CheckArguments

Tested Class:
public class DragHandle
{
private IGBCanvasService m_gbCanvasService;
private IEditorPaneControl m_iEditorPaneControl;
private Path m_dragHandle;
private Size m_dragHandleSize;
private double m_offsetX;
private double m_offsetY;
private Point m_downLeftTopPoint;

public void OnMouseMove(Point argPoint)
{
Point topLeftPoint = new Point(argPoint.X - this.m_offsetX,
argPoint.Y - this.m_offsetY);

Point topLeftToGridPoint = this.m_gbCanvasService.SnapToGrid(topLeftPoint,
this.m_dragHandleSize);

Point topLeftToPicturePoint = this.m_gbCanvasService.SnapToPicture(topLeftToGridPoint,
this.m_dragHandleSize);

if(this.m_dragHandle.Data == null)
{
this.m_iEditorPaneControl.LogMessage("The move is normally started.");

this.m_gbCanvasService.AddHandle(this.m_dragHandle);
}

this.m_dragHandle.Data = this.CreateDragGeometry(topLeftToPicturePoint,
this.m_dragHandleSize);
}

private RectangleGeometry CreateDragGeometry(Point argTopLeftPoint, Size argRectSize)
{
Rect dragRect = new Rect(argTopLeftPoint, argRectSize);

RectangleGeometry dragGeometry = new RectangleGeometry(dragRect);

return dragGeometry;
}
}

TestClass:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using NUnit.Framework;
using TypeMock;
using Com.Yamatake.J5.Screen.GraphicBuilder.BasicShapeComponents.Controls;
using System.Windows;
using Com.Yamatake.J5.Screen.GraphicBuilder.GBObjectInterface;
using System.Windows.Shapes;
using System.Windows.Media;
using Com.Yamatake.J5.Screen.GraphicBuilder.BasicShapeComponents.Views;

namespace NunitBasicShapeComponents
{
[TestFixture]
public class DragHandleTest
{
[SetUp]
public void Initialize()
{
MockManager.Init();
}

[TearDown]
public void Finish()
{
MockManager.Verify();
}


[Test]
public void OnMouseMoveTest1()
{
CrossThreadTestRunner runner = new CrossThreadTestRunner();
runner.RunInSTA(
delegate
{
DragHandle handle = new DragHandle();
ObjectState dragHandleObjectState = new ObjectState(handle);

MockObject gbCanvasMock = MockManager.MockObject(typeof(IGBCanvasService));
MockObject editorPaneControlMock = MockManager.MockObject(typeof(IEditorPaneControl));
Path dragPath = new Path();

dragHandleObjectState.SetField("m_offsetX", 10);
dragHandleObjectState.SetField("m_offsetY", 20);
dragHandleObjectState.SetField("m_dragHandleSize", new Size(40, 60));
dragHandleObjectState.SetField("m_gbCanvasService", (IGBCanvasService)gbCanvasMock.Object);
dragHandleObjectState.SetField("m_dragHandle", dragPath);
dragHandleObjectState.SetField("m_iEditorPaneControl", (IEditorPaneControl)editorPaneControlMock.Object);


gbCanvasMock.ExpectAndReturn("SnapToGrid", new Point(50, 90)).Args(new Point(50, 90), new Size(40, 60));
gbCanvasMock.ExpectAndReturn("SnapToPicture", new Point(50, 90)).Args(new Point(50, 90), new Size(40, 60));
editorPaneControlMock.ExpectCall("LogMessage").Args("The move is normally started.");
gbCanvasMock.ExpectCall("AddHandle").Args(dragPath);

handle.OnMouseMove(new Point(60, 110));

Rect dragRect = (Rect)((RectangleGeometry)dragPath.Data).Rect;
Assert.AreEqual(new Rect(50, 90, 40, 60), dragRect);
});
}

[Test]
public void OnMouseMoveTest2()
{
CrossThreadTestRunner runner = new CrossThreadTestRunner();
runner.RunInSTA(
delegate
{
IGBCanvasService gbCanvasMockObject = (IGBCanvasService)RecorderManager.CreateMockedObject(typeof(IGBCanvasService));
IEditorPaneControl editorPaneControlMockObject = (IEditorPaneControl)RecorderManager.CreateMockedObject(typeof(IEditorPaneControl));
Path dragPath = new Path();
dragPath.Data = new RectangleGeometry(new Rect(40, 80, 40, 60));

DragHandle handle = new DragHandle();
ObjectState dragHandleObjectState = new ObjectState(handle);

dragHandleObjectState.SetField("m_offsetX", 10);
dragHandleObjectState.SetField("m_offsetY", 20);
dragHandleObjectState.SetField("m_downLeftTopPoint", new Point(20, 30));
dragHandleObjectState.SetField("m_dragHandleSize", new Size(40, 60));
dragHandleObjectState.SetField("m_gbCanvasService", gbCanvasMockObject);
dragHandleObjectState.SetField("m_dragHandle", dragPath);
dragHandleObjectState.SetField("m_iEditorPaneControl", editorPaneControlMockObject);

using(RecordExpectations recorder = new RecordExpectations())
{
gbCanvasMockObject.SnapToGrid(new Point(50, 90), new Size(40, 60));
recorder.Return(new Point(50, 90)).CheckArguments();
gbCanvasMockObject.SnapToPicture(new Point(50, 90), new Size(40, 60));
recorder.Return(new Point(50, 90)).CheckArguments();
}

handle.OnMouseMove(new Point(60, 110));

Rect dragRect = (Rect)((RectangleGeometry)dragPath.Data).Rect;
Assert.AreEqual(new Rect(50, 90, 40, 60), dragRect);
});
}
}
}

OnMouseMoveTest1 is success,but OnMouseMoveTest2 is failed.
The error message is:
estCase 'NunitBasicShapeComponents.DragHandleTest.OnMouseMoveTest2'
failed: TypeMock.VerifyException :
TypeMock Verification: Call to Com.Yamatake.J5.Screen.GraphicBuilder.GBObjectInterface.IGBCanvasService.SnapToGrid() Parameter: 1
expected: <0>
but was: <50>
TearDown : System.Reflection.TargetInvocationException : ŒÄ‚Ñ