.renderMode = RenderMode.ScreenSpaceOverlay;
m_Canvas.gameObject.AddComponent<GraphicRaycaster>();
m_Image = new GameObject("Image").AddComponent<Image>();
m_Image.gameObject.transform.SetParent(m_Canvas.transform);
RectTransform imageRectTransform = m_Image.GetComponent<RectTransform>();
imageRectTransform.sizeDelta = new Vector2(400f, 400f);
imageRectTransform.localPosition = Vector3.zero;
m_NestedImage = new GameObject("NestedImage").AddComponent<Image>();
m_NestedImage.gameObject.transform.SetParent(m_Image.transform);
RectTransform nestedImageRectTransform = m_NestedImage.GetComponent<RectTransform>();
nestedImageRectTransform.sizeDelta = new Vector2(200f, 200f);
nestedImageRectTransform.localPosition = Vector3.zero;
GameObject go = new GameObject("Event System");
m_EventSystem = go.AddComponent<EventSystem>();
m_EventSystem.pixelDragThreshold = 1;
m_StandaloneInputModule = go.AddComponent<StandaloneInputModule>();
m_FakeBaseInput = go.AddComponent<FakeBaseInput>();
// Override input with FakeBaseInput so we can send fake mouse/keyboards button presses and touches
m_StandaloneInputModule.inputOverride = m_FakeBaseInput;
Cursor.lockState = CursorLockMode.None;
}
[UnityTest]
public IEnumerator DragCallbacksDoGetCalled()
{
// While left mouse button is pressed and the mouse is moving, OnBeginDrag and OnDrag callbacks should be called
// Then when the left mouse button is released, OnEndDrag callback should be called
// Add script to EventSystem to update the mouse position
m_EventSystem.gameObject.AddComponent<MouseUpdate>();
// Add script to Image which implements OnBeginDrag, OnDrag & OnEndDrag callbacks
DragCallbackCheck callbackCheck = m_Image.gameObject.AddComponent<DragCallbackCheck>();
// Setting required input.mousePresent to fake mouse presence
m_FakeBaseInput.MousePresent = true;
var canvasRT = m_Canvas.gameObject.transform as RectTransform;
m_FakeBaseInput.MousePosition = new Vector2(Screen.width / 2, Screen.height / 2);
yield return null;
// Left mouse button down simulation
m_FakeBaseInput.MouseButtonDown[0] = true;
yield return null;
// Left mouse button down flag needs to reset in the next frame
m_FakeBaseInput.MouseButtonDown[0] = false;
yield return null;
// Left mouse button up simulation
m_FakeBaseInput.MouseButtonUp[0] = true;
yield return null;
// Left mouse button up flag needs to reset in the next frame
m_FakeBaseInput.MouseButtonUp[0] = false;
yield return null;
Assert.IsTrue(callbackCheck.onBeginDragCalled, "OnBeginDrag not called");
Assert.IsTrue(callbackCheck.onDragCalled, "OnDragCalled not called");
Assert.IsTrue(callbackCheck.onEndDragCalled, "OnEndDragCalled not called");
Assert.IsTrue(callbackCheck.onDropCalled, "OnDrop not called");
}
[UnityTest]
public IEnumerator MouseOutsideMaskRectTransform_WhileInsidePaddedArea_PerformsClick()
{
var mask = new GameObject("Panel").AddComponent<RectMask2D>();
mask.gameObject.transform.SetParent(m_Canvas.transform);
RectTransform panelRectTransform = mask.GetComponent<RectTransform>();
panelRectTransform.sizeDelta = new Vector2(100, 100f);
panelRectTransform.localPosition = Vector3.zero;
m_Image.gameObject.transform.SetParent(mask.transform, true);
mask.padding = new Vector4(-30, -30, -30, -30);
PointerClickCallbackCheck callbackCheck = m_Image.gameObject.AddComponent<PointerClickCallbackCheck>();
var canvasRT = m_Canvas.gameObject.transform as RectTransform;
var screenMiddle = new Vector2(Screen.width / 2, Screen.height / 2);
m_FakeBaseInput.MousePresent = true;
m_FakeBaseInput.MousePosition = screenMiddle;
yield return null;
// Click the center of the screen should hit the middle of the image.
m_FakeBaseInput.MouseButtonDown[0] = true;
yield return null;
m_FakeBaseInput.MouseButtonDown[0] = false;
yield return null;
m_FakeBaseInput.MouseButtonUp[0] = true;
yield return null;
m_FakeBaseInput.MouseButtonUp[0] = false;
yield return null;
Assert.IsTrue(callbackCheck.pointerDown);
//Reset the callbackcheck and click outside the mask but still in the image.
callbackCheck.pointerDown = false;
m_FakeBaseInput.MousePosition = new Vector2(screenMiddle.x - 60, screenMiddle.y);
yield return null;
m_FakeBaseInput.MouseButtonDown[0] = true;
yield return null;
m_FakeBaseInput.MouseButtonDown[0] = false;
yield return null;
m_FakeBaseInput.MouseButtonUp[0] = true;
yield return null;
m_FakeBaseInput.MouseButtonUp[0] = false;
yield return null;
Assert.IsTrue(callbackCheck.pointerDown);
//Reset the callbackcheck and click outside the mask and outside in the image.
callbackCheck.pointerDown = false;
m_FakeBaseInput.MousePosition = new Vector2(screenMiddle.x - 100, screenMiddle.y);
yield return null;
m_FakeBaseInput.MouseButtonDown[0] = true;
yield return null;
m_FakeBaseInput.MouseButtonDown[0] = false;
yield return null;
m_FakeBaseInput.MouseButtonUp[0] = true;
yield return null;
m_FakeBaseInput.MouseButtonUp[0] = false;
yield return null;
Assert.IsFalse(callbackCheck.pointerDown);
}
[UnityTest]
public IEnumerator PointerEnterChildShouldNotFullyExit_NotSendPointerEventToParent()
{
m_StandaloneInputModule.sendPointerHoverToParent = false;
PointerExitCallbackCheck callbackCheck = m_Image.gameObject.AddComponent<PointerExitCallbackCheck>();
m_NestedImage.gameObject.AddComponent<PointerExitCallbackCheck>();
var screenMiddle = new Vector2(Screen.width / 2, Screen.height / 2);
m_FakeBaseInput.MousePresent = true;
m_FakeBaseInput.MousePosition = screenMiddle - new Vector2(150, 150);
yield return null;
m_FakeBaseInput.MousePosition = screenMiddle;
yield return null;
Assert.IsTrue(callbackCheck.pointerData.fullyExited == false);
}
[UnityTest]
public IEnumerator PointerEnterChildShouldNotExit_SendPointerEventToParent()
{
m_StandaloneInputModule.sendPointerHoverToParent = true;
PointerExitCallbackCheck callbackCheck = m_Image.gameObject.AddComponent<PointerExitCallbackCheck>();
m_NestedImage.gameObject.AddComponent<PointerExitCallbackCheck>();
var screenMiddle = new Vector2(Screen.width / 2, Screen.height / 2);
m_FakeBaseInput.MousePresent = true;
m_FakeBaseInput.MousePosition = screenMiddle - new Vector2(150, 150);
yield return null;
m_FakeBaseInput.MousePosition = screenMiddle;
yield return null;
Assert.IsTrue(callbackCheck.pointerData == null);
}
[UnityTest]
public IEnumerator PointerEnterChildShouldNotReenter()
{
PointerEnterCallbackCheck callbackCheck = m_NestedImage.gameObject.AddComponent<PointerEnterCallbackCheck>();
var screenMiddle = new Vector2(Screen.width / 2, Screen.height / 2);
m_FakeBaseInput.MousePresent = true;
m_FakeBaseInput.MousePosition = screenMiddle - new Vector2(150, 150);
yield return null;
m_FakeBaseInput.MousePosition = screenMiddle;
yield return null;
Assert.IsTrue(callbackCheck.pointerData.reentered == false);
}
[UnityTest]
public IEnumerator PointerExitChildShouldReenter_NotSendPointerEventToParent()
{
m_StandaloneInputModule.sendPointerHoverToParent = false;
PointerEnterCallbackCheck callbackCheck = m_Image.gameObject.AddComponent<PointerEnterCallbackCheck>();
var screenMiddle = new Vector2(Screen.width / 2, Screen.height / 2);
m_FakeBaseInput.MousePresent = true;
m_FakeBaseInput.MousePosition = screenMiddle - new Vector2(150, 150);
yield return null;
m_FakeBaseInput.MousePosition = screenMiddle;
yield return null;
m_FakeBaseInput.MousePosition = screenMiddle - new Vector2(150, 150);
yield return null;
Assert.IsTrue(callbackCheck.pointerData.reentered == true);
}
[UnityTest]
public IEnumerator PointerExitChildShouldNotSendEnter_SendPointerEventToParent()
{
m_StandaloneInputModule.sendPointerHoverToParent = true;
m_NestedImage.gameObject.AddComponent<PointerEnterCallbackCheck>();
var screenMiddle = new Vector2(Screen.width / 2, Screen.height / 2);
m_FakeBaseInput.MousePresent = true;
m_FakeBaseInput.MousePosition = screenMiddle;
yield return null;
PointerEnterCallbackCheck callbackCheck = m_Image.gameObject.AddComponent<PointerEnterCallbackCheck>();
m_FakeBaseInput.MousePosition = screenMiddle - new Vector2(150, 150);
yield return null;
Assert.IsTrue(callbackCheck.pointerData == null);
}
[UnityTest]
public IEnumerator PointerExitChildShouldFullyExit()
{
PointerExitCallbackCheck callbackCheck = m_NestedImage.gameObject.AddComponent<PointerExitCallbackCheck>();
var screenMiddle = new Vector2(Screen.width / 2, Screen.height / 2);
m_FakeBaseInput.MousePresent = true;
m_FakeBaseInput.MousePosition = screenMiddle - new Vector2(150, 150);
yield return null;
m_FakeBaseInput.MousePosition = screenMiddle;
yield return null;
m_FakeBaseInput.MousePosition = screenMiddle - new Vector2(150, 150);
yield return null;
Assert.IsTrue(callbackCheck.pointerData.fullyExited == true);
}
[TearDown]
public void TearDown()
{
GameObject.DestroyImmediate(m_EventSystem.gameObject);
GameObject.DestroyImmediate(m_Canvas.gameObject);
}
}
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